RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy13035
(293 letters)
>gnl|CDD|224316 COG1398, OLE1, Fatty-acid desaturase [Lipid metabolism].
Length = 289
Score = 135 bits (342), Expect = 5e-38
Identities = 63/209 (30%), Positives = 95/209 (45%), Gaps = 14/209 (6%)
Query: 47 WSIVWRNVLAFAYLHLGASYAVYLMFFN--QVQLKTILYRE----GVTAGAHRLWAHRTY 100
+ W NVL F + A A Y FF+ + T+ Y G+T G HRLW+HR +
Sbjct: 16 YPYHWNNVLFFIGPLIVAYLAFYPDFFSWLAELIFTLAYYLIGGIGITLGLHRLWSHRAF 75
Query: 101 SAKWPLRLILMLANSMAFQNHLYEWVRDHRVHHKFTDTDADPH-NSRRGFFFSHMGWLMV 159
A L +L ++ Q EWV HR HH+ TDTD DPH +S +GF++SH+GW+++
Sbjct: 76 KAHKWLEYVLAFWGALTTQGPAIEWVGIHRKHHRKTDTDQDPHYDSFKGFWWSHIGWMLL 135
Query: 160 RKHPDVKRRGATVDLSDLEKDWVVMFQKKYYLILMPICCFLIPPLIPWYFWSEKWTNAWY 219
+ L KD + +Q + ++ + ++P I +
Sbjct: 136 YS----AEAKDRETIQKLGKDIPLDWQHRNLYLIALLMQIVLPLFIGYALGG---WLGLI 188
Query: 220 VCALLRYTVSLHGTWLVNSAAHIWGMRKF 248
+ R + H TW VNS H G R F
Sbjct: 189 WGGVQRLVLVQHATWCVNSLGHYIGYRPF 217
>gnl|CDD|239582 cd03505, Delta9-FADS-like, The Delta9 Fatty Acid Desaturase
(Delta9-FADS)-like CD includes the delta-9 and delta-11
acyl CoA desaturases found in various eukaryotes
including vertebrates, insects, higher plants, and
fungi. The delta-9 acyl-lipid desaturases are found in a
wide range of bacteria. These enzymes play essential
roles in fatty acid metabolism and the regulation of
cell membrane fluidity. Acyl-CoA desaturases are the
enzymes involved in the CoA-bound desaturation of fatty
acids. Mammalian stearoyl-CoA delta-9 desaturase is a
key enzyme in the biosynthesis of monounsaturated fatty
acids, and in yeast, the delta-9 acyl-CoA desaturase
(OLE1) reaction accounts for all de nova unsaturated
fatty acid production in Saccharomyces cerevisiae. These
non-heme, iron-containing, ER membrane-bound enzymes are
part of a three-component enzyme system involving
cytochrome b5, cytochrome b5 reductase, and the delta-9
fatty acid desaturase. This complex catalyzes the NADH-
and oxygen-dependent insertion of a cis double bond
between carbons 9 and 10 of the saturated fatty acyl
substrates, palmitoyl (16:0)-CoA or stearoyl (18:0)-CoA,
yielding the monoenoic products palmitoleic (16:l) or
oleic (18:l) acids, respectively. In cyanobacteria, the
biosynthesis of unsaturated fatty acids is initiated by
delta 9 acyl-lipid desaturase (DesC) which introduces
the first double bond at the delta-9 position of a
saturated fatty acid that has been esterified to a
glycerolipid. This domain family has extensive
hydrophobic regions that would be capable of spanning
the membrane bilayer at least twice. Comparison of
sequences also reveals the existence of three regions of
conserved histidine cluster motifs that contain the
residues: HXXXXH, HXXHH, and H/QXXHH. These histidine
residues are reported to be catalytically essential and
proposed to be the ligands for the iron atoms contained
within the rat stearoyl CoA delta-9 desaturase. Some
eukaryotic (Fungi, Euglenozoa, Mycetozoa, Rhodophyta)
desaturase domains have an adjacent C-terminal
cytochrome b5-like domain.
Length = 178
Score = 126 bits (320), Expect = 6e-36
Identities = 41/74 (55%), Positives = 55/74 (74%)
Query: 86 GVTAGAHRLWAHRTYSAKWPLRLILMLANSMAFQNHLYEWVRDHRVHHKFTDTDADPHNS 145
G+TAG HRLWAHR++ A PLR+ L + S+A Q WV DHR+HH+++DTD DPH+
Sbjct: 18 GITAGYHRLWAHRSFKAPKPLRIFLAILGSLAGQGSPLWWVADHRLHHRYSDTDGDPHSP 77
Query: 146 RRGFFFSHMGWLMV 159
+RGF+FSH+GWL
Sbjct: 78 KRGFWFSHVGWLGG 91
Score = 43.7 bits (104), Expect = 2e-05
Identities = 16/31 (51%), Positives = 21/31 (67%)
Query: 218 WYVCALLRYTVSLHGTWLVNSAAHIWGMRKF 248
++ LLR + LH TWLVNS AH+WG R +
Sbjct: 87 GWLGGLLRIVLVLHATWLVNSLAHMWGYRPY 117
>gnl|CDD|177866 PLN02220, PLN02220, delta-9 acyl-lipid desaturase.
Length = 299
Score = 83.7 bits (207), Expect = 1e-18
Identities = 53/162 (32%), Positives = 79/162 (48%), Gaps = 11/162 (6%)
Query: 86 GVTAGAHRLWAHRTYS-AKWPLRLILMLANSMAFQNHLYEWVRDHRVHHKFTDTDADPHN 144
+T HR AHR++ KW L + A Q +WV HR HH+FTD+D DPH+
Sbjct: 71 SITFSYHRNLAHRSFKLPKW-LEYPFAYSALFALQGDPIDWVSTHRFHHQFTDSDRDPHS 129
Query: 145 SRRGFFFSHMGWLMVRKHPDVKRRGATVDLSDLEKDWVVMFQKKYYLILMPICCFLIPPL 204
GF+FSH+ W+ + ++ G ++ DL++ W F +K + + + L+
Sbjct: 130 PIEGFWFSHVLWIFDTSYI-REKCGGRDNVMDLKQQWFYRFLRKTIGLHILMFWTLL--- 185
Query: 205 IPWYFWSEKWTNAWYVCALLRYTVSLHGTWLVNSAAHIWGMR 246
Y W W V + + H TWL+NSA HIWG R
Sbjct: 186 ---YLWGGLPYLTWGVG--VGGAIGYHVTWLINSACHIWGSR 222
>gnl|CDD|238511 cd01060, Membrane-FADS-like, The membrane fatty acid desaturase
(Membrane_FADS)-like CD includes membrane FADSs, alkane
hydroxylases, beta carotene ketolases (CrtW-like),
hydroxylases (CrtR-like), and other related proteins.
They are present in all groups of organisms with the
exception of archaea. Membrane FADSs are non-heme,
iron-containing, oxygen-dependent enzymes involved in
regioselective introduction of double bonds in fatty
acyl aliphatic chains. They play an important role in
the maintenance of the proper structure and functioning
of biological membranes. Alkane hydroxylases are
bacterial, integral-membrane di-iron enzymes that share
a requirement for iron and oxygen for activity similar
to that of membrane FADSs, and are involved in the
initial oxidation of inactivated alkanes. Beta-carotene
ketolase and beta-carotene hydroxylase are carotenoid
biosynthetic enzymes for astaxanthin and zeaxanthin,
respectively. This superfamily domain has extensive
hydrophobic regions that would be capable of spanning
the membrane bilayer at least twice. Comparison of these
sequences also reveals three regions of conserved
histidine cluster motifs that contain eight histidine
residues: HXXX(X)H, HXX(X)HH, and HXXHH (an additional
conserved histidine residue is seen between clusters 2
and 3). Spectroscopic and genetic evidence point to a
nitrogen-rich coordination environment located in the
cytoplasm with as many as eight histidines coordinating
the two iron ions and a carboxylate residue bridging the
two metals in the Pseudomonas oleovorans alkane
hydroxylase (AlkB). In addition, the eight histidine
residues are reported to be catalytically essential and
proposed to be the ligands for the iron atoms contained
within the rat stearoyl CoA delta-9 desaturase.
Length = 122
Score = 52.5 bits (126), Expect = 8e-09
Identities = 28/92 (30%), Positives = 41/92 (44%), Gaps = 8/92 (8%)
Query: 86 GVTAGAHRLWAHRTYS-AKWPLRLILMLANSMAFQNHLYEWVRDHRVHHKFTDTD-ADPH 143
G+T AH L HR++ ++W RL+ L +A W R HR HH++T+T DP
Sbjct: 14 GLTVLAHEL-GHRSFFRSRWLNRLLGALLG-LALGGSYGWWRRSHRRHHRYTNTPGKDPD 71
Query: 144 NSRRGFFFSHMGWLMVRKHPDVKRRGATVDLS 175
++ + H G R T D S
Sbjct: 72 SAV--NYLEHYG--GDRPFDTDGEWLRTTDNS 99
>gnl|CDD|215943 pfam00487, FA_desaturase, Fatty acid desaturase.
Length = 251
Score = 34.2 bits (78), Expect = 0.052
Identities = 15/73 (20%), Positives = 22/73 (30%), Gaps = 1/73 (1%)
Query: 81 ILYREGVTAGAHRLWAHRTYSAKWPLRLILMLANSMAFQNHLYEWVRDHRVHHKFTDT-D 139
G+ G AH L +L ++ W H HH T+
Sbjct: 13 AGLLLGILGGLAHEAAHGALFRSRRLNDLLGRLLALLLGISYSAWRISHLRHHHHTNNPG 72
Query: 140 ADPHNSRRGFFFS 152
DP ++RR
Sbjct: 73 KDPDSARRRLLRY 85
>gnl|CDD|216002 pfam00578, AhpC-TSA, AhpC/TSA family. This family contains
proteins related to alkyl hydroperoxide reductase (AhpC)
and thiol specific antioxidant (TSA).
Length = 124
Score = 28.7 bits (65), Expect = 1.7
Identities = 9/17 (52%), Positives = 11/17 (64%)
Query: 169 GATVDLSDLEKDWVVMF 185
G V LSD + WVV+F
Sbjct: 15 GKEVSLSDYKGKWVVLF 31
>gnl|CDD|239590 cd03513, CrtW_beta-carotene-ketolase, Beta-carotene
ketolase/oxygenase (CrtW, also known as CrtO), the
carotenoid astaxanthin biosynthetic enzyme, initially
catalyzes the addition of two keto groups to carbons C4
and C4' of beta-carotene. Carotenoids are important
natural pigments produced by many microorganisms and
plants. Astaxanthin is reported to be an antioxidant, an
anti-cancer agent, and an immune system stimulant. A
number of bacteria and green algae can convert
beta-carotene into astaxanthin by using several
ketocarotenoids as intermediates and CrtW and a
beta-carotene hydroxylase (CrtZ). CrtW initially
converts beta-carotene to canthaxanthin via echinenone,
and CrtZ initially mediates the conversion of
beta-carotene to zeaxanthin via beta-cryptoxanthin.
After a few more intermediates are formed, CrtW and CrtZ
act in combination to produce astaxanthin. Sequences of
this domain family appear to be structurally related to
membrane fatty acid desaturases and alkane hydroxylases.
They all share in common extensive hydrophobic regions
that are capable of spanning the membrane bilayer at
least twice. Comparison of these sequences also reveals
three regions of conserved histidine cluster motifs that
contain eight histidine residues: HXXXH, HXXHH, and
HXXHH. These histidine residues are reported to be
catalytically essential and proposed to be the ligands
for the iron atoms contained within homologs, stearoyl
CoA desaturase and alkane hydroxylase.
Length = 225
Score = 28.8 bits (65), Expect = 3.1
Identities = 11/43 (25%), Positives = 17/43 (39%), Gaps = 10/43 (23%)
Query: 127 RDHRVHHKFTDTDADP-----HNSR-----RGFFFSHMGWLMV 159
R H +HH+ T DP + S F ++ GW +
Sbjct: 87 RKHHLHHRHPGTAKDPDFHKGNPSGFLPWYLHFMSNYFGWRQL 129
>gnl|CDD|201600 pfam01110, CNTF, Ciliary neurotrophic factor.
Length = 200
Score = 27.7 bits (61), Expect = 6.1
Identities = 20/59 (33%), Positives = 27/59 (45%), Gaps = 6/59 (10%)
Query: 85 EGVTAGAHRLWAHRTYSAKWPLRLILMLANSMAFQNHLYEWVRDHRVHHKFTDTDADPH 143
+G+ A WA T + RL+ LA AF L + + D + H F DTDAD
Sbjct: 55 DGMPTAATDQWAELTEAE----RLLDNLAAYRAFHTLLAQLLEDQQEH--FGDTDADFG 107
>gnl|CDD|235751 PRK06241, PRK06241, phosphoenolpyruvate synthase; Validated.
Length = 871
Score = 27.5 bits (62), Expect = 9.1
Identities = 11/26 (42%), Positives = 13/26 (50%), Gaps = 1/26 (3%)
Query: 250 QTMQTLSQSNTLEL-ELSRQISQELG 274
Q QTL+ LEL L R+I G
Sbjct: 264 QKSQTLTDEQILELARLGRKIEAHFG 289
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
0.325 0.136 0.462
Gapped
Lambda K H
0.267 0.0640 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 15,224,192
Number of extensions: 1423973
Number of successful extensions: 1646
Number of sequences better than 10.0: 1
Number of HSP's gapped: 1639
Number of HSP's successfully gapped: 26
Length of query: 293
Length of database: 10,937,602
Length adjustment: 96
Effective length of query: 197
Effective length of database: 6,679,618
Effective search space: 1315884746
Effective search space used: 1315884746
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 15 ( 7.0 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 40 (21.6 bits)
S2: 59 (26.7 bits)