UniProt: Q4CB33

Database: UniProt
Entry: Q4CB33_CROWT

LinkDB:  Q4CB33_CROWT 
Original site:  Q4CB33_CROWT

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Ontology (2)   
   GO (2)   
Chemical reaction (1)   
   KEGG ENZYME (1)   
Gene (1)   
   KEGG GENES (1)   
Protein sequence (1)   
   RefSeq(pep) (1)   
DNA sequence (1)   
   EMBL (1)   
Protein domain (12)   
   InterPro (7)   
   Pfam (2)   
   PROSITE (2)   
   SMART (1)   
All databases (18)   

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ID   Q4CB33_CROWT            Unreviewed;       416 AA.
AC   Q4CB33;
DT   13-SEP-2005, integrated into UniProtKB/TrEMBL.
DT   13-SEP-2005, sequence version 1.
DT   24-JAN-2024, entry version 93.
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=CwatDRAFT_6015 {ECO:0000313|EMBL:EAM52753.1};
OS   Crocosphaera watsonii WH 8501.
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC   Chroococcales; Aphanothecaceae; Crocosphaera.
OX   NCBI_TaxID=165597 {ECO:0000313|EMBL:EAM52753.1, ECO:0000313|Proteomes:UP000003922};
RN   [1] {ECO:0000313|EMBL:EAM52753.1, ECO:0000313|Proteomes:UP000003922}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH 8501 {ECO:0000313|EMBL:EAM52753.1,
RC   ECO:0000313|Proteomes:UP000003922};
RG   DOE Joint Genome Institute;
RL   Submitted (FEB-2004) to the EMBL/GenBank/DDBJ databases.
RN   [2] {ECO:0000313|EMBL:EAM52753.1, ECO:0000313|Proteomes:UP000003922}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH 8501 {ECO:0000313|EMBL:EAM52753.1,
RC   ECO:0000313|Proteomes:UP000003922};
RG   US DOE Joint Genome Institute (JGI-ORNL);
RA   Larimer F., Land M.;
RT   "Annotation of the draft genome assembly of Crocosphaera watsonii WH
RT   8501.";
RL   Submitted (JUN-2005) to the EMBL/GenBank/DDBJ databases.
RN   [3] {ECO:0000313|EMBL:EAM52753.1, ECO:0000313|Proteomes:UP000003922}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH 8501 {ECO:0000313|EMBL:EAM52753.1,
RC   ECO:0000313|Proteomes:UP000003922};
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Richardson P.;
RT   "Sequencing of the draft genome and assembly of Crocosphaera watsonii WH
RT   8501.";
RL   Submitted (JUN-2005) 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:EAM52753.1}.
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DR   EMBL; AADV02000001; EAM52753.1; -; Genomic_DNA.
DR   RefSeq; WP_007303076.1; NZ_AADV02000001.1.
DR   AlphaFoldDB; Q4CB33; -.
DR   KEGG; cwa:CwatDRAFT_6015; -.
DR   OrthoDB; 9808669at2; -.
DR   UniPathway; UPA00094; -.
DR   Proteomes; UP000003922; 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:UP000003922};
KW   Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT   DOMAIN          6..414
FT                   /note="Ketosynthase family 3 (KS3)"
FT                   /evidence="ECO:0000259|PROSITE:PS52004"
FT   ACT_SITE        167
FT                   /note="For beta-ketoacyl synthase activity"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ   SEQUENCE   416 AA;  43871 MW;  A6D1802E7ED8F87D CRC64;
     MTNSQLKRVV VTGLGAITPI GNTLTDYWQG LMNGKSGIAE ITNFDPSKHA CRIAGEVKGF
     DPQDYLDRKE AKRMDRFAQF GVSASLQALA DSKLVINDLN AEQIGVIIGT GVGGIKVLED
     QQEVYLNKGP SRCSPFMIPM MIGNMASGLT AINTGAKGPN TCTVTACAAG SNAIGDAFRL
     VQRGYAKAMI CGGTEASVTP LSLAGFASAR ALSTRNDEPQ KASRPFDKDR DGFVMGEGSG
     ILILEELEHA LARGATIYGE MVGYAMTCDA YHMTAPVPDG AGATRAMELA LKDGGISPEQ
     VTYINAHGTS TAANDVTETK AIKKALGDRA YAIAVSSTKS MTGHLLGGSG GIEAVATLMA
     IANDRIPPTL NLDNPDPDCD LDYVPYESRP LEIDVALSNS FGFGGHNVTL VFRKYR
//

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