1PYT
TERNARY COMPLEX OF PROCARBOXYPEPTIDASE A, PROPROTEINASE E, AND CHYMOTRYPSINOGEN C
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| B | 0004181 | molecular_function | metallocarboxypeptidase activity |
| B | 0006508 | biological_process | proteolysis |
| B | 0008270 | molecular_function | zinc ion binding |
| C | 0004252 | molecular_function | serine-type endopeptidase activity |
| C | 0005576 | cellular_component | extracellular region |
| C | 0005615 | cellular_component | extracellular space |
| C | 0006508 | biological_process | proteolysis |
| C | 0007586 | biological_process | digestion |
| D | 0004252 | molecular_function | serine-type endopeptidase activity |
| D | 0005576 | cellular_component | extracellular region |
| D | 0005615 | cellular_component | extracellular space |
| D | 0006508 | biological_process | proteolysis |
| D | 0008233 | molecular_function | peptidase activity |
| D | 0008236 | molecular_function | serine-type peptidase activity |
| D | 0016787 | molecular_function | hydrolase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CA C 650 |
| Chain | Residue |
| C | GLU470 |
| C | ASP472 |
| C | VAL475 |
| C | GLN477 |
| C | GLU480 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN B 350 |
| Chain | Residue |
| B | HIS69 |
| B | GLU72 |
| B | HIS196 |
| B | HOH351 |
Functional Information from PROSITE/UniProt
| site_id | PS00132 |
| Number of Residues | 23 |
| Details | CARBOXYPEPT_ZN_1 Zinc carboxypeptidases, zinc-binding region 1 signature. PaIwIdlGiHSrEwITQatgvwF |
| Chain | Residue | Details |
| B | PRO60-PHE82 |
| site_id | PS00133 |
| Number of Residues | 11 |
| Details | CARBOXYPEPT_ZN_2 Zinc carboxypeptidases, zinc-binding region 2 signature. HSYSQLLlYPY |
| Chain | Residue | Details |
| B | HIS196-TYR206 |
| site_id | PS00134 |
| Number of Residues | 6 |
| Details | TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC |
| Chain | Residue | Details |
| D | LEU753-CYS758 | |
| C | VAL453-CYS458 |
| site_id | PS00135 |
| Number of Residues | 12 |
| Details | TRYPSIN_SER Serine proteases, trypsin family, serine active site. SAcnGDSGGPLN |
| Chain | Residue | Details |
| D | SER889-ASN900 | |
| C | SER589-ASN600 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 93 |
| Details | Propeptide: {"description":"Activation peptide","featureId":"PRO_0000004343","evidences":[{"source":"PubMed","id":"5102489","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 293 |
| Details | Domain: {"description":"Peptidase M14","evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | Active site: {"description":"Proton donor/acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 7 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"12431056","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1IY7","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 3 |
| Details | Binding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12431056","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1IY7","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 239 |
| Details | Domain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 12 |
| Details | Propeptide: {"description":"Activation peptide","featureId":"PRO_0000288614","evidences":[{"source":"PubMed","id":"8907182","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 3 |
| Details | Active site: {"description":"Charge relay system","evidences":[{"evidenceCode":"ECO:0000250"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 1 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| D | HIS757 | |
| D | ASP802 | |
| D | SER895 |
| site_id | CSA10 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| C | SER595 | |
| C | GLY593 | |
| C | HIS457 | |
| C | SER614 | |
| C | ASP502 |
| site_id | CSA2 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| C | SER595 | |
| C | HIS457 | |
| C | ASP502 |
| site_id | CSA3 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| B | ARG127 | |
| B | GLU270 |
| site_id | CSA4 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| B | ARG71 | |
| B | GLU270 | |
| B | ARG127 |
| site_id | CSA5 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| C | SER595 | |
| C | GLY593 | |
| C | HIS457 | |
| C | ASP502 |
| site_id | CSA6 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| D | GLY893 | |
| D | HIS757 | |
| D | ASP802 | |
| D | SER895 |
| site_id | CSA7 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| C | SER595 | |
| C | HIS457 | |
| C | GLY596 | |
| C | ASP502 |
| site_id | CSA8 |
| Number of Residues | 4 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| D | HIS757 | |
| D | ASP802 | |
| D | GLY896 | |
| D | SER895 |
| site_id | CSA9 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a0j |
| Chain | Residue | Details |
| D | GLY893 | |
| D | HIS757 | |
| D | SER914 | |
| D | ASP786 | |
| D | SER895 |
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 171 |
| Chain | Residue | Details |
| B | HIS69 | metal ligand |
| B | GLU72 | metal ligand |
| B | ARG127 | electrostatic stabiliser, hydrogen bond donor |
| B | HIS196 | metal ligand |
| B | GLU270 | covalently attached, electrofuge, electrophile, hydrogen bond acceptor, hydrogen bond donor, nucleophile, proton acceptor, proton donor |
