Conversion of proline to hydroxyproline and its incorporation into collagen.
D003094:Collagen / Q000378:metabolism*; D006909:Hydroxyproline; D011392:Proline / Q000031:analogs & derivatives / Q000378:metabolism*
D003094:Collagen; D011392:Proline; D006909:Hydroxyproline
COLLAGEN/metabolism; PROLINE/metabolism; PROLINE/related compounds