PDB ID: 1stf Macromolecule: PAPAINSTEFIN B (CYSTATIN B) Source Organism: Carica papayaHomo sapiens Pfam Annotation: PF00031(Cystatin)PF00112(Peptidase_C1) Ligand ID: CCS Drugbank ID: DB04339(Carbocisteine) HETATM residue: CCS E 25 No. of binding residues: 10 |