Hemeproteins 10 hemoprotein 10 molecular dynamics 10 nitrophorin 10 Computer Simulation 8 Hydrogen-Ion Concentration 8 Proteins 8 Free energy 6 Models, Molecular 6 Molecular Dynamics Simulation 6 Molecular dynamics 6 Salivary Proteins and Peptides 6 article 6 chemistry 6 computer simulation 6 conformational transition 6 ligand 6 nitric oxide 6 pH 6 protein conformation 6 saliva protein 6 thermodynamics 6 unclassified drug 6 Kinetics 4 Ligands 4 Models, Chemical 4 Nitric Oxide 4 Porphyrins 4 Protein Conformation 4 Protein Structure, Tertiary 4