2ABZ
Crystal structure of C19A/C43A mutant of leech carboxypeptidase inhibitor in complex with bovine carboxypeptidase A
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004181 | molecular_function | metallocarboxypeptidase activity |
| A | 0006508 | biological_process | proteolysis |
| A | 0008270 | molecular_function | zinc ion binding |
| B | 0004181 | molecular_function | metallocarboxypeptidase activity |
| B | 0006508 | biological_process | proteolysis |
| B | 0008270 | molecular_function | zinc ion binding |
| C | 0004857 | molecular_function | enzyme inhibitor activity |
| C | 0030414 | molecular_function | peptidase inhibitor activity |
| D | 0004857 | molecular_function | enzyme inhibitor activity |
| D | 0030414 | molecular_function | peptidase inhibitor activity |
| E | 0004857 | molecular_function | enzyme inhibitor activity |
| E | 0030414 | molecular_function | peptidase inhibitor activity |
| F | 0004857 | molecular_function | enzyme inhibitor activity |
| F | 0030414 | molecular_function | peptidase inhibitor activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN A 1001 |
| Chain | Residue |
| A | HIS69 |
| A | GLU72 |
| A | HIS196 |
| C | VAL66 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN B 1002 |
| Chain | Residue |
| B | HIS69 |
| B | GLU72 |
| B | HIS196 |
| E | VAL66 |
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 |
| A | PRO60-PHE82 |
| site_id | PS00133 |
| Number of Residues | 11 |
| Details | CARBOXYPEPT_ZN_2 Zinc carboxypeptidases, zinc-binding region 2 signature. HSYSQLLlYPY |
| Chain | Residue | Details |
| A | HIS196-TYR206 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | SITE: Interaction with carboxypeptidase => ECO:0000250 |
| Chain | Residue | Details |
| C | VAL66 | |
| D | VAL66 | |
| E | VAL66 | |
| F | VAL66 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 6 |
| Details | BINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU01379, ECO:0000269|PubMed:12431056, ECO:0007744|PDB:1IY7 |
| Chain | Residue | Details |
| A | HIS69 | |
| A | GLU72 | |
| A | HIS196 | |
| B | HIS69 | |
| B | GLU72 | |
| B | HIS196 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 8 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:12431056, ECO:0007744|PDB:1IY7 |
| Chain | Residue | Details |
| A | ARG127 | |
| A | ASN144 | |
| A | SER197 | |
| A | TYR248 | |
| B | ARG127 | |
| B | ASN144 | |
| B | SER197 | |
| B | TYR248 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 171 |
| Chain | Residue | Details |
| A | HIS69 | metal ligand |
| A | GLU72 | metal ligand |
| A | ARG127 | electrostatic stabiliser, hydrogen bond donor |
| A | HIS196 | metal ligand |
| A | GLU270 | covalently attached, electrofuge, electrophile, hydrogen bond acceptor, hydrogen bond donor, nucleophile, proton acceptor, proton donor |
| site_id | MCSA2 |
| 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 |
