title: Replacement of the axial histidine heme ligand with cysteine in nitrophorin 1: spectroscopic and crystallographic characterization.
mesh_terms: D002942:Circular Dichroism; D018360:Crystallography, X-Ray; D003545:Cysteine / Q000378:metabolism*; D006418:Heme / Q000378:metabolism*; D006420:Hemeproteins / Q000737:chemistry* / Q000378:metabolism*; D006639:Histidine / Q000378:metabolism*; D008024:Ligands; D008958:Models, Molecular; D009154:Mutation; D011487:Protein Conformation; D015202:Protein Engineering; D012471:Salivary Proteins and Peptides / Q000737:chemistry* / Q000378:metabolism*; D013056:Spectrophotometry, Ultraviolet; D013059:Spectrum Analysis, Raman
chemical_list: D006420:Hemeproteins; D008024:Ligands; D012471:Salivary Proteins and Peptides; C090560:nitrophorin; D006418:Heme; D006639:Histidine; D003545:Cysteine