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Database: UniProt
Entry: D7APC6_THEM3
LinkDB: D7APC6_THEM3
Original site: D7APC6_THEM3 
ID   D7APC6_THEM3            Unreviewed;       409 AA.
AC   D7APC6;
DT   10-AUG-2010, integrated into UniProtKB/TrEMBL.
DT   10-AUG-2010, sequence version 1.
DT   24-JAN-2024, entry version 71.
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   OrderedLocusNames=Tmath_1328 {ECO:0000313|EMBL:ADH61042.1};
OS   Thermoanaerobacter mathranii subsp. mathranii (strain DSM 11426 / CCUG
OS   53645 / CIP 108742 / A3).
OC   Bacteria; Bacillota; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacteraceae; Thermoanaerobacter.
OX   NCBI_TaxID=583358 {ECO:0000313|EMBL:ADH61042.1, ECO:0000313|Proteomes:UP000002064};
RN   [1] {ECO:0000313|EMBL:ADH61042.1, ECO:0000313|Proteomes:UP000002064}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 11426 / CIP 108742 / A3
RC   {ECO:0000313|Proteomes:UP000002064};
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Cheng J.-F., Bruce D., Goodwin L.,
RA   Pitluck S., Held B., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA   Kyrpides N., Mikhailova N., Zhou J., Hemme C., Woyke T.;
RT   "Complete sequence of Thermoanaerobacter mathranii subsp. mathranii
RT   mathranii str. A3.";
RL   Submitted (MAY-2010) to the EMBL/GenBank/DDBJ databases.
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|ARBA:ARBA00023926,
CC         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|ARBA:ARBA00023971,
CC         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}.
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DR   EMBL; CP002032; ADH61042.1; -; Genomic_DNA.
DR   RefSeq; WP_013150367.1; NC_014209.1.
DR   AlphaFoldDB; D7APC6; -.
DR   STRING; 583358.Tmath_1328; -.
DR   KEGG; tmt:Tmath_1328; -.
DR   HOGENOM; CLU_000022_69_2_9; -.
DR   OMA; RYIQFAL; -.
DR   UniPathway; UPA00094; -.
DR   Proteomes; UP000002064; Chromosome.
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: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; 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   Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT   DOMAIN          1..408
FT                   /note="Ketosynthase family 3 (KS3)"
FT                   /evidence="ECO:0000259|PROSITE:PS52004"
FT   ACT_SITE        162
FT                   /note="For beta-ketoacyl synthase activity"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ   SEQUENCE   409 AA;  44119 MW;  6D9DA1B711643F84 CRC64;
     MNRVVVTGVG VITPLGNTVE KFWNSLINGE SGIDTVTKFD VSEFPTKVAA EVKDFEPTLY
     IDKKEARRMD RFIQFAVASA KLALEDSQID LSKVDLNRFG VIYGTGIGGI ETFENQIKIM
     YEKGPGKVSP FFIPMMIANM AAGQIAITFG LKGINETIVN ACASSTNAIG EAFKAIQRGE
     ADLIVTGGTE AAITPMSFAG FCAMKAMSTN EDPKKASRPF DLNRDGFVMG EGSASLILES
     LEHAQKRGAK IYAEIIGYGA TDDAYHITAP APEGEGAARA MEAALKDGKV SFEMIDYINA
     HGTSTEYNDK FETMAIKKVF KDHAYKLYVS SIKSMVGHLL GAAGAVEAVA TVLTIKNGII
     PPTINYETPD PECDLNYVPN EAIEKEVNYA ISNSFGFGGH NGTILFKKF
//
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