Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004869 | molecular_function | cysteine-type endopeptidase inhibitor activity |
| A | 0005576 | cellular_component | extracellular region |
| A | 0005615 | cellular_component | extracellular space |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0030414 | molecular_function | peptidase inhibitor activity |
| A | 0031982 | cellular_component | vesicle |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 116 |
| Chain | Residue |
| A | GLY7 |
| A | ARG61 |
| A | HOH159 |
| A | HOH230 |
Functional Information from PROSITE/UniProt
| site_id | PS00287 |
| Number of Residues | 14 |
| Details | CYSTATIN Cysteine proteases inhibitors signature. TQTVAGTNYrLTLK |
| Chain | Residue | Details |
| A | THR52-LYS65 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | Site: {"description":"Reactive site","evidences":[{"source":"UniProtKB","id":"P01040","evidenceCode":"ECO:0000250"}]} |