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8G4U

Final ketosynthase+acyltransferase of the erythromycin modular polyketide synthase

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
Functional Information from PROSITE/UniProt
site_idPS00599
Number of Residues10
DetailsAA_TRANSFER_CLASS_2 Aminotransferases class-II pyridoxal-phosphate attachment site. TYGKSRGSSG
ChainResidueDetails
ATHR1810-GLY1819

site_idPS00606
Number of Residues17
DetailsKS3_1 Ketosynthase family 3 (KS3) active site signature. GPAvtVDtACSSSlvAL
ChainResidueDetails
AGLY1648-LEU1664

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsActive site: {"description":"Acyl-thioester intermediate; for beta-ketoacyl synthase 2 activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU01348","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsActive site: {"description":"For beta-ketoacyl synthase 2 activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU01348","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsActive site: {"description":"Acyl-ester intermediate; for acyltransferase 2 activity","evidences":[{"source":"PROSITE-ProRule","id":"PRU10022","evidenceCode":"ECO:0000255"}]}
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

247536

PDB entries from 2026-01-14

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