ID L9U707_9GAMM Unreviewed; 403 AA.
AC L9U707;
DT 03-APR-2013, integrated into UniProtKB/TrEMBL.
DT 03-APR-2013, sequence version 1.
DT 13-SEP-2023, entry version 45.
DE RecName: Full=Enoyl-[acyl-carrier-protein] reductase [NADH] {ECO:0000256|HAMAP-Rule:MF_01838};
DE Short=ENR {ECO:0000256|HAMAP-Rule:MF_01838};
DE EC=1.3.1.9 {ECO:0000256|HAMAP-Rule:MF_01838};
GN Name=fabV {ECO:0000256|HAMAP-Rule:MF_01838};
GN ORFNames=HALTITAN_2691 {ECO:0000313|EMBL:ELY20562.1};
OS Halomonas titanicae BH1.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=1204738 {ECO:0000313|EMBL:ELY20562.1, ECO:0000313|Proteomes:UP000011651};
RN [1] {ECO:0000313|EMBL:ELY20562.1, ECO:0000313|Proteomes:UP000011651}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BH1 {ECO:0000313|EMBL:ELY20562.1,
RC ECO:0000313|Proteomes:UP000011651};
RX PubMed=23516210;
RA Sanchez-Porro C., de la Haba R.R., Cruz-Hernandez N., Gonzalez J.M.,
RA Reyes-Guirao C., Navarro-Sampedro L., Carballo M., Ventosa A.;
RT "Draft Genome of the Marine Gammaproteobacterium Halomonas titanicae.";
RL Genome Announc. 1:E0008313-E0008313(2013).
CC -!- FUNCTION: Involved in the final reduction of the elongation cycle of
CC fatty acid synthesis (FAS II). Catalyzes the reduction of a carbon-
CC carbon double bond in an enoyl moiety that is covalently linked to an
CC acyl carrier protein (ACP). {ECO:0000256|HAMAP-Rule:MF_01838}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 2,3-saturated acyl-CoA + NAD(+) = a (2E)-enoyl-CoA + H(+) +
CC NADH; Xref=Rhea:RHEA:18177, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945, ChEBI:CHEBI:58856, ChEBI:CHEBI:65111; EC=1.3.1.44;
CC Evidence={ECO:0000256|ARBA:ARBA00001615};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 2,3-saturated acyl-[ACP] + NAD(+) = a (2E)-enoyl-[ACP] +
CC H(+) + NADH; Xref=Rhea:RHEA:10240, Rhea:RHEA-COMP:9925, Rhea:RHEA-
CC COMP:9926, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:78784, ChEBI:CHEBI:78785; EC=1.3.1.9;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01838};
CC -!- PATHWAY: Lipid metabolism; fatty acid biosynthesis. {ECO:0000256|HAMAP-
CC Rule:MF_01838}.
CC -!- SUBUNIT: Monomer. {ECO:0000256|ARBA:ARBA00011245, ECO:0000256|HAMAP-
CC Rule:MF_01838}.
CC -!- SIMILARITY: Belongs to the TER reductase family. {ECO:0000256|HAMAP-
CC Rule:MF_01838}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ELY20562.1}.
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DR EMBL; AOPO01000015; ELY20562.1; -; Genomic_DNA.
DR RefSeq; WP_009288181.1; NZ_AOPO01000015.1.
DR AlphaFoldDB; L9U707; -.
DR GeneID; 69282122; -.
DR PATRIC; fig|1204738.3.peg.4066; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000011651; Unassembled WGS sequence.
DR GO; GO:0004318; F:enoyl-[acyl-carrier-protein] reductase (NADH) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0051287; F:NAD binding; IEA:UniProtKB-UniRule.
DR GO; GO:0050343; F:trans-2-enoyl-CoA reductase (NAD+) activity; IEA:UniProtKB-EC.
DR GO; GO:0006633; P:fatty acid biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 1.
DR HAMAP; MF_01838; FabV_reductase; 1.
DR InterPro; IPR024906; Eno_Rdtase_FAD-bd_dom.
DR InterPro; IPR024910; Enoyl-CoA_Rdtase_cat_dom.
DR InterPro; IPR010758; Trans-2-enoyl-CoA_reductase.
DR PANTHER; PTHR37480; ENOYL-[ACYL-CARRIER-PROTEIN] REDUCTASE [NADH]; 1.
DR PANTHER; PTHR37480:SF1; ENOYL-[ACYL-CARRIER-PROTEIN] REDUCTASE [NADH]; 1.
DR Pfam; PF07055; Eno-Rase_FAD_bd; 1.
DR Pfam; PF12242; Eno-Rase_NADH_b; 1.
DR Pfam; PF12241; Enoyl_reductase; 1.
PE 3: Inferred from homology;
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160, ECO:0000256|HAMAP-
KW Rule:MF_01838};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832, ECO:0000256|HAMAP-
KW Rule:MF_01838};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516, ECO:0000256|HAMAP-
KW Rule:MF_01838};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098, ECO:0000256|HAMAP-
KW Rule:MF_01838};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01838};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01838}.
FT DOMAIN 83..318
FT /note="Trans-2-enoyl-CoA reductase catalytic"
FT /evidence="ECO:0000259|Pfam:PF12241"
FT DOMAIN 329..392
FT /note="Enoyl reductase FAD binding"
FT /evidence="ECO:0000259|Pfam:PF07055"
FT ACT_SITE 236
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 49..54
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 75..76
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 112..113
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 140..141
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 226
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 245
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT BINDING 274..276
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
FT SITE 76
FT /note="Plays an important role in discriminating NADH
FT against NADPH"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01838"
SQ SEQUENCE 403 AA; 44390 MW; 774745E184681E9B CRC64;
MIIKPKVRGF ICTTTHPIGC EQNVREQIEA TRARGLDKQA GPKKVLVIGA SSGYGLAARI
TAAFGYGADT LGVFFEKPAT DKKPGTAGWY NSAAFDKFAK QEGLYSKSIN GDAFSHEARE
KAIELIKQDM GEIDLVVYSL ASPVRKLPDS GELKRSSLKP IGETYRATAI DTNKDAIIEA
EVEPATQQEI DDTITVMGGE DWELWMEALD QAGVLAKGAR SVAFSYIGTE ITWPIYWHGA
LGKAKEDLDR AAAAIDAKLK ETGGGANVAV LKSVVTQASA AIPVMPLYIA MVYRIMKEQG
LHEGTIDQLN RLFGEQLYSA QGKRGEMVTD EVGRLRLDDW ELRDDVQQAC QDLWPEVTTE
NLFEITDYAG YKHEFLKLFG FERDDVDYDA DVNPEVTFDV VNL
//