PDB ID: 2O1K
Metal site ID: 2O1K-CA-1
Bound amino acids or nucleotide residues: Q4
Group identifier: E2Q4
Is homomeric: True
Amino acid or nucleotide residue IDs: GLN A.123 GLN B.123
All ligands IDs: GLN A.123 GLN B.123
Number of coordinating amino acids or nucleotide residues: 4
Number of coordinating ligands: 4
Number of coordinating chains: 4
Number of coordinating chains: 4

Representative metal site in the group: 2O1K-CA-1
Similar binding_sites:

Metal site id	Bound amino acids	Bound ligands IDs
1G1I-CA-1	E2Q4	GLN A.123 GLN B.123 GLU A.120 HOH A.202
1G1J-SR-1	E2Q4	GLN A.123 GLN B.123 GLU B.120 HOH B.261
2O1J-CA-1	E2Q4	GLN A.123 GLN B.123 GLN C.123 GLN D.123 GLU B.120 GLU D.120