Actinomycetales Bacillus Subtilis Bacillus subtilis Bacterial Proteins Bacteriology Bearing-only Binding energy Binding parameter Binding properties Biochemistry Bound ligands Classical molecular dynamics Coordination reactions Cysteine biosynthesis Escherichia coli Escherichia coli cells Experimental data Ferric iron HOMEOSTASIS Hemoglobin High affinity Hydrogen Hydrogen bonding stabilization Hydrogen bonds Hydrogen sulfide Kinetic barrier Kinetic study Kinetics Lucina pectinata Molecular Dynamics Simulation