Article Binding Sites Coordination Complexes Humans Ligands Metalloporphyrins Models, Molecular Molecular Conformation Molecular Docking Simulation Molecular Dynamics Simulation Protein Binding Protoporphyrins Serum Albumin, Human Spectroscopy, Fourier Transform Infrared Spectrum Analysis Structure-Activity Relationship analytic method aqueous solution binding affinity binding site centrifugation chemistry conformation coordination compound dialysis feedback system ferric ion fluorescence resonance energy transfer human human serum albumin