Rate of helix formation by intracellular procollagen and protocollagen. Evidence for a role for disulfide bonds.

Animals Carbon Radioisotopes Cells, Cultured Chick Embryo Collagen/metabolism Disulfides/metabolism Dithiothreitol/pharmacology Hydroxylation Kinetics Pepsin A Proline Protein Conformation/drug effects Protein Precursors Temperature Tendons/drug effects,metabolism Time Factors

Carbon Radioisotopes Disulfides Protein Precursors Collagen Proline Pepsin A Dithiothreitol