https://www.ncbi.nlm.nih.gov/Structure/pdb/2XSO
2XSO: CRYSTAL STRUCTURE OF P4 VARIANT OF BIPHENYL DIOXYGENASE FROM BURKHOLDERIA XENOVORANS LB400
BIPHENYL DIOXYGENASE SUBUNIT ALPHABIPHENYL DIOXYGENASE SUBUNIT BETAFE (II) IONFE2/S2 (INORGANIC) CLUSTER
crystal structure