FABH1_LACPL
ID FABH1_LACPL Reviewed; 323 AA.
AC Q88YZ4; F9UL58; Q9LCH0;
DT 15-AUG-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 104.
DE RecName: Full=3-oxoacyl-[acyl-carrier-protein] synthase 3 protein 1 {ECO:0000255|HAMAP-Rule:MF_01815};
DE EC=2.3.1.180 {ECO:0000255|HAMAP-Rule:MF_01815};
DE AltName: Full=3-oxoacyl-[acyl-carrier-protein] synthase III protein 1 {ECO:0000255|HAMAP-Rule:MF_01815};
DE AltName: Full=Beta-ketoacyl-ACP synthase III 1 {ECO:0000255|HAMAP-Rule:MF_01815};
DE Short=KAS III 1 {ECO:0000255|HAMAP-Rule:MF_01815};
GN Name=fabH1 {ECO:0000255|HAMAP-Rule:MF_01815}; OrderedLocusNames=lp_0588;
OS Lactiplantibacillus plantarum (strain ATCC BAA-793 / NCIMB 8826 / WCFS1)
OS (Lactobacillus plantarum).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactiplantibacillus.
OX NCBI_TaxID=220668;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=L137;
RX PubMed=11133475; DOI=10.1128/aem.67.1.426-433.2001;
RA Kiatpapan P., Kobayashi H., Sakaguchi M., Ono H., Yamashita M., Kaneko Y.,
RA Murooka Y.;
RT "Molecular characterization of Lactobacillus plantarum genes for beta-
RT ketoacyl-acyl carrier protein synthase III(fabH) and acetyl coenzyme A
RT carboxylase (accBCDA), which are essential for fatty acid biosynthesis.";
RL Appl. Environ. Microbiol. 67:426-433(2001).
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-793 / NCIMB 8826 / WCFS1;
RX PubMed=12566566; DOI=10.1073/pnas.0337704100;
RA Kleerebezem M., Boekhorst J., van Kranenburg R., Molenaar D., Kuipers O.P.,
RA Leer R., Tarchini R., Peters S.A., Sandbrink H.M., Fiers M.W.E.J.,
RA Stiekema W., Klein Lankhorst R.M., Bron P.A., Hoffer S.M.,
RA Nierop Groot M.N., Kerkhoven R., De Vries M., Ursing B., De Vos W.M.,
RA Siezen R.J.;
RT "Complete genome sequence of Lactobacillus plantarum WCFS1.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:1990-1995(2003).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND GENOME REANNOTATION.
RC STRAIN=ATCC BAA-793 / NCIMB 8826 / WCFS1;
RX PubMed=22156394; DOI=10.1128/jb.06275-11;
RA Siezen R.J., Francke C., Renckens B., Boekhorst J., Wels M.,
RA Kleerebezem M., van Hijum S.A.;
RT "Complete resequencing and reannotation of the Lactobacillus plantarum
RT WCFS1 genome.";
RL J. Bacteriol. 194:195-196(2012).
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:0000255|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:0000255|HAMAP-Rule:MF_01815};
CC -!- PATHWAY: Lipid metabolism; fatty acid biosynthesis. {ECO:0000255|HAMAP-
CC Rule:MF_01815}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01815}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|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:0000255|HAMAP-
CC Rule:MF_01815}.
CC -!- SIMILARITY: Belongs to the thiolase-like superfamily. FabH family.
CC {ECO:0000255|HAMAP-Rule:MF_01815}.
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DR EMBL; AB025973; BAA93641.1; -; Genomic_DNA.
DR EMBL; AL935263; CCC78073.1; -; Genomic_DNA.
DR RefSeq; WP_003640915.1; NC_004567.2.
DR RefSeq; YP_004888587.1; NC_004567.2.
DR AlphaFoldDB; Q88YZ4; -.
DR SMR; Q88YZ4; -.
DR STRING; 220668.lp_0588; -.
DR EnsemblBacteria; CCC78073; CCC78073; lp_0588.
DR KEGG; lpl:lp_0588; -.
DR PATRIC; fig|220668.9.peg.492; -.
DR eggNOG; COG0332; Bacteria.
DR HOGENOM; CLU_039592_3_1_9; -.
DR OMA; WGSEGDK; -.
DR PhylomeDB; Q88YZ4; -.
DR BioCyc; LPLA220668:G1GW0-504-MON; -.
DR BRENDA; 2.3.1.180; 2849.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000000432; 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 Gene3D; 3.40.47.10; -; 1.
DR HAMAP; MF_01815; FabH; 1.
DR InterPro; IPR013751; ACP_syn_III.
DR InterPro; IPR013747; ACP_syn_III_C.
DR InterPro; IPR004655; FabH_synth.
DR InterPro; IPR016039; Thiolase-like.
DR Pfam; PF08545; ACP_syn_III; 1.
DR Pfam; PF08541; ACP_syn_III_C; 1.
DR SUPFAM; SSF53901; SSF53901; 1.
DR TIGRFAMs; TIGR00747; fabH; 1.
PE 3: Inferred from homology;
KW Acyltransferase; Cytoplasm; Fatty acid biosynthesis; Fatty acid metabolism;
KW Lipid biosynthesis; Lipid metabolism; Multifunctional enzyme;
KW Reference proteome; Transferase.
FT CHAIN 1..323
FT /note="3-oxoacyl-[acyl-carrier-protein] synthase 3 protein
FT 1"
FT /id="PRO_0000110437"
FT REGION 255..259
FT /note="ACP-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT ACT_SITE 114
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT ACT_SITE 254
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT ACT_SITE 284
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT CONFLICT 58
FT /note="T -> A (in Ref. 1; BAA93641)"
FT /evidence="ECO:0000305"
SQ SEQUENCE 323 AA; 34391 MW; 83C4C6B3DA71427D CRC64;
MPTYTKLTAM GQYVPGRVVD NDELAAIMDT SDEWIQAHTG IKTRHYAMND ENTSDLATQV
AQQLLQKSGL AASAIDLILV TTITPDALTP ATACLVQANI GADNAFAFDL SAACAGFTFG
LATADKFIRS GQYQNVMVIS AEVNSKMMDF QDRTAAVFFG DGAGGALLQA TDNPDENSLI
AEKLESQGNA TVIHSGRVRP ITEVAATNYP QTDAFYQVGR DVFQFATTVV PEQMRGLIAS
AQLTPSDLQY VICHQANLRI IEKIAANLAL PMTKFPHNVD HYGNTSSAGV AMALANVFDT
LTGPVLLTAF GGGLAYGSVL IKK
