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2HG4

Structure of the ketosynthase-acyltransferase didomain of module 5 from DEBS.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
A0006633biological_processfatty acid biosynthetic process
A0016740molecular_functiontransferase activity
A0016746molecular_functionacyltransferase activity
B0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
B0006633biological_processfatty acid biosynthetic process
B0016740molecular_functiontransferase activity
B0016746molecular_functionacyltransferase activity
C0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
C0006633biological_processfatty acid biosynthetic process
C0016740molecular_functiontransferase activity
C0016746molecular_functionacyltransferase activity
D0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
D0006633biological_processfatty acid biosynthetic process
D0016740molecular_functiontransferase activity
D0016746molecular_functionacyltransferase activity
E0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
E0006633biological_processfatty acid biosynthetic process
E0016740molecular_functiontransferase activity
E0016746molecular_functionacyltransferase activity
F0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
F0006633biological_processfatty acid biosynthetic process
F0016740molecular_functiontransferase activity
F0016746molecular_functionacyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
DetailsBINDING SITE FOR RESIDUE ACT A 950
ChainResidue
AGLN560
AGLN614
ASER642
AGLN643
AARG667
ATYR742
ASER744
AHIS745

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 975
ChainResidue
ALEU499
AARG523
ASER498

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT B 950
ChainResidue
BGLN560
BGLN614
BSER642
BARG667
BTYR742
BSER744
BHIS745

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 B 975
ChainResidue
BASN497
BSER498
BLEU499
BARG523
BHOH999

site_idAC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL B 976
ChainResidue
BGLN565

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ACT C 950
ChainResidue
CGLN560
CGLN614
CSER642
CGLN643
CARG667
CSER744
CHIS745

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 C 975
ChainResidue
CLEU499
CARG523

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL C 976
ChainResidue
CTRP564

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT D 950
ChainResidue
DGLN614
DSER642
DGLN643
DARG667
DSER744
DHIS745

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ACT E 950
ChainResidue
EGLN614
ESER642
EGLN643
EARG667
ESER744
EHIS745

site_idBC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 E 975
ChainResidue
EASN497
ESER498
ELEU499
EARG523
EHOH1005

site_idBC3
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL E 976
ChainResidue
EGLN565

site_idBC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE ACT F 950
ChainResidue
FGLN560
FGLN614
FSER642
FGLN643
FARG667
FTYR742
FSER744
FHIS745

site_idBC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 F 975
ChainResidue
FASN497
FLEU499
FARG523

site_idBC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL F 976
ChainResidue
FTRP564
FGLN565

Functional Information from PROSITE/UniProt
site_idPS00606
Number of Residues17
DetailsKS3_1 Ketosynthase family 3 (KS3) active site signature. GPAmtVDtACSSGltAL
ChainResidueDetails
AGLY190-LEU206

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsActive site: {"description":"Acyl-thioester intermediate; for beta-ketoacyl synthase 1 activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU01348","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"16844787","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsActive site: {"description":"For beta-ketoacyl synthase 1 activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU01348","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsActive site: {"description":"Acyl-ester intermediate; for acyltransferase 1 activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU10022","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues12
DetailsSite: {"description":"Important for discrimination between malonyl and methylmalonyl polyketide chain extension units","evidences":[{"source":"PubMed","id":"16844787","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues
DetailsM-CSA 602
ChainResidueDetails

site_idMCSA2
Number of Residues
DetailsM-CSA 602
ChainResidueDetails

site_idMCSA3
Number of Residues
DetailsM-CSA 602
ChainResidueDetails

site_idMCSA4
Number of Residues
DetailsM-CSA 602
ChainResidueDetails

site_idMCSA5
Number of Residues
DetailsM-CSA 602
ChainResidueDetails

site_idMCSA6
Number of Residues
DetailsM-CSA 602
ChainResidueDetails

239803

PDB entries from 2025-08-06

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