. "B\u00E4chinger, HP"^^ . "Bruckner, P"^^ . "Timpl, R"^^ . "Engel, J"^^ . "PubMed"^^ . "710449"^^ . "Eur J Biochem 90:595-603"^^ . "Three conformationally distinct domains in the amino-terminal segment of type III procollagen and its rapid triple helix leads to and comes from coil transition"^^ . "1978"^^ .