title: Histidinoalanine, a new crosslinking amino aicd, in calcified tissue collagen.
mesh_terms: D000596:Amino Acids / Q000032:analysis; D003094:Collagen / Q000032:analysis*; D003804:Dentin / Q000032:analysis*; D004151:Dipeptides / Q000032:analysis / Q000302:isolation & purification*; D006801:Humans; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry
chemical_list: D000596:Amino Acids; D004151:Dipeptides; C034124:histidinoalanine; D003094:Collagen