ID H0TYA3_9BRAD Unreviewed; 420 AA.
AC H0TYA3;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 27-MAR-2024, entry version 58.
DE RecName: Full=3-oxoacyl-[acyl-carrier-protein] synthase 2 {ECO:0000256|ARBA:ARBA00014657, ECO:0000256|PIRNR:PIRNR000447};
DE EC=2.3.1.179 {ECO:0000256|ARBA:ARBA00012356, ECO:0000256|PIRNR:PIRNR000447};
GN Name=fabF {ECO:0000313|EMBL:CCE11433.1};
GN ORFNames=BRAS3843_680028 {ECO:0000313|EMBL:CCE11433.1};
OS Bradyrhizobium sp. STM 3843.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Bradyrhizobium.
OX NCBI_TaxID=551947 {ECO:0000313|EMBL:CCE11433.1, ECO:0000313|Proteomes:UP000002686};
RN [1] {ECO:0000313|Proteomes:UP000002686}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=STM3843 {ECO:0000313|Proteomes:UP000002686};
RX PubMed=24704842; DOI=10.3390/genes3010035;
RA Mornico D., Miche L., Bena G., Nouwen N., Vermeglio A., Vallenet D.,
RA Smith A.A., Giraud E., Medigue C., Moulin L.;
RT "Comparative genomics of aeschynomene symbionts: insights into the
RT ecological lifestyle of nod-independent photosynthetic bradyrhizobia.";
RL Genes (Basel) 3:35-61(2011).
CC -!- FUNCTION: Involved in the type II fatty acid elongation cycle.
CC Catalyzes the elongation of a wide range of acyl-ACP by the addition of
CC two carbons from malonyl-ACP to an acyl acceptor. Can efficiently
CC catalyze the conversion of palmitoleoyl-ACP (cis-hexadec-9-enoyl-ACP)
CC to cis-vaccenoyl-ACP (cis-octadec-11-enoyl-ACP), an essential step in
CC the thermal regulation of fatty acid composition.
CC {ECO:0000256|PIRNR:PIRNR000447}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(9Z)-hexadecenoyl-[ACP] + H(+) + malonyl-[ACP] = 3-oxo-(11Z)-
CC octadecenoyl-[ACP] + CO2 + holo-[ACP]; Xref=Rhea:RHEA:55040,
CC Rhea:RHEA-COMP:9623, Rhea:RHEA-COMP:9685, Rhea:RHEA-COMP:10800,
CC Rhea:RHEA-COMP:14074, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:64479, ChEBI:CHEBI:78449, ChEBI:CHEBI:83989,
CC ChEBI:CHEBI:138538; EC=2.3.1.179;
CC Evidence={ECO:0000256|PIRNR:PIRNR000447};
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 Evidence={ECO:0000256|PIRNR:PIRNR000447};
CC -!- PATHWAY: Lipid metabolism; fatty acid biosynthesis.
CC {ECO:0000256|PIRNR:PIRNR000447}.
CC -!- SIMILARITY: Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP
CC synthases family. {ECO:0000256|ARBA:ARBA00008467,
CC ECO:0000256|PIRNR:PIRNR000447, 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:CCE11433.1}.
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DR EMBL; CAFK01000316; CCE11433.1; -; Genomic_DNA.
DR RefSeq; WP_008973941.1; NZ_CAFK01000316.1.
DR AlphaFoldDB; H0TYA3; -.
DR OrthoDB; 9808669at2; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000002686; 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; -; 1.
DR InterPro; IPR017568; 3-oxoacyl-ACP_synth-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 NCBIfam; TIGR03150; fabF; 1.
DR PANTHER; PTHR11712:SF321; 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 2; 1.
DR PANTHER; PTHR11712; POLYKETIDE SYNTHASE-RELATED; 1.
DR Pfam; PF00109; ketoacyl-synt; 1.
DR Pfam; PF02801; Ketoacyl-synt_C; 1.
DR PIRSF; PIRSF000447; KAS_II; 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:0000256|ARBA:ARBA00023315,
KW ECO:0000256|PIRNR:PIRNR000447};
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160,
KW ECO:0000256|PIRNR:PIRNR000447};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516,
KW ECO:0000256|PIRNR:PIRNR000447};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Reference proteome {ECO:0000313|Proteomes:UP000002686};
KW Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT DOMAIN 1..418
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
FT ACT_SITE 170
FT /note="For beta-ketoacyl synthase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ SEQUENCE 420 AA; 43600 MW; 38FBDF5014C827F0 CRC64;
MRRIVVTGLG LVSPLGCGSE LAWSRLLAAR SGLAALPEWA AVLPARVAGI VPTKADDADG
GFDPDLIVAP KDQRRMDRFI LFALVAAAEA IAQAAWTPSE AYSMERTATV IASGIGGFPA
IVEAVRTTDQ RGVRRLSPFT VPSFLANLAA GHVSIRYGFK GPIGTPVTAC AASVQAIGDA
ARLIRTGEAD VAICGGSEAC IDLVSLGGFA AARALSTGFN ETPTRASRPF DRDRDGFVMG
EGAGILVIEE LEHALRRGAQ PIAEIAGYGT TADAYHITSG PEDGDGARRA MEGALRQAGL
RPGDIQHLNA HSTSTPVGDL SELEAIKAVF GRDGKIAVSA TKSATGHLLG AAGGAEAIFT
ILALRDQIAP PTLNLENGDT AAEGVDIVAR EARRMPMEHA ISNGFGFGGV NASVIFRRWQ
//
