FABH_DEIDV
ID FABH_DEIDV Reviewed; 350 AA.
AC C1D0N4;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 25-MAY-2022, entry version 63.
DE RecName: Full=3-oxoacyl-[acyl-carrier-protein] synthase 3 {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 {ECO:0000255|HAMAP-Rule:MF_01815};
DE AltName: Full=Beta-ketoacyl-ACP synthase III {ECO:0000255|HAMAP-Rule:MF_01815};
DE Short=KAS III {ECO:0000255|HAMAP-Rule:MF_01815};
GN Name=fabH {ECO:0000255|HAMAP-Rule:MF_01815}; OrderedLocusNames=Deide_05700;
OS Deinococcus deserti (strain DSM 17065 / CIP 109153 / LMG 22923 / VCD115).
OC Bacteria; Deinococcus-Thermus; Deinococci; Deinococcales; Deinococcaceae;
OC Deinococcus.
OX NCBI_TaxID=546414;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17065 / CIP 109153 / LMG 22923 / VCD115;
RX PubMed=19370165; DOI=10.1371/journal.pgen.1000434;
RA de Groot A., Dulermo R., Ortet P., Blanchard L., Guerin P., Fernandez B.,
RA Vacherie B., Dossat C., Jolivet E., Siguier P., Chandler M., Barakat M.,
RA Dedieu A., Barbe V., Heulin T., Sommer S., Achouak W., Armengaud J.;
RT "Alliance of proteomics and genomics to unravel the specificities of Sahara
RT bacterium Deinococcus deserti.";
RL PLoS Genet. 5:E1000434-E1000434(2009).
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; CP001114; ACO45408.1; -; Genomic_DNA.
DR RefSeq; WP_012692531.1; NC_012526.1.
DR AlphaFoldDB; C1D0N4; -.
DR SMR; C1D0N4; -.
DR STRING; 546414.Deide_05700; -.
DR PaxDb; C1D0N4; -.
DR EnsemblBacteria; ACO45408; ACO45408; Deide_05700.
DR KEGG; ddr:Deide_05700; -.
DR eggNOG; COG0332; Bacteria.
DR HOGENOM; CLU_039592_3_1_0; -.
DR OMA; WGSEGDK; -.
DR OrthoDB; 872193at2; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000002208; 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..350
FT /note="3-oxoacyl-[acyl-carrier-protein] synthase 3"
FT /id="PRO_1000215997"
FT REGION 257..261
FT /note="ACP-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT ACT_SITE 120
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT ACT_SITE 256
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
FT ACT_SITE 286
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01815"
SQ SEQUENCE 350 AA; 36840 MW; DF1EAE4E05400F47 CRC64;
MTAPSASRLS LGIVALGAYT PERIVRNEDF EARMDTNAAW IESRTGIRER RFAAEHEYTS
DMGVRAVQDM LRRDPQALTD VDAIICATVS PDALMPSTAA LIGMQVGLVG AAAFDLSTAC
SGFVYGLSVA SGLIHAGTAR RVLVVGAEVL SKIVDQDDRG TAILFGDGAG AAVVGPVPEG
YGFQDFVLGA DGNGGSSLYM RSVAKQLPGG FAMGDFTGMN GREVFKFAVR VLGDSGTQAL
EKSGLTTADV DWVIPHQANV RIIEAAMERF GLPMSKTIIN LDRYGNTSSA TVPLVLREGL
DDGRIRDGQQ LLLIAFGGGL SWVAGTMKWW GGAPSLQPDR AAEHSAGVQG
