ID Q9RDP7_STRCO Unreviewed; 429 AA.
AC Q9RDP7;
DT 01-MAY-2000, integrated into UniProtKB/TrEMBL.
DT 01-MAY-2000, sequence version 1.
DT 27-MAR-2024, entry version 128.
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 Name=fabF {ECO:0000313|EMBL:CAB62722.1};
GN OrderedLocusNames=SCO2390 {ECO:0000313|EMBL:CAB62722.1};
GN ORFNames=SC4A7.18 {ECO:0000313|EMBL:CAB62722.1};
OS Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145).
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces; Streptomyces albidoflavus group.
OX NCBI_TaxID=100226 {ECO:0000313|EMBL:CAB62722.1, ECO:0000313|Proteomes:UP000001973};
RN [1] {ECO:0000313|EMBL:CAB62722.1, ECO:0000313|Proteomes:UP000001973}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-471 / A3(2) / M145
RC {ECO:0000313|Proteomes:UP000001973};
RX PubMed=12000953; DOI=10.1038/417141a;
RA Bentley S.D., Chater K.F., Cerdeno-Tarraga A.M., Challis G.L.,
RA Thomson N.R., James K.D., Harris D.E., Quail M.A., Kieser H., Harper D.,
RA Bateman A., Brown S., Chandra G., Chen C.W., Collins M., Cronin A.,
RA Fraser A., Goble A., Hidalgo J., Hornsby T., Howarth S., Huang C.H.,
RA Kieser T., Larke L., Murphy L., Oliver K., O'Neil S., Rabbinowitsch E.,
RA Rajandream M.A., Rutherford K., Rutter S., Seeger K., Saunders D.,
RA Sharp S., Squares R., Squares S., Taylor K., Warren T., Wietzorrek A.,
RA Woodward J., Barrell B.G., Parkhill J., Hopwood D.A.;
RT "Complete genome sequence of the model actinomycete Streptomyces coelicolor
RT A3(2).";
RL Nature 417:141-147(2002).
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}.
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DR EMBL; AL939112; CAB62722.1; -; Genomic_DNA.
DR RefSeq; NP_626636.1; NC_003888.3.
DR RefSeq; WP_011028323.1; NZ_VNID01000001.1.
DR AlphaFoldDB; Q9RDP7; -.
DR STRING; 100226.gene:17759989; -.
DR PaxDb; 100226-SCO2390; -.
DR PATRIC; fig|100226.15.peg.2431; -.
DR eggNOG; COG0304; Bacteria.
DR HOGENOM; CLU_000022_69_2_11; -.
DR InParanoid; Q9RDP7; -.
DR OrthoDB; 9808669at2; -.
DR PhylomeDB; Q9RDP7; -.
DR UniPathway; UPA00094; -.
DR Proteomes; UP000001973; Chromosome.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0004315; F:3-oxoacyl-[acyl-carrier-protein] synthase activity; IBA:GO_Central.
DR GO; GO:0006633; P:fatty acid biosynthetic process; IBA:GO_Central.
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; IPR014031; Ketoacyl_synth_C.
DR InterPro; IPR014030; Ketoacyl_synth_N.
DR InterPro; IPR020841; PKS_Beta-ketoAc_synthase_dom.
DR InterPro; IPR016039; Thiolase-like.
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; 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:UP000001973};
KW Transferase {ECO:0000256|PIRNR:PIRNR000447, ECO:0000256|RuleBase:RU003694}.
FT DOMAIN 5..428
FT /note="Ketosynthase family 3 (KS3)"
FT /evidence="ECO:0000259|PROSITE:PS52004"
FT ACT_SITE 176
FT /note="For beta-ketoacyl synthase activity"
FT /evidence="ECO:0000256|PIRSR:PIRSR000447-1"
SQ SEQUENCE 429 AA; 43841 MW; 983DC0F9800582BE CRC64;
MSSTNRTVVV TGIGATTPLG GDAASTWEGL VAGRSGVRPL EQEWAADQAV RIAAPAAVDP
SEVIPRPQAR RLDRSAQFAL IAAQEAWKDA GYAGKAGESP AEDGAAHVDP DRLGAVIASG
IGGVTTLLDQ YDVLKEKGVR RVSPHTVPML MPNGPSANVG LAVGARAGVH TPVSACASGA
EAIGYAIEMI RTGRADVVVA GGTEAAIHPL PIAAFGNMMA MSKNNDDPQG ASRPFDTARD
GFVLGEGAGV LVLESAEHAA ARGARVYAEA VGQGISADSH DIVQPEPEGR GISAALQNLL
DGNDLDPAEI VHVNAHATST PAGDIAELKA LRKVLGDDVD HMAVSGTKSM TGHLLGGAGG
VESVATVLAL YHRVAPPTIN VENLDPEAEA NADIVRGEAR KLPVEGRIAA LNDSFGFGGH
NVVLAFRSV
//
