title: Characterization of a unique collagenous fraction from limited pepsin digests of human placental tissue: molecular organization of the native aggregate.
mesh_terms: D000478:Alkylation; D055598:Chemical Phenomena; D002621:Chemistry; D003094:Collagen / Q000302:isolation & purification*; D005260:Female; D006358:Hot Temperature; D006801:Humans; D003012:Microbial Collagenase; D010084:Oxidation-Reduction; D010434:Pepsin A; D010920:Placenta / Q000032:analysis*; D011247:Pregnancy; D011487:Protein Conformation; D011489:Protein Denaturation
chemical_list: D003094:Collagen; D010434:Pepsin A; D003012:Microbial Collagenase