title: The key role of residue 5 in angiotensin II.
mesh_terms: D000804:Angiotensin II / Q000031:analogs & derivatives* / Q000502:physiology; D002942:Circular Dichroism / Q000379:methods; D009682:Magnetic Resonance Spectroscopy / Q000379:methods; D011487:Protein Conformation; D013329:Structure-Activity Relationship
chemical_list: D000804:Angiotensin II