ID F1MXW5_BOVIN Unreviewed; 460 AA.
AC F1MXW5;
DT 03-MAY-2011, integrated into UniProtKB/TrEMBL.
DT 03-MAY-2011, sequence version 1.
DT 27-MAR-2024, entry version 79.
DE RecName: Full=3-oxoacyl-[acyl-carrier-protein] synthase, mitochondrial {ECO:0000256|PIRNR:PIRNR000447};
DE EC=2.3.1.41 {ECO:0000256|PIRNR:PIRNR000447};
GN Name=OXSM {ECO:0000313|Ensembl:ENSBTAP00000009250.2,
GN ECO:0000313|VGNC:VGNC:32513};
OS Bos taurus (Bovine).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae;
OC Bovinae; Bos.
OX NCBI_TaxID=9913 {ECO:0000313|Ensembl:ENSBTAP00000009250.2, ECO:0000313|Proteomes:UP000009136};
RN [1] {ECO:0000313|Ensembl:ENSBTAP00000009250.2, ECO:0000313|Proteomes:UP000009136}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hereford {ECO:0000313|Ensembl:ENSBTAP00000009250.2,
RC ECO:0000313|Proteomes:UP000009136};
RA Rosen B.D., Bickhart D.M., Koren S., Schnabel R.D., Hall R., Zimin A.,
RA Dreischer C., Schultheiss S., Schroeder S.G., Elsik C.G., Couldrey C.,
RA Liu G.E., Van Tassell C.P., Phillippy A.M., Smith T.P.L., Medrano J.F.;
RT "ARS-UCD1.2.";
RL Submitted (MAR-2018) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Ensembl:ENSBTAP00000009250.2}
RP IDENTIFICATION.
RC STRAIN=Hereford {ECO:0000313|Ensembl:ENSBTAP00000009250.2};
RG Ensembl;
RL Submitted (NOV-2023) to UniProtKB.
CC -!- FUNCTION: May play a role in the biosynthesis of lipoic acid as well as
CC longer chain fatty acids required for optimal mitochondrial function.
CC {ECO:0000256|PIRNR:PIRNR000447}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + hexanoyl-[ACP] + malonyl-[ACP] = 3-oxooctanoyl-[ACP] +
CC CO2 + holo-[ACP]; Xref=Rhea:RHEA:41836, Rhea:RHEA-COMP:9623,
CC Rhea:RHEA-COMP:9632, Rhea:RHEA-COMP:9633, Rhea:RHEA-COMP:9685,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:78449, ChEBI:CHEBI:78459, ChEBI:CHEBI:78460;
CC Evidence={ECO:0000256|ARBA:ARBA00023361};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41837;
CC Evidence={ECO:0000256|ARBA:ARBA00023361};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + malonyl-[ACP] + octanoyl-[ACP] = 3-oxodecanoyl-[ACP] +
CC CO2 + holo-[ACP]; Xref=Rhea:RHEA:41852, Rhea:RHEA-COMP:9623,
CC Rhea:RHEA-COMP:9636, Rhea:RHEA-COMP:9637, Rhea:RHEA-COMP:9685,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:78449, ChEBI:CHEBI:78463, ChEBI:CHEBI:78464;
CC Evidence={ECO:0000256|ARBA:ARBA00023414};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41853;
CC Evidence={ECO:0000256|ARBA:ARBA00023414};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + malonyl-[ACP] + tetradecanoyl-[ACP] = 3-
CC oxohexadecanoyl-[ACP] + CO2 + holo-[ACP]; Xref=Rhea:RHEA:41900,
CC Rhea:RHEA-COMP:9623, Rhea:RHEA-COMP:9648, Rhea:RHEA-COMP:9649,
CC Rhea:RHEA-COMP:9685, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:64479, ChEBI:CHEBI:78449, ChEBI:CHEBI:78477,
CC ChEBI:CHEBI:78478; Evidence={ECO:0000256|ARBA:ARBA00023341};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41901;
CC Evidence={ECO:0000256|ARBA:ARBA00023341};
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 EC=2.3.1.41; Evidence={ECO:0000256|ARBA:ARBA00023389};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:22837;
CC Evidence={ECO:0000256|ARBA:ARBA00023389};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=butanoyl-[ACP] + H(+) + malonyl-[ACP] = 3-oxohexanoyl-[ACP] +
CC CO2 + holo-[ACP]; Xref=Rhea:RHEA:41820, Rhea:RHEA-COMP:9623,
CC Rhea:RHEA-COMP:9628, Rhea:RHEA-COMP:9629, Rhea:RHEA-COMP:9685,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:78449, ChEBI:CHEBI:78454, ChEBI:CHEBI:78456;
CC Evidence={ECO:0000256|ARBA:ARBA00023403};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41821;
CC Evidence={ECO:0000256|ARBA:ARBA00023403};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=decanoyl-[ACP] + H(+) + malonyl-[ACP] = 3-oxododecanoyl-[ACP]
CC + CO2 + holo-[ACP]; Xref=Rhea:RHEA:41868, Rhea:RHEA-COMP:9623,
CC Rhea:RHEA-COMP:9640, Rhea:RHEA-COMP:9641, Rhea:RHEA-COMP:9685,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:78449, ChEBI:CHEBI:78468, ChEBI:CHEBI:78469;
CC Evidence={ECO:0000256|ARBA:ARBA00023396};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41869;
CC Evidence={ECO:0000256|ARBA:ARBA00023396};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=dodecanoyl-[ACP] + H(+) + malonyl-[ACP] = 3-oxotetradecanoyl-
CC [ACP] + CO2 + holo-[ACP]; Xref=Rhea:RHEA:41884, Rhea:RHEA-COMP:9623,
CC Rhea:RHEA-COMP:9644, Rhea:RHEA-COMP:9645, Rhea:RHEA-COMP:9685,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:64479,
CC ChEBI:CHEBI:65264, ChEBI:CHEBI:78449, ChEBI:CHEBI:78473;
CC Evidence={ECO:0000256|ARBA:ARBA00023348};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:41885;
CC Evidence={ECO:0000256|ARBA:ARBA00023348};
CC -!- PATHWAY: Lipid metabolism; fatty acid biosynthesis.
CC {ECO:0000256|ARBA:ARBA00005194, ECO:0000256|PIRNR:PIRNR000447}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion {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 Ensembl; ENSBTAT00000009250.3; ENSBTAP00000009250.2; ENSBTAG00000007031.3.
DR Ensembl; ENSBTAT00000070671.1; ENSBTAP00000065523.1; ENSBTAG00000007031.3.
DR VEuPathDB; HostDB:ENSBTAG00000007031; -.
DR VGNC; VGNC:32513; OXSM.
DR GeneTree; ENSGT00940000157768; -.
DR HOGENOM; CLU_000022_69_2_1; -.
DR OMA; ESTICPV; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000009136; Chromosome 27.
DR Bgee; ENSBTAG00000007031; Expressed in cardiac ventricle and 102 other cell types or tissues.
DR GO; GO:0005829; C:cytosol; IEA:Ensembl.
DR GO; GO:0005739; C:mitochondrion; IBA:GO_Central.
DR GO; GO:0004315; F:3-oxoacyl-[acyl-carrier-protein] synthase activity; IBA:GO_Central.
DR GO; GO:0006637; P:acyl-CoA metabolic process; IEA:Ensembl.
DR GO; GO:0006633; P:fatty acid biosynthetic process; IBA:GO_Central.
DR GO; GO:0051792; P:medium-chain fatty acid biosynthetic process; IEA:Ensembl.
DR GO; GO:0051790; P:short-chain fatty acid biosynthetic process; IEA:Ensembl.
DR CDD; cd00834; KAS_I_II; 1.
DR Gene3D; 3.40.47.10; -; 2.
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 Mitochondrion {ECO:0000256|PIRNR:PIRNR000447};
KW Reference proteome {ECO:0000313|Proteomes:UP000009136};
KW Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT DOMAIN 42..459
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
FT ACT_SITE 210
FT /note="For beta-ketoacyl synthase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ SEQUENCE 460 AA; 48587 MW; 75C48E1F15BD3BDF CRC64;
MLSDGLQIFL RITKCHLIHA RSCQRLVNER RFLATAPAPG LRRRVVITGI GLVTPLGVGT
QLVWDRLVRG ESGIVSLVGD EYQSIPCSVA AYVPRGCDEG QFNEQNFVPK SDTKSMSPPT
VMAIAAAELA LKDAGWHPQS EADQAATGVA IGMGMVPLEV ISETALTFQT KGYSKVSPFF
VPKILVNMAS GQVSIRHKLK GPNHAVSTAC TTGAHAVGDS FRFVAHGDAD VMVAGGTDSC
ISPLSLAGFA RARALSTNTD PKSACRPFHP QRDGFVMGEG AAVLVLEEHR HALRRGARVY
AEIVGYGLSG DAGHITAPDP GGEGAFRCMA AAVKDAGIQP EEVSYINAHA TSTPLGDAAE
NKAIKQLFKD HAHVLAVSST KGATGHLLGA AGAAEAAFTA LACYHRKLPP TLNLDCTEPH
FDLNYVPLKA QEWKAENRRI ALTNSFGFGG TNATLCIAGM
//
