Noun
a crystalline amino acid obtained from gelatin or collagen
Source: WordNetLower proline and hydroxyproline contents are characteristic of cold-water, but not warm-water fish; the latter tend to have similar proline and hydroxyproline contents to mammals. Source: Internet
Proline or hydroxyproline constitute about 1/6 of the total sequence. Source: Internet
The most common motifs in the amino acid sequence of collagen are glycine proline -X and glycine-X-hydroxyproline, where X is any amino acid other than glycine, proline or hydroxyproline. Source: Internet
The OH group of hydroxyproline also participates in hydrogen bonding. Source: Internet
With glycine accounting for the 1/3 of the sequence, this means approximately half of the collagen sequence is not glycine, proline or hydroxyproline, a fact often missed due to the distraction of the unusual GX 1 X 2 character of collagen alpha-peptides. Source: Internet