Abstract
AbstractA space‐filling model of collagen has been constructed in accordance with the conformation found for (Gly.Pro.Pro)n. The model shows that leucyl and phenylalanyl residues can be easily accommodated at position X of the collagen tripeptide sequence Gly.X.Y, but are severely constrained by steric hindrance at position Y. Examination of the model has also led to the suggestion that hydrogen bonding of hydroxyproline OH through a water molecule to glycyl CO on the same polypeptide chain might account for the stabilisation of the triple helix conformation by hydroxyproline.
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