ID Q0YPK3_9CHLB Unreviewed; 417 AA.
AC Q0YPK3;
DT 05-SEP-2006, integrated into UniProtKB/TrEMBL.
DT 05-SEP-2006, sequence version 1.
DT 24-JAN-2024, entry version 88.
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 ORFNames=CferDRAFT_0218 {ECO:0000313|EMBL:EAT58232.1};
OS Chlorobium ferrooxidans DSM 13031.
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chlorobiaceae;
OC Chlorobium/Pelodictyon group; Chlorobium.
OX NCBI_TaxID=377431 {ECO:0000313|EMBL:EAT58232.1, ECO:0000313|Proteomes:UP000004162};
RN [1] {ECO:0000313|EMBL:EAT58232.1, ECO:0000313|Proteomes:UP000004162}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 13031 {ECO:0000313|EMBL:EAT58232.1,
RC ECO:0000313|Proteomes:UP000004162};
RG US DOE Joint Genome Institute (JGI-ORNL);
RA Larimer F., Land M., Hauser L.;
RT "Annotation of the draft genome assembly of Chlorobium ferroxidans DSM
RT 13031.";
RL Submitted (JUL-2006) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:EAT58232.1, ECO:0000313|Proteomes:UP000004162}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 13031 {ECO:0000313|EMBL:EAT58232.1,
RC ECO:0000313|Proteomes:UP000004162};
RG US DOE Joint Genome Institute (JGI-PGF);
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Bruce D., Pitluck S., Richardson P.;
RT "Sequencing of the draft genome and assembly of Chlorobium ferroxidans DSM
RT 13031.";
RL Submitted (JUL-2006) 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|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|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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EAT58232.1}.
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DR EMBL; AASE01000026; EAT58232.1; -; Genomic_DNA.
DR RefSeq; WP_006367165.1; NZ_AASE01000026.1.
DR AlphaFoldDB; Q0YPK3; -.
DR OrthoDB; 9808669at2; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000004162; Unassembled WGS sequence.
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 Reference proteome {ECO:0000313|Proteomes:UP000004162};
KW Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT DOMAIN 5..413
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
FT ACT_SITE 166
FT /note="For beta-ketoacyl synthase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ SEQUENCE 417 AA; 44192 MW; 39341CD7E5AF0BD3 CRC64;
MAQERKRIVI TGIGVLTPIG LSKEEFWDSL YQGKSGAAPI TYFDTTDFAT TFACELKGFC
AADHIDRKSA DRMDPYCQYA VIAAGQALKD SGLDLKEIDP LRIGVVHGSG IGGMTTYEQQ
FENFLEKGPR RISPFFIPML IPDIAAGQIS IRYGLMGPNY ATASACATSL HAIIDAYLLI
NAGMADYMVC GGSEAPITRM SVGGFNSARA LSTLNDRPQE ASRPYDRDRD GFVMGEGGGT
LILESLESAK ARGAKIYGEI VGVGATADAY HLTAPHPEGL GAVNAMRTAI AMAGIAPEKI
DYINTHGTST PLGDLAEVAA IKTVFGEHAH KLSISATKSM TGHLLGAAGV VESIACLLAL
QHQTVPPTIN CDNLDPAVDI DVTPNTPKKR TIEYALNNGF GFGGHNASLI FRNGSSL
//