ID D5BDL6_ZUNPS Unreviewed; 331 AA.
AC D5BDL6;
DT 15-JUN-2010, integrated into UniProtKB/TrEMBL.
DT 15-JUN-2010, sequence version 1.
DT 27-MAR-2024, entry version 70.
DE RecName: Full=Beta-ketoacyl-[acyl-carrier-protein] synthase III {ECO:0000256|HAMAP-Rule:MF_01815};
DE Short=Beta-ketoacyl-ACP synthase III {ECO:0000256|HAMAP-Rule:MF_01815};
DE Short=KAS III {ECO:0000256|HAMAP-Rule:MF_01815};
DE EC=2.3.1.180 {ECO:0000256|HAMAP-Rule:MF_01815};
DE AltName: Full=3-oxoacyl-[acyl-carrier-protein] synthase 3 {ECO:0000256|HAMAP-Rule:MF_01815};
DE AltName: Full=3-oxoacyl-[acyl-carrier-protein] synthase III {ECO:0000256|HAMAP-Rule:MF_01815};
GN Name=fabH {ECO:0000256|HAMAP-Rule:MF_01815};
GN OrderedLocusNames=ZPR_4622 {ECO:0000313|EMBL:ADF54922.1};
OS Zunongwangia profunda (strain DSM 18752 / CCTCC AB 206139 / SM-A87) (Wangia
OS profunda).
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Zunongwangia.
OX NCBI_TaxID=655815 {ECO:0000313|EMBL:ADF54922.1, ECO:0000313|Proteomes:UP000001654};
RN [1] {ECO:0000313|EMBL:ADF54922.1, ECO:0000313|Proteomes:UP000001654}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 18752 / CCTCC AB 206139 / SM-A87
RC {ECO:0000313|Proteomes:UP000001654};
RX PubMed=20398413; DOI=10.1186/1471-2164-11-247;
RA Qin Q.L., Zhang X.Y., Wang X.M., Liu G.M., Chen X.L., Xie B.B., Dang H.Y.,
RA Zhou B.C., Yu J., Zhang Y.Z.;
RT "The complete genome of Zunongwangia profunda SM-A87 reveals its adaptation
RT to the deep-sea environment and ecological role in sedimentary organic
RT nitrogen degradation.";
RL BMC Genomics 11:247-247(2010).
CC -!- FUNCTION: Catalyzes the condensation reaction of fatty acid synthesis
CC by the addition to an acyl acceptor of two carbons from malonyl-ACP.
CC Catalyzes the first condensation reaction which initiates fatty acid
CC synthesis and may therefore play a role in governing the total rate of
CC fatty acid production. Possesses both acetoacetyl-ACP synthase and
CC acetyl transacylase activities. Its substrate specificity determines
CC the biosynthesis of branched-chain and/or straight-chain of fatty
CC acids. {ECO:0000256|HAMAP-Rule:MF_01815}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=acetyl-CoA + H(+) + malonyl-[ACP] = 3-oxobutanoyl-[ACP] + CO2
CC + CoA; Xref=Rhea:RHEA:12080, Rhea:RHEA-COMP:9623, Rhea:RHEA-
CC COMP:9625, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:57287,
CC ChEBI:CHEBI:57288, ChEBI:CHEBI:78449, ChEBI:CHEBI:78450;
CC EC=2.3.1.180; Evidence={ECO:0000256|HAMAP-Rule:MF_01815};
CC -!- PATHWAY: Lipid metabolism; fatty acid biosynthesis. {ECO:0000256|HAMAP-
CC Rule:MF_01815}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01815}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01815}.
CC -!- DOMAIN: The last Arg residue of the ACP-binding site is essential for
CC the weak association between ACP/AcpP and FabH. {ECO:0000256|HAMAP-
CC Rule:MF_01815}.
CC -!- SIMILARITY: Belongs to the thiolase-like superfamily. FabH family.
CC {ECO:0000256|ARBA:ARBA00008642, ECO:0000256|HAMAP-Rule:MF_01815}.
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DR EMBL; CP001650; ADF54922.1; -; Genomic_DNA.
DR RefSeq; WP_013073982.1; NC_014041.1.
DR AlphaFoldDB; D5BDL6; -.
DR STRING; 655815.ZPR_4622; -.
DR KEGG; zpr:ZPR_4622; -.
DR eggNOG; COG0332; Bacteria.
DR HOGENOM; CLU_039592_3_1_10; -.
DR OrthoDB; 9815506at2; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000001654; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004315; F:3-oxoacyl-[acyl-carrier-protein] synthase activity; IEA:InterPro.
DR GO; GO:0033818; F:beta-ketoacyl-acyl-carrier-protein synthase III activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006633; P:fatty acid biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd00830; KAS_III; 1.
DR Gene3D; 3.40.47.10; -; 1.
DR HAMAP; MF_01815; FabH; 1.
DR InterPro; IPR013747; ACP_syn_III_C.
DR InterPro; IPR013751; ACP_syn_III_N.
DR InterPro; IPR004655; FabH.
DR InterPro; IPR016039; Thiolase-like.
DR NCBIfam; TIGR00747; fabH; 1.
DR PANTHER; PTHR34069; 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 3; 1.
DR PANTHER; PTHR34069:SF2; BETA-KETOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE III; 1.
DR Pfam; PF08545; ACP_syn_III; 1.
DR Pfam; PF08541; ACP_syn_III_C; 1.
DR SUPFAM; SSF53901; Thiolase-like; 1.
PE 3: Inferred from homology;
KW Acyltransferase {ECO:0000256|HAMAP-Rule:MF_01815};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01815};
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160, ECO:0000256|HAMAP-
KW Rule:MF_01815};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832, ECO:0000256|HAMAP-
KW Rule:MF_01815};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516, ECO:0000256|HAMAP-
KW Rule:MF_01815};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098, ECO:0000256|HAMAP-
KW Rule:MF_01815}; Multifunctional enzyme {ECO:0000256|HAMAP-Rule:MF_01815};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01815}.
FT DOMAIN 110..187
FT /note="Beta-ketoacyl-[acyl-carrier-protein] synthase III N-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF08545"
FT DOMAIN 240..327
FT /note="Beta-ketoacyl-[acyl-carrier-protein] synthase III C-
FT terminal"
FT /evidence="ECO:0000259|Pfam:PF08541"
FT REGION 257..261
FT /note="ACP-binding"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01815"
FT ACT_SITE 116
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01815"
FT ACT_SITE 256
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01815"
FT ACT_SITE 286
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01815"
SQ SEQUENCE 331 AA; 36138 MW; 22B9747CA5854D45 CRC64;
MNKITAAITA VGGYVPEDVL TNKMLEEMVE TNDEWITTRT GIKERRILKD PNKGTSYLGI
QAAKDLINKT GLDPKEIDMV ILATATPDMP VAATGVHVAS EIGAINAFSY DLQAACSGFL
YAMSTGAAYI ESGRYKKVLV IGADKMSSII DYTDRTTCII FGDGAGAVLM EPNEEGYGLQ
DEILRSDSIG RDSLRIEAGG SLLPPSEETI AKKLHYVKQD GKTVFKYAVS NMSGVSAQIM
ERNHLTNQDV DWLIAHQANK RIIGATANRM GVEDEKVLMN IERYGNTTSA TLPLLLSDYE
KKFKKGDNLI FASFGGGFTW GATYLKWAYN S
//
