Bacterial Proteins 3 Binding Sites 3 Carbon Monoxide 3 Computer Simulation 3 Crystallography, X-Ray 3 Ligands 3 Mutagenesis, Site-Directed 3 Mycobacterium tuberculosis 3 Nitric Oxide 3 Oxygen 3 Phenylalanine 3 Protein Structure, Tertiary 3 Truncated Hemoglobins 3 alanine 3 article 3 conformational transition 3 controlled study 3 detoxification 3 dioxygenase 3 down regulation 3 enzyme activity 3 heme 3 isoleucine 3 ligand binding 3 molecular dynamics 3 mutant 3 mutational analysis 3 nitric oxide dioxygenase 3 nonhuman 3 oxidation 3