ID G7EI54_9GAMM Unreviewed; 403 AA.
AC G7EI54;
DT 25-JAN-2012, integrated into UniProtKB/TrEMBL.
DT 25-JAN-2012, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=3-oxoacyl-[acyl-carrier-protein] synthase 1 {ECO:0000256|ARBA:ARBA00039450};
DE EC=2.3.1.41 {ECO:0000256|ARBA:ARBA00013191};
DE AltName: Full=3-oxoacyl-[acyl-carrier-protein] synthase I {ECO:0000256|ARBA:ARBA00041620};
DE AltName: Full=Beta-ketoacyl-ACP synthase I {ECO:0000256|ARBA:ARBA00042143};
GN Name=fabB {ECO:0000313|EMBL:GAA60588.1};
GN ORFNames=P20652_2454 {ECO:0000313|EMBL:GAA60588.1};
OS Pseudoalteromonas sp. BSi20652.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Pseudoalteromonadaceae; Pseudoalteromonas.
OX NCBI_TaxID=388384 {ECO:0000313|EMBL:GAA60588.1, ECO:0000313|Proteomes:UP000005499};
RN [1] {ECO:0000313|Proteomes:UP000005499}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Bsi20652 {ECO:0000313|Proteomes:UP000005499};
RX PubMed=22275105; DOI=10.1128/JB.06427-11;
RA Bian F., Xie B.B., Qin Q.L., Shu Y.L., Zhang X.Y., Yu Y., Chen B.,
RA Chen X.L., Zhou B.C., Zhang Y.Z.;
RT "Genome sequences of six Pseudoalteromonas strains isolated from Arctic sea
RT ice.";
RL J. Bacteriol. 194:908-909(2012).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(3Z)-decenoyl-[ACP] + H(+) + malonyl-[ACP] = 3-oxo-(5Z)-
CC dodecenoyl-[ACP] + CO2 + holo-[ACP]; Xref=Rhea:RHEA:54940, Rhea:RHEA-
CC COMP:9623, Rhea:RHEA-COMP:9685, Rhea:RHEA-COMP:9927, Rhea:RHEA-
CC COMP:14042, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:78449, ChEBI:CHEBI:78798, ChEBI:CHEBI:138410;
CC Evidence={ECO:0000256|ARBA:ARBA00035917};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:54941;
CC Evidence={ECO:0000256|ARBA:ARBA00035917};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a fatty acyl-[ACP] + H(+) + malonyl-[ACP] = a 3-oxoacyl-[ACP]
CC + CO2 + holo-[ACP]; Xref=Rhea:RHEA:22836, Rhea:RHEA-COMP:9623,
CC Rhea:RHEA-COMP:9685, Rhea:RHEA-COMP:9916, Rhea:RHEA-COMP:14125,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:78449, ChEBI:CHEBI:78776, ChEBI:CHEBI:138651;
CC EC=2.3.1.41; Evidence={ECO:0000256|ARBA:ARBA00023389};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:22837;
CC Evidence={ECO:0000256|ARBA:ARBA00023389};
CC -!- PATHWAY: Lipid metabolism; fatty acid biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005194}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP
CC synthases family. {ECO:0000256|ARBA:ARBA00008467,
CC ECO:0000256|RuleBase:RU003694}.
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:GAA60588.1}.
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DR EMBL; BADT01000136; GAA60588.1; -; Genomic_DNA.
DR RefSeq; WP_008169792.1; NZ_BADT01000136.1.
DR AlphaFoldDB; G7EI54; -.
DR OrthoDB; 9808669at2; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000005499; Unassembled WGS sequence.
DR GO; GO:0004315; F:3-oxoacyl-[acyl-carrier-protein] synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006633; P:fatty acid biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd00834; KAS_I_II; 1.
DR Gene3D; 3.40.47.10; -; 2.
DR InterPro; IPR000794; Beta-ketoacyl_synthase.
DR InterPro; IPR018201; Ketoacyl_synth_AS.
DR InterPro; IPR014031; Ketoacyl_synth_C.
DR InterPro; IPR014030; Ketoacyl_synth_N.
DR InterPro; IPR020841; PKS_Beta-ketoAc_synthase_dom.
DR InterPro; IPR016039; Thiolase-like.
DR PANTHER; PTHR11712:SF306; 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 1; 1.
DR PANTHER; PTHR11712; POLYKETIDE SYNTHASE-RELATED; 1.
DR Pfam; PF00109; ketoacyl-synt; 1.
DR Pfam; PF02801; Ketoacyl-synt_C; 1.
DR SMART; SM00825; PKS_KS; 1.
DR SUPFAM; SSF53901; Thiolase-like; 2.
DR PROSITE; PS00606; KS3_1; 1.
DR PROSITE; PS52004; KS3_2; 1.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000313|EMBL:GAA60588.1};
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00023160};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023160};
KW Transferase {ECO:0000256|RuleBase:RU003694, ECO:0000313|EMBL:GAA60588.1}.
FT DOMAIN 1..400
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
SQ SEQUENCE 403 AA; 42682 MW; 6052E9E74A32E9DF CRC64;
MRRAVITGIG VVSSIGNNKD EVLESLKTGK SGIAFNQEFA DYKLRSNVSG KIDIDVKAHV
DRKAMRFMGD AAAYSYISMT QAIEDSGLSD DQVSNERTGI IVGSGGGSSK WQVEAADILR
EKGVKRVGPY MVPRTMASTT SACLATPFKI KGVNYSISSA CATSAHCIGN AVEQIQLGKQ
DVVFAGGGEE LHWTLAMEFD AMGALSTKYN ETPEKASRTY DANRDGFVIS GGGGIVVVEE
LEHALARGAH IYAEIVGYGA TSDGYDMVAP SGEGAARCMR QAMQDVESID YLNTHGTSTP
VGDVKELGAI QEVFGGKSPM ISATKAMTGH ALGAAGVHEA IFSLLMLEHS FVAPSINIDE
LDEQAAGLDI ITERRDVELN TVMSNSFGFG GTNATLVMSK YKG
//
