The presence of lysinal (2,6-diaminohexanal) in tropocollagen.
D000447:Aldehydes / Q000032:analysis*; D000605:Amino Alcohols / Q000032:analysis; D000818:Animals; D002247:Carbon Isotopes; D002625:Chemistry, Organic; D003094:Collagen / Q000032:analysis*; D004140:Dinitrophenols; D006358:Hot Temperature; D066298:In Vitro Techniques; D008239:Lysine; D055601:Organic Chemistry Phenomena; D011489:Protein Denaturation; D051381:Rats; D012867:Skin; D013057:Spectrum Analysis
D000447:Aldehydes; D000605:Amino Alcohols; D002247:Carbon Isotopes; D004140:Dinitrophenols; D003094:Collagen; D008239:Lysine