ID A0A1J1HBS6_PLARL Unreviewed; 478 AA.
AC A0A1J1HBS6;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=beta-ketoacyl-[acyl-carrier-protein] synthase I {ECO:0000256|ARBA:ARBA00013191};
DE EC=2.3.1.41 {ECO:0000256|ARBA:ARBA00013191};
DE AltName: Full=Beta-ketoacyl-ACP synthase {ECO:0000256|ARBA:ARBA00044350};
GN Name=FabB {ECO:0000313|EMBL:CRH00875.1};
GN Synonyms=FabF {ECO:0000313|EMBL:CRH00875.1};
GN ORFNames=PRELSG_1122000 {ECO:0000313|EMBL:CRH00875.1};
OS Plasmodium relictum.
OC Eukaryota; Sar; Alveolata; Apicomplexa; Aconoidasida; Haemosporida;
OC Plasmodiidae; Plasmodium; Plasmodium (Haemamoeba).
OX NCBI_TaxID=85471 {ECO:0000313|EMBL:CRH00875.1, ECO:0000313|Proteomes:UP000220158};
RN [1] {ECO:0000313|EMBL:CRH00875.1, ECO:0000313|Proteomes:UP000220158}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SGS1 {ECO:0000313|EMBL:CRH00875.1,
RC ECO:0000313|Proteomes:UP000220158};
RG Pathogen Informatics;
RL Submitted (APR-2015) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- SIMILARITY: Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP
CC synthases family. {ECO:0000256|ARBA:ARBA00008467,
CC ECO:0000256|RuleBase:RU003694}.
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DR EMBL; LN835306; CRH00875.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1J1HBS6; -.
DR VEuPathDB; PlasmoDB:PRELSG_1122000; -.
DR OMA; PDPNSAC; -.
DR OrthoDB; 546841at2759; -.
DR Proteomes; UP000220158; Chromosome 11.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
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-KW.
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 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 Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Reference proteome {ECO:0000313|Proteomes:UP000220158};
KW Signal {ECO:0000256|SAM:SignalP};
KW Transferase {ECO:0000256|RuleBase:RU003694}.
FT SIGNAL 1..23
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 24..478
FT /note="beta-ketoacyl-[acyl-carrier-protein] synthase I"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5012949813"
FT DOMAIN 61..475
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
SQ SEQUENCE 478 AA; 53081 MW; EE448D419A547F83 CRC64;
MRTYSYYFFF FFFFFFLISQ VYSKKYGYVK NSAQRTTKNI FRNIRLYNSY NSNQLKNYCE
TSRVVCTGLG VVTGVGIGVE HFWNNLISGY NSIDKITKFD VTGMACGIGS EINKNDFNPY
DFYTNKKDVN RNDDCTHYAV AATRLAIDDA KIDLNKIDSD KVGTIIGSGI GGLLFLEKEM
KTLHEKGHKR ITPYLIPAMI ANTPSGFVSI ENNLRGISLG MLSACATSGN TIGEAYRYIK
YKEYDVMICG GTEASITPIS FAGFNALRAL CVGYNDNPKK GCRPFDLKRS GFVMGEGSGI
LILESYEHAI KRNAKIYGEI LAYSSESDAY HITAPEPNGR GLTSSIKKAL RMGNVNISDV
KYVNAHGTST NLNDKIETKV LKNVFKDHAY KLHVSSTKSM TGHCIGAAGA IESIACLKAM
QTNIIPPTIN YENEDPECDL DYTPNKSFYS KEDIDISLNT NLGFGGHNTA LLFKKISK
//
