2HG4
Structure of the ketosynthase-acyltransferase didomain of module 5 from DEBS.
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004315 | molecular_function | 3-oxoacyl-[acyl-carrier-protein] synthase activity |
| A | 0006633 | biological_process | fatty acid biosynthetic process |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016746 | molecular_function | acyltransferase activity |
| B | 0004315 | molecular_function | 3-oxoacyl-[acyl-carrier-protein] synthase activity |
| B | 0006633 | biological_process | fatty acid biosynthetic process |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016746 | molecular_function | acyltransferase activity |
| C | 0004315 | molecular_function | 3-oxoacyl-[acyl-carrier-protein] synthase activity |
| C | 0006633 | biological_process | fatty acid biosynthetic process |
| C | 0016740 | molecular_function | transferase activity |
| C | 0016746 | molecular_function | acyltransferase activity |
| D | 0004315 | molecular_function | 3-oxoacyl-[acyl-carrier-protein] synthase activity |
| D | 0006633 | biological_process | fatty acid biosynthetic process |
| D | 0016740 | molecular_function | transferase activity |
| D | 0016746 | molecular_function | acyltransferase activity |
| E | 0004315 | molecular_function | 3-oxoacyl-[acyl-carrier-protein] synthase activity |
| E | 0006633 | biological_process | fatty acid biosynthetic process |
| E | 0016740 | molecular_function | transferase activity |
| E | 0016746 | molecular_function | acyltransferase activity |
| F | 0004315 | molecular_function | 3-oxoacyl-[acyl-carrier-protein] synthase activity |
| F | 0006633 | biological_process | fatty acid biosynthetic process |
| F | 0016740 | molecular_function | transferase activity |
| F | 0016746 | molecular_function | acyltransferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE ACT A 950 |
| Chain | Residue |
| A | GLN560 |
| A | GLN614 |
| A | SER642 |
| A | GLN643 |
| A | ARG667 |
| A | TYR742 |
| A | SER744 |
| A | HIS745 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 975 |
| Chain | Residue |
| A | LEU499 |
| A | ARG523 |
| A | SER498 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ACT B 950 |
| Chain | Residue |
| B | GLN560 |
| B | GLN614 |
| B | SER642 |
| B | ARG667 |
| B | TYR742 |
| B | SER744 |
| B | HIS745 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 B 975 |
| Chain | Residue |
| B | ASN497 |
| B | SER498 |
| B | LEU499 |
| B | ARG523 |
| B | HOH999 |
| site_id | AC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL B 976 |
| Chain | Residue |
| B | GLN565 |
| site_id | AC6 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE ACT C 950 |
| Chain | Residue |
| C | GLN560 |
| C | GLN614 |
| C | SER642 |
| C | GLN643 |
| C | ARG667 |
| C | SER744 |
| C | HIS745 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 C 975 |
| Chain | Residue |
| C | LEU499 |
| C | ARG523 |
| site_id | AC8 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL C 976 |
| Chain | Residue |
| C | TRP564 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE ACT D 950 |
| Chain | Residue |
| D | GLN614 |
| D | SER642 |
| D | GLN643 |
| D | ARG667 |
| D | SER744 |
| D | HIS745 |
| site_id | BC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE ACT E 950 |
| Chain | Residue |
| E | GLN614 |
| E | SER642 |
| E | GLN643 |
| E | ARG667 |
| E | SER744 |
| E | HIS745 |
| site_id | BC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 E 975 |
| Chain | Residue |
| E | ASN497 |
| E | SER498 |
| E | LEU499 |
| E | ARG523 |
| E | HOH1005 |
| site_id | BC3 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL E 976 |
| Chain | Residue |
| E | GLN565 |
| site_id | BC4 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE ACT F 950 |
| Chain | Residue |
| F | GLN560 |
| F | GLN614 |
| F | SER642 |
| F | GLN643 |
| F | ARG667 |
| F | TYR742 |
| F | SER744 |
| F | HIS745 |
| site_id | BC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 F 975 |
| Chain | Residue |
| F | ASN497 |
| F | LEU499 |
| F | ARG523 |
| site_id | BC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE CL F 976 |
| Chain | Residue |
| F | TRP564 |
| F | GLN565 |
Functional Information from PROSITE/UniProt
| site_id | PS00606 |
| Number of Residues | 17 |
| Details | KS3_1 Ketosynthase family 3 (KS3) active site signature. GPAmtVDtACSSGltAL |
| Chain | Residue | Details |
| A | GLY190-LEU206 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 6 |
| Details | ACT_SITE: Acyl-thioester intermediate; for beta-ketoacyl synthase 1 activity => ECO:0000255|PROSITE-ProRule:PRU01348, ECO:0000305|PubMed:16844787 |
| Chain | Residue | Details |
| A | CYS199 | |
| B | CYS199 | |
| C | CYS199 | |
| D | CYS199 | |
| E | CYS199 | |
| F | CYS199 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 12 |
| Details | ACT_SITE: For beta-ketoacyl synthase 1 activity => ECO:0000255|PROSITE-ProRule:PRU01348 |
| Chain | Residue | Details |
| A | HIS334 | |
| E | HIS374 | |
| F | HIS334 | |
| F | HIS374 | |
| A | HIS374 | |
| B | HIS334 | |
| B | HIS374 | |
| C | HIS334 | |
| C | HIS374 | |
| D | HIS334 | |
| D | HIS374 | |
| E | HIS334 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 6 |
| Details | ACT_SITE: Acyl-ester intermediate; for acyltransferase 1 activity => ECO:0000255|PROSITE-ProRule:PRU10022 |
| Chain | Residue | Details |
| A | GLN643 | |
| B | GLN643 | |
| C | GLN643 | |
| D | GLN643 | |
| E | GLN643 | |
| F | GLN643 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 12 |
| Details | SITE: Important for discrimination between malonyl and methylmalonyl polyketide chain extension units => ECO:0000305|PubMed:16844787 |
| Chain | Residue | Details |
| A | GLY644 | |
| E | SER744 | |
| F | GLY644 | |
| F | SER744 | |
| A | SER744 | |
| B | GLY644 | |
| B | SER744 | |
| C | GLY644 | |
| C | SER744 | |
| D | GLY644 | |
| D | SER744 | |
| E | GLY644 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | |
| Details | M-CSA 602 |
| Chain | Residue | Details |
| site_id | MCSA2 |
| Number of Residues | |
| Details | M-CSA 602 |
| Chain | Residue | Details |
| site_id | MCSA3 |
| Number of Residues | |
| Details | M-CSA 602 |
| Chain | Residue | Details |
| site_id | MCSA4 |
| Number of Residues | |
| Details | M-CSA 602 |
| Chain | Residue | Details |
| site_id | MCSA5 |
| Number of Residues | |
| Details | M-CSA 602 |
| Chain | Residue | Details |
| site_id | MCSA6 |
| Number of Residues | |
| Details | M-CSA 602 |
| Chain | Residue | Details |
