PDB ID: 1rff Macromolecule: TOPOISOMERASE I-DERIVED PEPTIDETYROSYL-DNA PHOSPHODIESTERASE 1 Source Organism: Homo sapiens Pfam Annotation: PF06087(Tyr-DNA_phospho)no annotation Ligand ID: SPM Drugbank ID: DB00127(Spermine) HETATM residue: SPM A 700 No. of binding residues: 4 |