ID A0A3S0VRU6_9MICC Unreviewed; 422 AA.
AC A0A3S0VRU6;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 13-SEP-2023, entry version 17.
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:RUQ22478.1};
GN ORFNames=D8M21_03280 {ECO:0000313|EMBL:RUQ22478.1};
OS Kocuria sp. HSID16901.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Micrococcaceae;
OC Kocuria.
OX NCBI_TaxID=2419505 {ECO:0000313|EMBL:RUQ22478.1, ECO:0000313|Proteomes:UP000277032};
RN [1] {ECO:0000313|EMBL:RUQ22478.1, ECO:0000313|Proteomes:UP000277032}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HSID16901 {ECO:0000313|EMBL:RUQ22478.1,
RC ECO:0000313|Proteomes:UP000277032};
RX PubMed=30578265;
RA Stubbendieck R.M., May D.S., Chevrette M.G., Temkin M.I.,
RA Wendt-Pienkowski E., Cagnazzo J., Carlson C.M., Gern J.E., Currie C.R.;
RT "Competition among nasal bacteria suggests a role for siderophore-mediated
RT interactions in shaping the human nasal microbiota.";
RL Appl. Environ. Microbiol. 0:0-0(2018).
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|ARBA:ARBA00005194, 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:RUQ22478.1}.
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DR EMBL; RBLM01000002; RUQ22478.1; -; Genomic_DNA.
DR RefSeq; WP_048678124.1; NZ_RBLM01000002.1.
DR AlphaFoldDB; A0A3S0VRU6; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000277032; 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; 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:SF336; 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE, MITOCHONDRIAL; 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; 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:UP000277032};
KW Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT DOMAIN 2..420
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
FT ACT_SITE 172
FT /note="For beta-ketoacyl synthase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ SEQUENCE 422 AA; 43985 MW; 3FAAC7915B7C810C CRC64;
MSQKVVVTGL GAFSPIGGTV SETWDNALQG VSGVKTLTDD WVAEYDLPVY IAGRAGQSVE
DSEFISKVET KRLDPSGQFA VIAAREAWKD AGFTADDADA AEELDPDRLA VSFGTGIGGV
WTLLNSWDTL RERGPRRILP MTVPMLMPNG SAAAISLNHK ARATAQTVVS ACASSTESLH
AGLDLIRSGK ADVVIAGGTE SAIHPMTLAS FAKMQALSKR NDDPEAASRP YDVDRDGFVM
GEGAAALILE SEEHAQARGA RVYAELAGSG VSSDAHHITA NDPEGIGAAR SIREALTAGD
IAVEDVVHVN AHATSTPVGD PAEAIALRVA FGEHTDNIAV SATKSMTGHL LGAAGALEAV
MTVLSVYDRK APATINLENK DSEIDLDVVT EARELPSGDI VALSNSFGFG GHNAVVAFRS
VN
//