title: Trans-hydroxyproline is not incorporated into collagen.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002356:Cartilage / Q000196:embryology / Q000378:metabolism*; D002642:Chick Embryo; D002852:Chromatography, Ion Exchange; D003094:Collagen / Q000096:biosynthesis*; D006909:Hydroxyproline / Q000378:metabolism*; D066298:In Vitro Techniques; D011392:Proline / Q000378:metabolism; D013237:Stereoisomerism; D013977:Tibia
chemical_list: D002247:Carbon Isotopes; D003094:Collagen; D011392:Proline; D006909:Hydroxyproline