ID A0A0S8EUS4_9GAMM Unreviewed; 405 AA.
AC A0A0S8EUS4;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 27-MAR-2024, entry version 22.
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 ORFNames=AMS22_10045 {ECO:0000313|EMBL:KPK51942.1};
OS Thiotrichales bacterium SG8_50.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales.
OX NCBI_TaxID=1703416 {ECO:0000313|EMBL:KPK51942.1, ECO:0000313|Proteomes:UP000051903};
RN [1] {ECO:0000313|EMBL:KPK51942.1, ECO:0000313|Proteomes:UP000051903}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SG8_50 {ECO:0000313|EMBL:KPK51942.1};
RX PubMed=25922666; DOI=10.1186/s40168-015-0077-6;
RA Baker B.J., Lazar C.S., Teske A.P., Dick G.J.;
RT "Genomic resolution of linkages in carbon, nitrogen, and sulfur cycling
RT among widespread estuary sediment bacteria.";
RL Microbiome 3:14-14(2015).
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:KPK51942.1}.
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DR EMBL; LJTW01000127; KPK51942.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0S8EUS4; -.
DR PATRIC; fig|1703416.3.peg.73; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000051903; 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:KPK51942.1};
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:KPK51942.1}.
FT DOMAIN 1..402
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
SQ SEQUENCE 405 AA; 42975 MW; BB17E97EA448BA6B CRC64;
MRRVVVTGIG IVSSIGNNKA EVIDSLRQGR SGIEFSQEYA DLGFRSHVHG TVKLDPSELI
DRKKFRFMGD AAAFNYLAMQ EAIEDAGLSE DEISNERTGI IVGSGGGSNS NNLAAVELLR
EKGVRRVGPY MVPRTMGSTT SANLATHFKV KGVNYSISSA CSTSAHCIGN AAELIQWGKQ
DRVFAGGGEE LHWTMTVLFD AMGALSSKYN DSPETASRAY DANRDGFVIA GGGGLVVLEE
LETARARGAR IYAELVGYGA TSDGYDMVAP SGEGAARCMQ QALSTVNGDI DYINAHGTST
PVGDIKELEA VKTVFGDKVP LIGSTKSLTG HALGAAGVNE AVYSLLMMQE GFLAESANIT
ELDPGADGVP ILRERVDKND INIVMSNSFG FGGTNASLVF QRYQD
//