RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy408
(132 letters)
>gnl|CDD|224316 COG1398, OLE1, Fatty-acid desaturase [Lipid metabolism].
Length = 289
Score = 85.9 bits (213), Expect = 3e-21
Identities = 36/133 (27%), Positives = 66/133 (49%), Gaps = 12/133 (9%)
Query: 3 SVFNWVRDHRVHHKYSETDADPH-NSKRGFFFAHVGWLMCR--KHKDVIEKGRMVDMSDV 59
WV HR HH+ ++TD DPH +S +GF+++H+GW++ + KD + +
Sbjct: 96 PAIEWVGIHRKHHRKTDTDQDPHYDSFKGFWWSHIGWMLLYSAEAKDRE------TIQKL 149
Query: 60 MADPLVRFHEKHFFWFKLVLCFIIPTIVPYYYFGESLLVSVLTMNFFRYILTLNFTWAVN 119
D + + ++ + L++ ++P + Y G + ++ R +L + TW VN
Sbjct: 150 GKDIPLDWQHRNLYLIALLMQIVLPLFIGYALGG---WLGLIWGGVQRLVLVQHATWCVN 206
Query: 120 SAAHIWGNKPFDR 132
S H G +PFD
Sbjct: 207 SLGHYIGYRPFDC 219
>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 = 71.8 bits (177), Expect = 1e-16
Identities = 25/41 (60%), Positives = 31/41 (75%)
Query: 1 MNSVFNWVRDHRVHHKYSETDADPHNSKRGFFFAHVGWLMC 41
S WV DHR+HH+YS+TD DPH+ KRGF+F+HVGWL
Sbjct: 51 QGSPLWWVADHRLHHRYSDTDGDPHSPKRGFWFSHVGWLGG 91
Score = 41.0 bits (97), Expect = 3e-05
Identities = 14/27 (51%), Positives = 19/27 (70%)
Query: 105 FFRYILTLNFTWAVNSAAHIWGNKPFD 131
R +L L+ TW VNS AH+WG +P+D
Sbjct: 92 LLRIVLVLHATWLVNSLAHMWGYRPYD 118
>gnl|CDD|177866 PLN02220, PLN02220, delta-9 acyl-lipid desaturase.
Length = 299
Score = 59.8 bits (145), Expect = 1e-11
Identities = 36/124 (29%), Positives = 62/124 (50%), Gaps = 11/124 (8%)
Query: 6 NWVRDHRVHHKYSETDADPHNSKRGFFFAHVGWLMCRKHKDVIEK-GRMVDMSDVMADPL 64
+WV HR HH+++++D DPH+ GF+F+HV W+ + + EK G ++ D+
Sbjct: 109 DWVSTHRFHHQFTDSDRDPHSPIEGFWFSHVLWIFDTSY--IREKCGGRDNVMDLKQQWF 166
Query: 65 VRFHEKHFFWFKLVLCFIIPTIVPYYYFGESLLVSVLTMNFFRYILTLNFTWAVNSAAHI 124
RF K L+ ++ Y + G L + + + + TW +NSA HI
Sbjct: 167 YRFLRKTIGLHILMFWTLL-----YLWGGLPYLTWGVGVGGA---IGYHVTWLINSACHI 218
Query: 125 WGNK 128
WG++
Sbjct: 219 WGSR 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 = 29.7 bits (67), Expect = 0.23
Identities = 13/38 (34%), Positives = 18/38 (47%), Gaps = 3/38 (7%)
Query: 1 MNSVFNWVRDHRVHHKYSETD-ADPHNSKRGFFFAHVG 37
S W R HR HH+Y+ T DP ++ + H G
Sbjct: 46 GGSYGWWRRSHRRHHRYTNTPGKDPDSA--VNYLEHYG 81
>gnl|CDD|220420 pfam09815, XK-related, XK-related protein. Members of this family
comprise various XK-related proteins, that are involved
in sodium-dependent transport of neutral amino acids or
oligopeptides. These proteins are responsible for the Kx
blood group system - defects results in McLeod syndrome,
an X-linked multi-system disorder characterized by late
onset abnormalities in the neuromuscular and
hematopoietic systems.
Length = 334
Score = 28.8 bits (65), Expect = 0.82
Identities = 14/51 (27%), Positives = 23/51 (45%), Gaps = 9/51 (17%)
Query: 67 FHEKHFFWFKLVLCFIIPTIVPYYYFGESLLVSVLTMNFFRYILTLNFTWA 117
F E + WF L L F+ +VP S++V + + +F+ L L
Sbjct: 27 FLEGDYVWFALTLVFV---LVP------SVVVQLFSFLWFKDDLKLGGPSI 68
>gnl|CDD|237003 PRK11860, PRK11860, bifunctional 3-phosphoshikimate
1-carboxyvinyltransferase/cytidine monophosphate kinase;
Provisional.
Length = 661
Score = 28.5 bits (64), Expect = 0.99
Identities = 8/21 (38%), Positives = 16/21 (76%)
Query: 42 RKHKDVIEKGRMVDMSDVMAD 62
R++K +I KG +++D++AD
Sbjct: 590 RRYKQLISKGISANIADLLAD 610
>gnl|CDD|178739 PLN03198, PLN03198, delta6-acyl-lipid desaturase; Provisional.
Length = 526
Score = 28.5 bits (63), Expect = 1.1
Identities = 16/64 (25%), Positives = 29/64 (45%), Gaps = 6/64 (9%)
Query: 63 PLVRFHEK-----HFFWFKLVLCFIIPTIVPYYYFGESLLVSVLTMNFFRYILTLNFTWA 117
P R EK H+FWF C+++P P + + L+ + + F ++L+ N
Sbjct: 371 PADRLLEKGTILFHYFWFIGTACYLLPGWKPLVWMAVTELMCGMLLGFV-FVLSHNGMEV 429
Query: 118 VNSA 121
N +
Sbjct: 430 YNKS 433
>gnl|CDD|148444 pfam06837, Fijivirus_P9-2, Fijivirus P9-2 protein. This family
consists of several Fijivirus specific P9-2 proteins
from Rice black streaked dwarf virus (RBSDV) and Fiji
disease virus. The function of this family is unknown.
Length = 214
Score = 26.4 bits (58), Expect = 3.9
Identities = 12/49 (24%), Positives = 25/49 (51%), Gaps = 5/49 (10%)
Query: 72 FFWFKLVLCFIIPTIVPYYYFGESLLVSVLTMNFFRYILTLNFTWAVNS 120
F+ VL +++ +FG+S++ V +N R + LN T +++
Sbjct: 125 FYTLLFVLIYLL-----IIFFGDSIIHCVNYLNNNRSVNFLNSTQDIDA 168
>gnl|CDD|223550 COG0474, MgtA, Cation transport ATPase [Inorganic ion transport and
metabolism].
Length = 917
Score = 26.1 bits (58), Expect = 6.4
Identities = 4/44 (9%), Positives = 18/44 (40%)
Query: 72 FFWFKLVLCFIIPTIVPYYYFGESLLVSVLTMNFFRYILTLNFT 115
+ W L++ I+ ++ + + ++ F +++ +
Sbjct: 855 YLWLALLVIIILQLLIIFLPPLNLKIFQPTPLSLFEWLIAIAVA 898
>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 = 25.4 bits (56), Expect = 9.4
Identities = 7/16 (43%), Positives = 10/16 (62%)
Query: 9 RDHRVHHKYSETDADP 24
R H +HH++ T DP
Sbjct: 87 RKHHLHHRHPGTAKDP 102
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
0.331 0.142 0.493
Gapped
Lambda K H
0.267 0.0776 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 6,862,470
Number of extensions: 597682
Number of successful extensions: 754
Number of sequences better than 10.0: 1
Number of HSP's gapped: 742
Number of HSP's successfully gapped: 51
Length of query: 132
Length of database: 10,937,602
Length adjustment: 86
Effective length of query: 46
Effective length of database: 7,123,158
Effective search space: 327665268
Effective search space used: 327665268
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 15 ( 7.2 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 40 (21.9 bits)
S2: 53 (24.1 bits)