Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/4Z6M 4Z6M: Structure of H200Q variant of Homoprotocatechuate 2,3-Dioxygenase from B.fuscum at 1.35 Ang... Homoprotocatechuate 2,3-dioxygenaseCALCIUM IONCHLORIDE IONFE (II) ION