RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy9329
(102 letters)
>gnl|CDD|200467 cd11328, AmyAc_maltase, Alpha amylase catalytic domain found in
maltase (also known as alpha glucosidase) and related
proteins. Maltase (EC 3.2.1.20) hydrolyzes the
terminal, non-reducing (1->4)-linked alpha-D-glucose
residues in maltose, releasing alpha-D-glucose. In most
cases, maltase is equivalent to alpha-glucosidase, but
the term "maltase" emphasizes the disaccharide nature of
the substrate from which glucose is cleaved, and the
term "alpha-glucosidase" emphasizes the bond, whether
the substrate is a disaccharide or polysaccharide. The
Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 470
Score = 175 bits (447), Expect = 9e-55
Identities = 62/94 (65%), Positives = 74/94 (78%), Gaps = 1/94 (1%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIV-NGKRQPPNNWLSCFGGSA 59
+K++LDFVPNH+S+EH WF KSV + PY DYY+W D K NG R PPNNWLS FGGSA
Sbjct: 92 LKVILDFVPNHSSDEHEWFQKSVKRDEPYKDYYVWHDGKNNDNGTRVPPNNWLSVFGGSA 151
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
W WN++RQQYY H FA++QPDLNYR VV+EMK
Sbjct: 152 WTWNEERQQYYLHQFAVKQPDLNYRNPKVVEEMK 185
>gnl|CDD|200494 cd11359, AmyAc_SLC3A1, Alpha amylase catalytic domain found in
Solute Carrier family 3 member 1 proteins. SLC3A1, also
called Neutral and basic amino acid transport protein
rBAT or NBAT, plays a role in amino acid and cystine
absorption. Mutations in the gene encoding SLC3A1 causes
cystinuria, an autosomal recessive disorder
characterized by the failure of proximal tubules to
reabsorb filtered cystine and dibasic amino acids. The
Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 456
Score = 145 bits (367), Expect = 4e-43
Identities = 52/93 (55%), Positives = 65/93 (69%), Gaps = 1/93 (1%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSAW 60
MKL++DFVPNHTS++H WF S + +PYTDYYIW D +G PPNNW+S FG SAW
Sbjct: 90 MKLIMDFVPNHTSDKHEWFQLSRNSTNPYTDYYIWADCT-ADGPGTPPNNWVSVFGNSAW 148
Query: 61 EWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
E+++KR Q Y H F +QPDLN+R V EM
Sbjct: 149 EYDEKRNQCYLHQFLKEQPDLNFRNPDVQQEMD 181
>gnl|CDD|200472 cd11333, AmyAc_SI_OligoGlu_DGase, Alpha amylase catalytic domain
found in Sucrose isomerases, oligo-1,6-glucosidase (also
called isomaltase; sucrase-isomaltase; alpha-limit
dextrinase), dextran glucosidase (also called glucan
1,6-alpha-glucosidase), and related proteins. The
sucrose isomerases (SIs) Isomaltulose synthase (EC
5.4.99.11) and Trehalose synthase (EC 5.4.99.16)
catalyze the isomerization of sucrose and maltose to
produce isomaltulose and trehalulose, respectively.
Oligo-1,6-glucosidase (EC 3.2.1.10) hydrolyzes the
alpha-1,6-glucosidic linkage of
isomaltooligosaccharides, pannose, and dextran. Unlike
alpha-1,4-glucosidases (EC 3.2.1.20), it fails to
hydrolyze the alpha-1,4-glucosidic bonds of
maltosaccharides. Dextran glucosidase (DGase, EC
3.2.1.70) hydrolyzes alpha-1,6-glucosidic linkages at
the non-reducing end of panose, isomaltooligosaccharides
and dextran to produce alpha-glucose.The common reaction
chemistry of the alpha-amylase family enzymes is based
on a two-step acid catalytic mechanism that requires two
critical carboxylates: one acting as a general acid/base
(Glu) and the other as a nucleophile (Asp). Both
hydrolysis and transglycosylation proceed via the
nucleophilic substitution reaction between the anomeric
carbon, C1 and a nucleophile. Both enzymes contain the
three catalytic residues (Asp, Glu and Asp) common to
the alpha-amylase family as well as two histidine
residues which are predicted to be critical to binding
the glucose residue adjacent to the scissile bond in the
substrates. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues performs catalysis. Other members of this
family have lost the catalytic activity as in the case
of the human 4F2hc, or only have 2 residues that serve
as the catalytic nucleophile and the acid/base, such as
Thermus A4 beta-galactosidase with 2 Glu residues (GH42)
and human alpha-galactosidase with 2 Asp residues
(GH31). The family members are quite extensive and
include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 428
Score = 144 bits (366), Expect = 4e-43
Identities = 48/93 (51%), Positives = 64/93 (68%), Gaps = 5/93 (5%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSV-DKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSA 59
+K+++D V NHTS+EHPWF +S + +PY DYYIW+D K +PPNNW S FGGSA
Sbjct: 87 IKIIMDLVVNHTSDEHPWFQESRSSRDNPYRDYYIWRDGK----DGKPPNNWRSFFGGSA 142
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEM 92
WE++ + QYY H FA +QPDLN+ V E+
Sbjct: 143 WEYDPETGQYYLHLFAKEQPDLNWENPEVRQEI 175
>gnl|CDD|200470 cd11331, AmyAc_OligoGlu_like, Alpha amylase catalytic domain found
in oligo-1,6-glucosidase (also called isomaltase;
sucrase-isomaltase; alpha-limit dextrinase) and related
proteins. Oligo-1,6-glucosidase (EC 3.2.1.10)
hydrolyzes the alpha-1,6-glucosidic linkage of
isomalto-oligosaccharides, pannose, and dextran. Unlike
alpha-1,4-glucosidases (EC 3.2.1.20), it fails to
hydrolyze the alpha-1,4-glucosidic bonds of
maltosaccharides. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues (Asp, Glu and Asp) performs catalysis. Other
members of this family have lost the catalytic activity
as in the case of the human 4F2hc, or only have 2
residues that serve as the catalytic nucleophile and the
acid/base, such as Thermus A4 beta-galactosidase with 2
Glu residues (GH42) and human alpha-galactosidase with 2
Asp residues (GH31). The family members are quite
extensive and include: alpha amylase,
maltosyltransferase, cyclodextrin glycotransferase,
maltogenic amylase, neopullulanase, isoamylase,
1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 450
Score = 134 bits (340), Expect = 3e-39
Identities = 49/93 (52%), Positives = 65/93 (69%), Gaps = 4/93 (4%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKS-VDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSA 59
+K++LDFVPNHTS++HPWF++S + +P D+YIW+D G PPNNW S FGGSA
Sbjct: 90 LKVILDFVPNHTSDQHPWFLESRSSRDNPKRDWYIWRDPAPDGG---PPNNWRSEFGGSA 146
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEM 92
W W+++ QYY HAF +QPDLN+R V M
Sbjct: 147 WTWDERTGQYYLHAFLPEQPDLNWRNPEVRAAM 179
>gnl|CDD|200469 cd11330, AmyAc_OligoGlu, Alpha amylase catalytic domain found in
oligo-1,6-glucosidase (also called isomaltase;
sucrase-isomaltase; alpha-limit dextrinase) and related
proteins. Oligo-1,6-glucosidase (EC 3.2.1.10)
hydrolyzes the alpha-1,6-glucosidic linkage of
isomalto-oligosaccharides, pannose, and dextran. Unlike
alpha-1,4-glucosidases (EC 3.2.1.20), it fails to
hydrolyze the alpha-1,4-glucosidic bonds of
maltosaccharides. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues (Asp, Glu and Asp) performs catalysis. Other
members of this family have lost the catalytic activity
as in the case of the human 4F2hc, or only have 2
residues that serve as the catalytic nucleophile and the
acid/base, such as Thermus A4 beta-galactosidase with 2
Glu residues (GH42) and human alpha-galactosidase with 2
Asp residues (GH31). The family members are quite
extensive and include: alpha amylase,
maltosyltransferase, cyclodextrin glycotransferase,
maltogenic amylase, neopullulanase, isoamylase,
1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 472
Score = 125 bits (317), Expect = 1e-35
Identities = 45/93 (48%), Positives = 63/93 (67%), Gaps = 4/93 (4%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKS-VDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSA 59
+K+++D V +HTS++HPWF +S + +P D+Y+W D K +G PPNNWLS FGGSA
Sbjct: 90 LKVMIDQVLSHTSDQHPWFEESRQSRDNPKADWYVWADPKP-DGS--PPNNWLSVFGGSA 146
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEM 92
W+W+ +R QYY H F QPDLN+ V D +
Sbjct: 147 WQWDPRRGQYYLHNFLPSQPDLNFHNPEVQDAL 179
>gnl|CDD|200468 cd11329, AmyAc_maltase-like, Alpha amylase catalytic domain family
found in maltase. Maltase (EC 3.2.1.20) hydrolyzes the
terminal, non-reducing (1->4)-linked alpha-D-glucose
residues in maltose, releasing alpha-D-glucose. The
catalytic triad (DED) which is highly conserved in the
other maltase group is not present in this subfamily.
The Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 477
Score = 120 bits (302), Expect = 1e-33
Identities = 48/93 (51%), Positives = 58/93 (62%), Gaps = 5/93 (5%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSAW 60
+K++LD PNH+S +HP F SV K PY ++W D K PPNNWLS GGSAW
Sbjct: 129 IKVILDLTPNHSSKQHPLFKDSVLKEPPYRSAFVWADGK----GHTPPNNWLSVTGGSAW 184
Query: 61 EWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
+W + R QYY H F QPDLN AVVDE+K
Sbjct: 185 KWVEDR-QYYLHQFGPDQPDLNLNNPAVVDELK 216
>gnl|CDD|182849 PRK10933, PRK10933, trehalose-6-phosphate hydrolase; Provisional.
Length = 551
Score = 114 bits (287), Expect = 3e-31
Identities = 44/93 (47%), Positives = 62/93 (66%), Gaps = 4/93 (4%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSAW 60
++++LD V NHTS +H WF ++++K PY +YIW+D + PPNNW S FGGSAW
Sbjct: 95 IRIILDMVFNHTSTQHAWFREALNKESPYRQFYIWRDGE----PETPPNNWRSKFGGSAW 150
Query: 61 EWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
W+ + +QYY H FA +Q DLN+ AV E+K
Sbjct: 151 RWHAESEQYYLHLFAPEQADLNWENPAVRAELK 183
>gnl|CDD|233851 TIGR02403, trehalose_treC, alpha,alpha-phosphotrehalase. Trehalose
is a glucose disaccharide that serves in many biological
systems as a compatible solute for protection against
hyperosmotic and thermal stress. This family describes
trehalose-6-phosphate hydrolase, product of the treC (or
treA) gene, which is often found together with a
trehalose uptake transporter and a trehalose operon
repressor.
Length = 543
Score = 101 bits (254), Expect = 1e-26
Identities = 45/93 (48%), Positives = 57/93 (61%), Gaps = 5/93 (5%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSAW 60
+K++LD V NHTS EH WF K++ PY D+YIW+D K +PP NW S FGGSAW
Sbjct: 89 IKIMLDMVFNHTSTEHEWFKKALAGDSPYRDFYIWRD-----PKGKPPTNWQSKFGGSAW 143
Query: 61 EWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
E+ QYY H F Q DLN+ V +E+K
Sbjct: 144 EYFGDTGQYYLHLFDKTQADLNWENPEVREELK 176
>gnl|CDD|215737 pfam00128, Alpha-amylase, Alpha amylase, catalytic domain. Alpha
amylase is classified as family 13 of the glycosyl
hydrolases. The structure is an 8 stranded alpha/beta
barrel containing the active site, interrupted by a ~70
a.a. calcium-binding domain protruding between beta
strand 3 and alpha helix 3, and a carboxyl-terminal
Greek key beta-barrel domain.
Length = 314
Score = 96.6 bits (241), Expect = 1e-25
Identities = 44/100 (44%), Positives = 58/100 (58%), Gaps = 12/100 (12%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSV-DKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSA 59
+K++LD VPNHTS+EH WF +S K +PY DYYIW+ PPNNW+S FGGSA
Sbjct: 66 IKVILDLVPNHTSDEHAWFQESRSSKDNPYRDYYIWRI-------YSPPNNWISYFGGSA 118
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMKVRALKY 99
W ++ Q F + PDLN V E+K +K+
Sbjct: 119 WSDDEDGQYL----FLVSLPDLNTENPEVRKELKDWVVKF 154
>gnl|CDD|200471 cd11332, AmyAc_OligoGlu_TS, Alpha amylase catalytic domain found in
oligo-1,6-glucosidase (also called isomaltase;
sucrase-isomaltase; alpha-limit dextrinase), trehalose
synthase (also called maltose
alpha-D-glucosyltransferase), and related proteins.
Oligo-1,6-glucosidase (EC 3.2.1.10) hydrolyzes the
alpha-1,6-glucosidic linkage of
isomaltooligosaccharides, pannose, and dextran. Unlike
alpha-1,4-glucosidases (EC 3.2.1.20), it fails to
hydrolyze the alpha-1,4-glucosidic bonds of
maltosaccharides. Trehalose synthase (EC 5.4.99.16)
catalyzes the isomerization of maltose to produce
trehalulose. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues (Asp, Glu and Asp) performs catalysis. Other
members of this family have lost the catalytic activity
as in the case of the human 4F2hc, or only have 2
residues that serve as the catalytic nucleophile and the
acid/base, such as Thermus A4 beta-galactosidase with 2
Glu residues (GH42) and human alpha-galactosidase with 2
Asp residues (GH31). The family members are quite
extensive and include: alpha amylase,
maltosyltransferase, cyclodextrin glycotransferase,
maltogenic amylase, neopullulanase, isoamylase,
1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 481
Score = 93.1 bits (232), Expect = 1e-23
Identities = 39/97 (40%), Positives = 57/97 (58%), Gaps = 7/97 (7%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSV--DKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGS 58
+++++D VPNHTS++HPWF ++ P YI++D + +G+ PPNNW S FGG
Sbjct: 90 LRVIVDIVPNHTSDQHPWFQAALAAGPGSPERARYIFRDGRGPDGE-LPPNNWQSVFGGP 148
Query: 59 AWEWNDKRQ----QYYYHAFAIQQPDLNYRFQAVVDE 91
AW + Q+Y H FA +QPDLN+ V E
Sbjct: 149 AWTRVTEPDGTDGQWYLHLFAPEQPDLNWDNPEVRAE 185
>gnl|CDD|200455 cd11316, AmyAc_bac2_AmyA, Alpha amylase catalytic domain found in
bacterial Alpha-amylases (also called
1,4-alpha-D-glucan-4-glucanohydrolase). AmyA (EC
3.2.1.1) catalyzes the hydrolysis of alpha-(1,4)
glycosidic linkages of glycogen, starch, related
polysaccharides, and some oligosaccharides. This group
includes Chloroflexi, Dictyoglomi, and Fusobacteria. The
Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 403
Score = 91.1 bits (227), Expect = 3e-23
Identities = 37/100 (37%), Positives = 50/100 (50%), Gaps = 12/100 (12%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSV-DKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSA 59
+K+++D V NHTS+EHPWF ++ PY DYYIW S +GG+
Sbjct: 84 IKVIIDLVINHTSSEHPWFQEAASSPDSPYRDYYIW---------ADDDPGGWSSWGGNV 134
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMKVRALKY 99
W YYY AF PDLN AV +E+K + K+
Sbjct: 135 WHKAGDG-GYYYGAFWSGMPDLNLDNPAVREEIK-KIAKF 172
>gnl|CDD|200473 cd11334, AmyAc_TreS, Alpha amylase catalytic domain found in
Trehalose synthetase. Trehalose synthetase (TreS)
catalyzes the reversible interconversion of trehalose
and maltose. The enzyme catalyzes the reaction in both
directions, but the preferred substrate is maltose.
Glucose is formed as a by-product of this reaction. It
is believed that the catalytic mechanism may involve the
cutting of the incoming disaccharide and transfer of a
glucose to an enzyme-bound glucose. This enzyme also
catalyzes production of a glucosamine disaccharide from
maltose and glucosamine. The Alpha-amylase family
comprises the largest family of glycoside hydrolases
(GH), with the majority of enzymes acting on starch,
glycogen, and related oligo- and polysaccharides. These
proteins catalyze the transformation of alpha-1,4 and
alpha-1,6 glucosidic linkages with retention of the
anomeric center. The protein is described as having 3
domains: A, B, C. A is a (beta/alpha) 8-barrel; B is a
loop between the beta 3 strand and alpha 3 helix of A; C
is the C-terminal extension characterized by a Greek
key. The majority of the enzymes have an active site
cleft found between domains A and B where a triad of
catalytic residues (Asp, Glu and Asp) performs
catalysis. Other members of this family have lost the
catalytic activity as in the case of the human 4F2hc, or
only have 2 residues that serve as the catalytic
nucleophile and the acid/base, such as Thermus A4
beta-galactosidase with 2 Glu residues (GH42) and human
alpha-galactosidase with 2 Asp residues (GH31). The
family members are quite extensive and include: alpha
amylase, maltosyltransferase, cyclodextrin
glycotransferase, maltogenic amylase, neopullulanase,
isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 447
Score = 88.8 bits (221), Expect = 3e-22
Identities = 34/96 (35%), Positives = 51/96 (53%), Gaps = 8/96 (8%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKS-VDKIHPYTDYYIWKDAKIVNGKRQP--PNNWLSCFGG 57
+++++D V NHTS++HPWF + D PY DYY+W D + P+
Sbjct: 89 IRVIIDLVVNHTSDQHPWFQAARRDPDSPYRDYYVWSDTPPKYKDARIIFPD-----VEK 143
Query: 58 SAWEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
S W W++ YY+H F QPDLN+ AV +E+
Sbjct: 144 SNWTWDEVAGAYYWHRFYSHQPDLNFDNPAVREEIL 179
>gnl|CDD|223443 COG0366, AmyA, Glycosidases [Carbohydrate transport and
metabolism].
Length = 505
Score = 81.2 bits (200), Expect = 2e-19
Identities = 42/95 (44%), Positives = 55/95 (57%), Gaps = 6/95 (6%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYT--DYYIWKDAKIVNGKRQPPNNWLSCFGGS 58
+K++LD V NHTS+EHPWF ++ DYYIW+D PPNNW S FGG
Sbjct: 91 IKVILDLVFNHTSDEHPWFKEARSSKPNPKRSDYYIWRDPD---PDGTPPNNWFSVFGGD 147
Query: 59 AWEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
AW W +YY H F+ +QPDLN+ V +E+
Sbjct: 148 AWTW-GNTGEYYLHLFSSEQPDLNWENPEVREELL 181
>gnl|CDD|233874 TIGR02456, treS_nterm, trehalose synthase. Trehalose synthase
interconverts maltose and alpha, alpha-trehalose by
transglucosylation. This is one of at least three
mechanisms for biosynthesis of trehalose, an important
and widespread compatible solute. However, it is not
driven by phosphate activation of sugars and its
physiological role may tend toward trehalose
degradation. This view is accentuated by numerous
examples of fusion to a probable maltokinase domain. The
sequence region described by this model is found both as
the whole of a trehalose synthase and as the N-terminal
region of a larger fusion protein that includes
trehalose synthase activity. Several of these fused
trehalose synthases have a domain homologous to proteins
with maltokinase activity from Actinoplanes
missouriensis and Streptomyces coelicolor
(PMID:15378530) [Energy metabolism, Biosynthesis and
degradation of polysaccharides].
Length = 539
Score = 79.8 bits (197), Expect = 5e-19
Identities = 33/95 (34%), Positives = 51/95 (53%), Gaps = 6/95 (6%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIH-PYTDYYIWKDAKIVNGKRQPPNNWLSC-FGGS 58
M++++D V NHTS++HPWF ++ PY D+Y+W D ++ + S
Sbjct: 90 MRVIIDLVLNHTSDQHPWFQEARSNPDGPYRDFYVWSD----TDEKYKDTRIIFVDTEKS 145
Query: 59 AWEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMK 93
W ++ +QYY+H F QPDLNY AV D +
Sbjct: 146 NWTFDPVAKQYYWHRFFSHQPDLNYDNPAVHDAVH 180
>gnl|CDD|200486 cd11348, AmyAc_2, Alpha amylase catalytic domain found in an
uncharacterized protein family. The Alpha-amylase
family comprises the largest family of glycoside
hydrolases (GH), with the majority of enzymes acting on
starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The catalytic triad (DED) is not
present here. The family members are quite extensive and
include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 429
Score = 60.0 bits (146), Expect = 5e-12
Identities = 37/111 (33%), Positives = 48/111 (43%), Gaps = 29/111 (26%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSV-DKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSA 59
+ ++LD VP HTS+EHPWF +S + + Y+D YIW D+ G P GG A
Sbjct: 84 IHVLLDLVPGHTSDEHPWFKESKKAENNEYSDRYIWTDSIWSGGPGLP------FVGGEA 137
Query: 60 WEWNDKRQQYYYHAFAIQQPDLNYRF-----------------QAVVDEMK 93
+R Y F QP LNY F QA + MK
Sbjct: 138 -----ERNGNYIVNFFSCQPALNYGFAHPPTEPWQQPVDAPGPQATREAMK 183
>gnl|CDD|200452 cd11313, AmyAc_arch_bac_AmyA, Alpha amylase catalytic domain found
in archaeal and bacterial Alpha-amylases (also called
1,4-alpha-D-glucan-4-glucanohydrolase). AmyA (EC
3.2.1.1) catalyzes the hydrolysis of alpha-(1,4)
glycosidic linkages of glycogen, starch, related
polysaccharides, and some oligosaccharides. This group
includes firmicutes, bacteroidetes, and proteobacteria.
The Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 336
Score = 51.4 bits (124), Expect = 5e-09
Identities = 24/99 (24%), Positives = 40/99 (40%), Gaps = 35/99 (35%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCFGGSAW 60
MK++LD+V NHT+ +HP + HP ++Y+ +G +
Sbjct: 90 MKVILDWVANHTAWDHPLVEE-----HP--EWYLRDS----DGNITNKV----------F 128
Query: 61 EWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEMKVRALKY 99
+W D DL+Y + D M + A+KY
Sbjct: 129 DWTD-------------VADLDYSNPELRDYM-IDAMKY 153
>gnl|CDD|200463 cd11324, AmyAc_Amylosucrase, Alpha amylase catalytic domain found
in Amylosucrase. Amylosucrase is a glucosyltransferase
that catalyzes the transfer of a D-glucopyranosyl moiety
from sucrose onto an acceptor molecule. When the
acceptor is another saccharide, only alpha-1,4 linkages
are produced. Unlike most amylopolysaccharide synthases,
it does not require any alpha-D-glucosyl nucleoside
diphosphate substrate. In the presence of glycogen it
catalyzes the transfer of a D-glucose moiety onto a
glycogen branch, but in its absence, it hydrolyzes
sucrose and synthesizes polymers, smaller
maltosaccharides, and sucrose isoforms. The
Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 536
Score = 49.1 bits (118), Expect = 4e-08
Identities = 31/113 (27%), Positives = 48/113 (42%), Gaps = 37/113 (32%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYY-IWKDAKIVNGKRQPPNNWLSCFGGSA 59
+ LVLDFV NHT++EH W K+ Y DYY ++ D + + A
Sbjct: 150 ISLVLDFVLNHTADEHEWAQKARAGDPEYQDYYYMFPDRTLPD----------------A 193
Query: 60 WE----------------WNDKRQQYYYHAFAIQQPDLNYR----FQAVVDEM 92
+E W+++ ++ + F Q DLNY F ++DEM
Sbjct: 194 YERTLPEVFPDTAPGNFTWDEEMGKWVWTTFNPFQWDLNYANPAVFNEMLDEM 246
>gnl|CDD|200477 cd11338, AmyAc_CMD, Alpha amylase catalytic domain found in
cyclomaltodextrinases and related proteins.
Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase
(NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC
3.2.1.133) catalyze the hydrolysis of alpha-(1,4)
glycosidic linkages on a number of substrates including
cyclomaltodextrins (CDs), pullulan, and starch. These
enzymes hydrolyze CDs and starch to maltose and pullulan
to panose by cleavage of alpha-1,4 glycosidic bonds
whereas alpha-amylases essentially lack activity on CDs
and pullulan. They also catalyze transglycosylation of
oligosaccharides to the C3-, C4- or C6-hydroxyl groups
of various acceptor sugar molecules. Since these
proteins are nearly indistinguishable from each other,
they are referred to as cyclomaltodextrinases (CMDs).
The Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 389
Score = 42.1 bits (100), Expect = 9e-06
Identities = 14/58 (24%), Positives = 26/58 (44%), Gaps = 4/58 (6%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDK--IHPYTDYYIWKDAKIVNGKRQPPNNWLSCFG 56
++++LD V NHT ++ P+F + Y D++ P N+ S +G
Sbjct: 117 IRVILDGVFNHTGDDSPYFQDVLKYGESSAYQDWFSIYYFW--PYFTDEPPNYESWWG 172
>gnl|CDD|236759 PRK10785, PRK10785, maltodextrin glucosidase; Provisional.
Length = 598
Score = 40.4 bits (95), Expect = 4e-05
Identities = 13/19 (68%), Positives = 15/19 (78%)
Query: 1 MKLVLDFVPNHTSNEHPWF 19
M+LVLD V NHT + HPWF
Sbjct: 240 MRLVLDGVFNHTGDSHPWF 258
>gnl|CDD|200485 cd11347, AmyAc_1, Alpha amylase catalytic domain found in an
uncharacterized protein family. The Alpha-amylase
family comprises the largest family of glycoside
hydrolases (GH), with the majority of enzymes acting on
starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 391
Score = 39.5 bits (93), Expect = 6e-05
Identities = 16/34 (47%), Positives = 23/34 (67%), Gaps = 7/34 (20%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYI 34
+KL+LDFVPNH + +HPW + HP +Y+I
Sbjct: 116 LKLMLDFVPNHVALDHPWVEE-----HP--EYFI 142
>gnl|CDD|200481 cd11343, AmyAc_Sucrose_phosphorylase-like, Alpha amylase catalytic
domain found in sucrose phosphorylase (also called
sucrose glucosyltransferase, disaccharide
glucosyltransferase, and sucrose-phosphate alpha-D
glucosyltransferase). Sucrose phosphorylase is a
bacterial enzyme that catalyzes the phosphorolysis of
sucrose to yield glucose-1-phosphate and fructose. These
enzymes do not have the conserved calcium ion present in
other alpha amylase family enzymes. The Alpha-amylase
family comprises the largest family of glycoside
hydrolases (GH), with the majority of enzymes acting on
starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 445
Score = 37.5 bits (88), Expect = 4e-04
Identities = 28/96 (29%), Positives = 40/96 (41%), Gaps = 14/96 (14%)
Query: 2 KLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKD-----AKIVNGKRQPPNNWLSCFG 56
L+ D V NH S++ PWF + P DY+I D +K+V + P G
Sbjct: 79 DLMFDLVINHISSQSPWFQDFLAGGDPSKDYFIEADPEEDLSKVVRPRTSPLLTEFETAG 138
Query: 57 GSAWEWNDKRQQYYYHAFAIQQPDLNYRFQAVVDEM 92
G+ W F+ Q DLN+R V+ E
Sbjct: 139 GTKHVWT---------TFSEDQIDLNFRNPEVLLEF 165
>gnl|CDD|200493 cd11356, AmyAc_Sucrose_phosphorylase-like_1, Alpha amylase
catalytic domain found in sucrose phosphorylase-like
proteins (also called sucrose glucosyltransferase,
disaccharide glucosyltransferase, and sucrose-phosphate
alpha-D glucosyltransferase). Sucrose phosphorylase is
a bacterial enzyme that catalyzes the phosphorolysis of
sucrose to yield glucose-1-phosphate and fructose. These
enzymes do not have the conserved calcium ion present in
other alpha amylase family enzymes. The Alpha-amylase
family comprises the largest family of glycoside
hydrolases (GH), with the majority of enzymes acting on
starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 458
Score = 36.3 bits (85), Expect = 8e-04
Identities = 14/33 (42%), Positives = 20/33 (60%)
Query: 2 KLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYI 34
+L+ D V NH S+ PWF + + PY DY+I
Sbjct: 81 RLMFDLVINHVSSSSPWFQQFLAGEPPYKDYFI 113
>gnl|CDD|200479 cd11340, AmyAc_bac_CMD_like_3, Alpha amylase catalytic domain found
in bacterial cyclomaltodextrinases and related proteins.
Cyclomaltodextrinase (CDase; EC3.2.1.54),
neopullulanase (NPase; EC 3.2.1.135), and maltogenic
amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of
alpha-(1,4) glycosidic linkages on a number of
substrates including cyclomaltodextrins (CDs), pullulan,
and starch. These enzymes hydrolyze CDs and starch to
maltose and pullulan to panose by cleavage of alpha-1,4
glycosidic bonds whereas alpha-amylases essentially lack
activity on CDs and pullulan. They also catalyze
transglycosylation of oligosaccharides to the C3-, C4-
or C6-hydroxyl groups of various acceptor sugar
molecules. Since these proteins are nearly
indistinguishable from each other, they are referred to
as cyclomaltodextrinases (CMDs). This group of CMDs is
bacterial. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues (Asp, Glu and Asp) performs catalysis. Other
members of this family have lost the catalytic activity
as in the case of the human 4F2hc, or only have 2
residues that serve as the catalytic nucleophile and the
acid/base, such as Thermus A4 beta-galactosidase with 2
Glu residues (GH42) and human alpha-galactosidase with 2
Asp residues (GH31). The family members are quite
extensive and include: alpha amylase,
maltosyltransferase, cyclodextrin glycotransferase,
maltogenic amylase, neopullulanase, isoamylase,
1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 407
Score = 34.5 bits (80), Expect = 0.004
Identities = 11/19 (57%), Positives = 14/19 (73%)
Query: 1 MKLVLDFVPNHTSNEHPWF 19
MKL++D VPNH +EH W
Sbjct: 110 MKLIMDMVPNHCGSEHWWM 128
>gnl|CDD|185035 PRK15076, PRK15076, alpha-galactosidase; Provisional.
Length = 431
Score = 31.0 bits (71), Expect = 0.082
Identities = 10/32 (31%), Positives = 15/32 (46%), Gaps = 10/32 (31%)
Query: 13 SNEH-----PWFIKS-----VDKIHPYTDYYI 34
S+EH PWFIK +++ + D Y
Sbjct: 247 SSEHFAEYVPWFIKPGRPDLIERFNIPLDEYP 278
>gnl|CDD|200459 cd11320, AmyAc_AmyMalt_CGTase_like, Alpha amylase catalytic domain
found in maltogenic amylases, cyclodextrin
glycosyltransferase, and related proteins. Enzymes such
as amylases, cyclomaltodextrinase (CDase), and
cyclodextrin glycosyltransferase (CGTase) degrade starch
to smaller oligosaccharides by hydrolyzing the
alpha-D-(1,4) linkages between glucose residues. In the
case of CGTases, an additional cyclization reaction is
catalyzed yielding mixtures of cyclic oligosaccharides
which are referred to as alpha-, beta-, or
gamma-cyclodextrins (CDs), consisting of six, seven, or
eight glucose residues, respectively. CGTases are
characterized depending on the major product of the
cyclization reaction. Besides having similar catalytic
site residues, amylases and CGTases contain carbohydrate
binding domains that are distant from the active site
and are implicated in attaching the enzyme to raw starch
granules and in guiding the amylose chain into the
active site. The maltogenic alpha-amylase from Bacillus
is a five-domain structure, unlike most alpha-amylases,
but similar to that of cyclodextrin glycosyltransferase.
In addition to the A, B, and C domains, they have a
domain D and a starch-binding domain E. Maltogenic
amylase is an endo-acting amylase that has activity on
cyclodextrins, terminally modified linear maltodextrins,
and amylose. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues (Asp, Glu and Asp) performs catalysis. Other
members of this family have lost the catalytic activity
as in the case of the human 4F2hc, or only have 2
residues that serve as the catalytic nucleophile and the
acid/base, such as Thermus A4 beta-galactosidase with 2
Glu residues (GH42) and human alpha-galactosidase with 2
Asp residues (GH31). The family members are quite
extensive and include: alpha amylase,
maltosyltransferase, cyclodextrin glycotransferase,
maltogenic amylase, neopullulanase, isoamylase,
1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 389
Score = 30.7 bits (70), Expect = 0.097
Identities = 8/13 (61%), Positives = 13/13 (100%)
Query: 1 MKLVLDFVPNHTS 13
+K+++DFVPNH+S
Sbjct: 118 IKVIIDFVPNHSS 130
>gnl|CDD|200475 cd11336, AmyAc_MTSase, Alpha amylase catalytic domain found in
maltooligosyl trehalose synthase (MTSase).
Maltooligosyl trehalose synthase (MTSase) domain.
MTSase and maltooligosyl trehalose trehalohydrolase
(MTHase) work together to produce trehalose. MTSase is
responsible for converting the alpha-1,4-glucosidic
linkage to an alpha,alpha-1,1-glucosidic linkage at the
reducing end of the maltooligosaccharide through an
intramolecular transglucosylation reaction, while
MTHase hydrolyzes the penultimate alpha-1,4 linkage of
the reducing end, resulting in the release of
trehalose. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains:
A, B, C. A is a (beta/alpha) 8-barrel; B is a loop
between the beta 3 strand and alpha 3 helix of A; C is
the C-terminal extension characterized by a Greek key.
The majority of the enzymes have an active site cleft
found between domains A and B where a triad of
catalytic residues (Asp, Glu and Asp) performs
catalysis. Other members of this family have lost the
catalytic activity as in the case of the human 4F2hc,
or only have 2 residues that serve as the catalytic
nucleophile and the acid/base, such as Thermus A4
beta-galactosidase with 2 Glu residues (GH42) and human
alpha-galactosidase with 2 Asp residues (GH31). The
family members are quite extensive and include: alpha
amylase, maltosyltransferase, cyclodextrin
glycotransferase, maltogenic amylase, neopullulanase,
isoamylase, 1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 660
Score = 29.8 bits (68), Expect = 0.19
Identities = 8/11 (72%), Positives = 9/11 (81%)
Query: 1 MKLVLDFVPNH 11
M L+LD VPNH
Sbjct: 77 MGLILDIVPNH 87
>gnl|CDD|214758 smart00642, Aamy, Alpha-amylase domain.
Length = 166
Score = 29.2 bits (66), Expect = 0.24
Identities = 8/14 (57%), Positives = 12/14 (85%)
Query: 1 MKLVLDFVPNHTSN 14
+K++LD V NHTS+
Sbjct: 84 IKVILDVVINHTSD 97
>gnl|CDD|237740 PRK14511, PRK14511, maltooligosyl trehalose synthase; Provisional.
Length = 879
Score = 28.8 bits (65), Expect = 0.51
Identities = 9/18 (50%), Positives = 11/18 (61%)
Query: 1 MKLVLDFVPNHTSNEHPW 18
M L+LD VPNH + P
Sbjct: 83 MGLILDIVPNHMAVGGPD 100
>gnl|CDD|233849 TIGR02401, trehalose_TreY, malto-oligosyltrehalose synthase. This
enzyme, formally named (1->4)-alpha-D-glucan
1-alpha-D-glucosylmutase, is the TreY enzyme of the
TreYZ pathway of trehalose biosynthesis, an alternative
to the OtsAB pathway. Trehalose may be incorporated into
more complex compounds but is best known as compatible
solute. It is one of the most effective osmoprotectants,
and unlike the various betaines does not require
nitrogen for its synthesis [Energy metabolism,
Biosynthesis and degradation of polysaccharides].
Length = 825
Score = 28.1 bits (63), Expect = 0.66
Identities = 12/39 (30%), Positives = 18/39 (46%), Gaps = 2/39 (5%)
Query: 1 MKLVLDFVPNH--TSNEHPWFIKSVDKIHPYTDYYIWKD 37
+ L++D VPNH E + V K P + Y + D
Sbjct: 79 LGLIVDIVPNHMAVHLEQNPWWWDVLKNGPSSAYAEYFD 117
>gnl|CDD|225082 COG2171, DapD, Tetrahydrodipicolinate N-succinyltransferase [Amino
acid transport and metabolism].
Length = 271
Score = 28.0 bits (63), Expect = 0.69
Identities = 11/44 (25%), Positives = 19/44 (43%), Gaps = 2/44 (4%)
Query: 4 VLDFVPNHTSNEHPWFIK--SVDKIHPYTDYYIWKDAKIVNGKR 45
L+ + ++ K SVDK DY++ + +IV G
Sbjct: 73 DLELLEAGRLRIRGYYDKVDSVDKAPRMLDYFVPEGVRIVPGAI 116
>gnl|CDD|115977 pfam07354, Sp38, Zona-pellucida-binding protein (Sp38). This
family contains a number of zona-pellucida-binding
proteins that seem to be restricted to mammals. These
are sperm proteins that bind to the 90-kDa family of
zona pellucida glycoproteins in a calcium-dependent
manner. These represent some of the specific molecules
that mediate the first steps of gamete interaction,
allowing fertilisation to occur.
Length = 271
Score = 27.9 bits (62), Expect = 0.78
Identities = 9/30 (30%), Positives = 14/30 (46%)
Query: 58 SAWEWNDKRQQYYYHAFAIQQPDLNYRFQA 87
E DKR Y + +A ++PD Y+
Sbjct: 64 ETQEEVDKRLTYKFMVYAYREPDYYYQMTV 93
>gnl|CDD|200478 cd11339, AmyAc_bac_CMD_like_2, Alpha amylase catalytic domain found
in bacterial cyclomaltodextrinases and related proteins.
Cyclomaltodextrinase (CDase; EC3.2.1.54),
neopullulanase (NPase; EC 3.2.1.135), and maltogenic
amylase (MA; EC 3.2.1.133) catalyze the hydrolysis of
alpha-(1,4) glycosidic linkages on a number of
substrates including cyclomaltodextrins (CDs), pullulan,
and starch. These enzymes hydrolyze CDs and starch to
maltose and pullulan to panose by cleavage of alpha-1,4
glycosidic bonds whereas alpha-amylases essentially lack
activity on CDs and pullulan. They also catalyze
transglycosylation of oligosaccharides to the C3-, C4-
or C6-hydroxyl groups of various acceptor sugar
molecules. Since these proteins are nearly
indistinguishable from each other, they are referred to
as cyclomaltodextrinases (CMDs). This group of CMDs is
bacterial. The Alpha-amylase family comprises the
largest family of glycoside hydrolases (GH), with the
majority of enzymes acting on starch, glycogen, and
related oligo- and polysaccharides. These proteins
catalyze the transformation of alpha-1,4 and alpha-1,6
glucosidic linkages with retention of the anomeric
center. The protein is described as having 3 domains: A,
B, C. A is a (beta/alpha) 8-barrel; B is a loop between
the beta 3 strand and alpha 3 helix of A; C is the
C-terminal extension characterized by a Greek key. The
majority of the enzymes have an active site cleft found
between domains A and B where a triad of catalytic
residues (Asp, Glu and Asp) performs catalysis. Other
members of this family have lost the catalytic activity
as in the case of the human 4F2hc, or only have 2
residues that serve as the catalytic nucleophile and the
acid/base, such as Thermus A4 beta-galactosidase with 2
Glu residues (GH42) and human alpha-galactosidase with 2
Asp residues (GH31). The family members are quite
extensive and include: alpha amylase,
maltosyltransferase, cyclodextrin glycotransferase,
maltogenic amylase, neopullulanase, isoamylase,
1,4-alpha-D-glucan maltotetrahydrolase,
4-alpha-glucotransferase, oligo-1,6-glucosidase,
amylosucrase, sucrose phosphorylase, and amylomaltase.
Length = 344
Score = 28.0 bits (63), Expect = 0.78
Identities = 9/20 (45%), Positives = 14/20 (70%), Gaps = 3/20 (15%)
Query: 1 MKLVLDFVPNHTSN---EHP 17
+K++LD V NHT + E+P
Sbjct: 113 IKVILDIVVNHTGDLNTENP 132
>gnl|CDD|200487 cd11349, AmyAc_3, Alpha amylase catalytic domain found in an
uncharacterized protein family. The Alpha-amylase
family comprises the largest family of glycoside
hydrolases (GH), with the majority of enzymes acting on
starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 456
Score = 28.0 bits (63), Expect = 0.89
Identities = 10/31 (32%), Positives = 17/31 (54%), Gaps = 4/31 (12%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTD 31
+K+++DFVPNH + ++ S K D
Sbjct: 121 LKVIIDFVPNHVARQY----HSDAKPEGVKD 147
>gnl|CDD|200476 cd11337, AmyAc_CMD_like, Alpha amylase catalytic domain found in
cyclomaltodextrinases and related proteins.
Cyclomaltodextrinase (CDase; EC3.2.1.54), neopullulanase
(NPase; EC 3.2.1.135), and maltogenic amylase (MA; EC
3.2.1.133) catalyze the hydrolysis of alpha-(1,4)
glycosidic linkages on a number of substrates including
cyclomaltodextrins (CDs), pullulan, and starch. These
enzymes hydrolyze CDs and starch to maltose and pullulan
to panose by cleavage of alpha-1,4 glycosidic bonds
whereas alpha-amylases essentially lack activity on CDs
and pullulan. They also catalyze transglycosylation of
oligosaccharides to the C3-, C4- or C6-hydroxyl groups
of various acceptor sugar molecules. Since these
proteins are nearly indistinguishable from each other,
they are referred to as cyclomaltodextrinases (CMDs).
This group of CMDs is mainly bacterial. The
Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 328
Score = 27.9 bits (63), Expect = 0.96
Identities = 7/18 (38%), Positives = 11/18 (61%)
Query: 1 MKLVLDFVPNHTSNEHPW 18
+++VLD V NH + W
Sbjct: 88 IRVVLDGVFNHVGRDFFW 105
>gnl|CDD|185362 PRK15465, pabB, aminodeoxychorismate synthase subunit I;
Provisional.
Length = 453
Score = 27.2 bits (60), Expect = 1.7
Identities = 13/39 (33%), Positives = 17/39 (43%), Gaps = 9/39 (23%)
Query: 58 SAWEWNDKRQQY---------YYHAFAIQQPDLNYRFQA 87
S W+ N R+QY Y H+ Q +L RF A
Sbjct: 182 SDWQSNMTREQYGEKFRQVQEYLHSGDCYQVNLAQRFHA 220
>gnl|CDD|200451 cd00551, AmyAc_family, Alpha amylase catalytic domain family. The
Alpha-amylase family comprises the largest family of
glycoside hydrolases (GH), with the majority of enzymes
acting on starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; and C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost this catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
residues (GH31). The family members are quite extensive
and include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 260
Score = 26.8 bits (59), Expect = 2.0
Identities = 10/38 (26%), Positives = 16/38 (42%), Gaps = 1/38 (2%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDA 38
+K++LD V NH W + VD ++ K
Sbjct: 90 IKVILDLVFNHDILRF-WLDEGVDGFRLDAAKHVPKPE 126
>gnl|CDD|233729 TIGR02103, pullul_strch, alpha-1,6-glucosidases, pullulanase-type.
Members of this protein family include secreted (or
membrane-anchored) pullulanases of Gram-negative
bacteria and pullulanase-type starch debranching enzymes
of plants. Both enzymes hydrolyze alpha-1,6 glycosidic
linkages. Pullulan is an unusual, industrially important
polysaccharide in which short alpha-1,4 chains
(maltotriose) are connected in alpha-1,6 linkages.
Enzymes that cleave alpha-1,6 linkages in pullulan and
release maltotriose are called pullulanases although
pullulan itself may not be the natural substrate. This
family is closely homologous to, but architecturally
different from, the Gram-positive pullulanases of
Gram-positive bacteria (TIGR02102) [Energy metabolism,
Biosynthesis and degradation of polysaccharides].
Length = 898
Score = 26.7 bits (59), Expect = 2.1
Identities = 15/36 (41%), Positives = 20/36 (55%), Gaps = 8/36 (22%)
Query: 1 MKLVLDFVPNHT--SNEHPWFIKSV-DKIHPYTDYY 33
+ +V+D V NHT S + +SV DKI P YY
Sbjct: 418 LNVVMDVVYNHTNASGPND---RSVLDKIVPG--YY 448
>gnl|CDD|237737 PRK14507, PRK14507, putative bifunctional
4-alpha-glucanotransferase/malto-oligosyltrehalose
synthase; Provisional.
Length = 1693
Score = 26.6 bits (59), Expect = 2.5
Identities = 8/21 (38%), Positives = 12/21 (57%), Gaps = 3/21 (14%)
Query: 1 MKLVLDFVPNH---TSNEHPW 18
+ +LD VPNH ++PW
Sbjct: 821 LGQLLDIVPNHMGVGGADNPW 841
>gnl|CDD|221100 pfam11380, DUF3184, Protein of unknown function (DUF3184). This
eukaryotic family of proteins has no known function.
Length = 629
Score = 26.4 bits (58), Expect = 2.7
Identities = 12/42 (28%), Positives = 24/42 (57%), Gaps = 5/42 (11%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYT--DYYIWKDAKI 40
M+L +D +HT + W ++++ +H Y DY++ +D I
Sbjct: 82 MRLTVD---SHTIEQQLWRVRNMTPVHVYMNDDYFVNRDVAI 120
>gnl|CDD|225819 COG3280, TreY, Maltooligosyl trehalose synthase [Carbohydrate
transport and metabolism].
Length = 889
Score = 25.9 bits (57), Expect = 4.2
Identities = 9/38 (23%), Positives = 16/38 (42%), Gaps = 5/38 (13%)
Query: 1 MKLVLDFVPNH--TSNEHPWFIKSV---DKIHPYTDYY 33
+ L++D VPNH + V + Y +Y+
Sbjct: 82 LGLIVDIVPNHMAVGGHENPWWWDVLENGRDSAYANYF 119
>gnl|CDD|200488 cd11350, AmyAc_4, Alpha amylase catalytic domain found in an
uncharacterized protein family. The Alpha-amylase
family comprises the largest family of glycoside
hydrolases (GH), with the majority of enzymes acting on
starch, glycogen, and related oligo- and
polysaccharides. These proteins catalyze the
transformation of alpha-1,4 and alpha-1,6 glucosidic
linkages with retention of the anomeric center. The
protein is described as having 3 domains: A, B, C. A is
a (beta/alpha) 8-barrel; B is a loop between the beta 3
strand and alpha 3 helix of A; C is the C-terminal
extension characterized by a Greek key. The majority of
the enzymes have an active site cleft found between
domains A and B where a triad of catalytic residues
(Asp, Glu and Asp) performs catalysis. Other members of
this family have lost the catalytic activity as in the
case of the human 4F2hc, or only have 2 residues that
serve as the catalytic nucleophile and the acid/base,
such as Thermus A4 beta-galactosidase with 2 Glu
residues (GH42) and human alpha-galactosidase with 2 Asp
(GH31). The family members are quite extensive and
include: alpha amylase, maltosyltransferase,
cyclodextrin glycotransferase, maltogenic amylase,
neopullulanase, isoamylase, 1,4-alpha-D-glucan
maltotetrahydrolase, 4-alpha-glucotransferase,
oligo-1,6-glucosidase, amylosucrase, sucrose
phosphorylase, and amylomaltase.
Length = 390
Score = 25.7 bits (57), Expect = 4.5
Identities = 10/55 (18%), Positives = 14/55 (25%), Gaps = 4/55 (7%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSVDKIHPYTDYYIWKDAKIVNGKRQPPNNWLSCF 55
+ ++LD V NH + P Y D N F
Sbjct: 96 IAVILDVVYNHAEGQSPL----ARLYWDYWYNPPPADPPWFNVWGPHFYYVGYDF 146
>gnl|CDD|215474 PLN02877, PLN02877, alpha-amylase/limit dextrinase.
Length = 970
Score = 25.9 bits (57), Expect = 5.3
Identities = 15/34 (44%), Positives = 20/34 (58%), Gaps = 3/34 (8%)
Query: 1 MKLVLDFVPNHTSNEHPWFIKSV-DKIHPYTDYY 33
+++VLD V NH + P+ SV DKI P YY
Sbjct: 480 LRVVLDVVYNHLHSSGPFDENSVLDKIVP--GYY 511
>gnl|CDD|205288 pfam13107, DUF3964, Protein of unknown function (DUF3964). This
family of proteins is functionally uncharacterized.
This family of proteins is found in bacteria. Proteins
in this family are approximately 110 amino acids in
length. There are two conserved sequence motifs: FYF
and AFW.
Length = 109
Score = 24.8 bits (54), Expect = 7.7
Identities = 8/15 (53%), Positives = 11/15 (73%)
Query: 82 NYRFQAVVDEMKVRA 96
NY++QA DE K +A
Sbjct: 72 NYKYQAFADEAKAKA 86
>gnl|CDD|163564 TIGR03852, sucrose_gtfA, sucrose phosphorylase. In the forward
direction, this enzyme uses phosphate to cleave sucrose
into D-fructose + alpha-D-glucose 1-phosphate.
Characterized representatives from Streptococcus mutans
and Bifidobacterium adolescentis represent
well-separated branches of a molecular phylogenetic
tree. In S. mutans, the region including this gene has
been associated with neighboring transporter genes and
multiple sugar metabolism.
Length = 470
Score = 25.1 bits (55), Expect = 9.2
Identities = 13/39 (33%), Positives = 21/39 (53%), Gaps = 5/39 (12%)
Query: 3 LVLDFVPNHTSNEHPW---FIKSVDKIHPYTDYYI-WKD 37
L+ DF+ NH S + + F++ D Y D +I +KD
Sbjct: 75 LMFDFMINHISRQSEYYQDFLEKKDN-SKYKDLFIRYKD 112
>gnl|CDD|233451 TIGR01531, glyc_debranch, glycogen debranching enzymye. glycogen
debranching enzyme possesses two different catalytic
activities; oligo-1,4-->1,4-glucantransferase (EC
2.4.1.25) and amylo-1,6-glucosidase (EC 3.2.1.33). Site
directed mutagenesis studies in S. cerevisiae indicate
that the transferase and glucosidase activities are
independent and located in different regions of the
polypeptide chain. Proteins in this model belong to the
larger alpha-amylase family. The model covers eukaryotic
proteins with a seed composed of human, nematode and
yeast sequences. Yeast seed sequence is well
characterized. The model is quite rigorous; either query
sequence yields large bit score or it fails to hit the
model altogether. There doesn't appear to be any middle
ground [Energy metabolism, Biosynthesis and degradation
of polysaccharides].
Length = 1464
Score = 25.2 bits (55), Expect = 9.3
Identities = 11/29 (37%), Positives = 15/29 (51%), Gaps = 5/29 (17%)
Query: 4 VLDFVPNHTSNEHPWFIKSVDKIHPYTDY 32
+ D V NHT+N PW ++ HP Y
Sbjct: 202 ITDIVFNHTANNSPWLLE-----HPEAAY 225
>gnl|CDD|235346 PRK05111, PRK05111, acetylornithine deacetylase; Provisional.
Length = 383
Score = 24.8 bits (55), Expect = 9.7
Identities = 6/17 (35%), Positives = 11/17 (64%)
Query: 66 RQQYYYHAFAIQQPDLN 82
+++Y+ AF + P LN
Sbjct: 223 QERYHNPAFTVPYPTLN 239
Database: CDD.v3.10
Posted date: Mar 20, 2013 7:55 AM
Number of letters in database: 10,937,602
Number of sequences in database: 44,354
Lambda K H
0.321 0.136 0.465
Gapped
Lambda K H
0.267 0.0720 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 5,388,741
Number of extensions: 435381
Number of successful extensions: 398
Number of sequences better than 10.0: 1
Number of HSP's gapped: 368
Number of HSP's successfully gapped: 61
Length of query: 102
Length of database: 10,937,602
Length adjustment: 68
Effective length of query: 34
Effective length of database: 7,921,530
Effective search space: 269332020
Effective search space used: 269332020
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 16 ( 7.4 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 41 (21.9 bits)
S2: 53 (24.2 bits)