PDB ID:4L76 Metal site ID: 4L76-CA-3 Bound amino acids or nucleotide residues: E1R1 Group identifier: D1E2G1R1S1 Is homomeric: True Amino acid or nucleotide residue IDs: ARG D.241 GLU C.266 All ligands IDs: ARG D.241 GLU C.266 Number of coordinating amino acids or nucleotide residues: 2 Number of coordinating ligands: 2 Number of coordinating chains: 2 Number of coordinating chains: 2