| PDB ID: 3ckk Macromolecule: TRNA(GUANINE-N(7)-)-METHYLTRANSFERASE Source Organism: Homo sapiens Pfam Annotation: PF02390(Methyltransf_4) Ligand ID: SAM Drugbank ID: DB00118(S-Adenosylmethionine) HETATM residue: SAM A 301 No. of binding residues: 12 |