5NTB
Streptomyces papain inhibitor (SPI)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| A | 0004869 | molecular_function | cysteine-type endopeptidase inhibitor activity |
| A | 0005576 | cellular_component | extracellular region |
| A | 0010466 | biological_process | negative regulation of peptidase activity |
| B | 0004867 | molecular_function | serine-type endopeptidase inhibitor activity |
| B | 0004869 | molecular_function | cysteine-type endopeptidase inhibitor activity |
| B | 0005576 | cellular_component | extracellular region |
| B | 0010466 | biological_process | negative regulation of peptidase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 7 |
| Details | binding site for residue SO4 A 201 |
| Chain | Residue |
| A | GLN6 |
| A | MET8 |
| A | ARG80 |
| A | HOH306 |
| A | HOH328 |
| B | TYR62 |
| B | ARG98 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | binding site for residue SO4 A 202 |
| Chain | Residue |
| A | ASP79 |
| A | HIS82 |
| A | HOH310 |
| A | HOH347 |
| A | LYS11 |
| A | CYS78 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 B 201 |
| Chain | Residue |
| B | LYS11 |
| B | CYS78 |
| B | ASP79 |
| B | HIS82 |
