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Database: UniProt
Entry: A0A1Y5SU56_9RHOB
LinkDB: A0A1Y5SU56_9RHOB
Original site: A0A1Y5SU56_9RHOB 
ID   A0A1Y5SU56_9RHOB        Unreviewed;       409 AA.
AC   A0A1Y5SU56;
DT   30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT   30-AUG-2017, sequence version 1.
DT   24-JAN-2024, entry version 17.
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:SLN45142.1};
GN   ORFNames=PSJ8397_02356 {ECO:0000313|EMBL:SLN45142.1};
OS   Pseudooctadecabacter jejudonensis.
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC   Paracoccaceae; Pseudooctadecabacter.
OX   NCBI_TaxID=1391910 {ECO:0000313|EMBL:SLN45142.1, ECO:0000313|Proteomes:UP000193623};
RN   [1] {ECO:0000313|EMBL:SLN45142.1, ECO:0000313|Proteomes:UP000193623}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CECT 8397 {ECO:0000313|EMBL:SLN45142.1,
RC   ECO:0000313|Proteomes:UP000193623};
RA   Afonso C.L., Miller P.J., Scott M.A., Spackman E., Goraichik I.,
RA   Dimitrov K.M., Suarez D.L., Swayne D.E.;
RL   Submitted (MAR-2017) to the EMBL/GenBank/DDBJ databases.
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   -!- 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}.
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DR   EMBL; FWFT01000003; SLN45142.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1Y5SU56; -.
DR   OrthoDB; 9808669at2; -.
DR   Proteomes; UP000193623; 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:InterPro.
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:SLN45142.1};
KW   Reference proteome {ECO:0000313|Proteomes:UP000193623};
KW   Transferase {ECO:0000256|RuleBase:RU003694, ECO:0000313|EMBL:SLN45142.1}.
FT   DOMAIN          1..406
FT                   /note="Ketosynthase family 3 (KS3)"
FT                   /evidence="ECO:0000259|PROSITE:PS52004"
SQ   SEQUENCE   409 AA;  41875 MW;  D17618EC472E6A66 CRC64;
     MKRVVITGLG IVSPIGNNAA EVDAALRAGT SGIVASEEMA EHGFRSQVAG TLKIDIADHV
     DKRTLRFMGP GAAYAHIAMG QAIEDAGLTE AEVVNPMTGL IAGSGGPSTS AMLAAHQTVL
     KNGSTKRIGP FAVPKTMSST VSANLATAYK IKGMNFSITS ACSTSLHCIG MAAQQIALGH
     QDVMFGGGGE ELDWTLSCLF DAMGAMSSKY NDTPTRASRA FDADRDGFVI AGGGAMVVLE
     SLDHALARGA KIYAEVTGFS ATSDGADMVA PSGEGGERAM RGALATLPEG RTVSYINAHG
     TSTPVGDVGE VEAVRRVFGT GSTPPISSTK SMTGHSQGAT GAQEAVYCLL ALQGDYIIPS
     INVETLDPAI NASEIATAFK ADAGLDTVMT NSFGFGGTNG SMLMSKYRG
//
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