title: The tyrosine ring of oxytocin undergoes hindered rotation when the hormone is bound to neurophysin.
mesh_terms: D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D009038:Motion; D009481:Neurophysins / Q000378:metabolism*; D010121:Oxytocin / Q000378:metabolism*; D011485:Protein Binding; D011487:Protein Conformation; D013696:Temperature; D014443:Tyrosine
chemical_list: D009481:Neurophysins; D014443:Tyrosine; D010121:Oxytocin