Binding to collagen, a group of fibrous proteins of very high tensile strength that form the main component of connective tissue in animals. Collagen is highly enriched in glycine (some regions are 33% glycine) and proline, occurring predominantly as 3-hydroxyproline (about 20%). [ GOC:ai https://www.worldcat.org/search?q=bn%3A0198506732 ]
This is just here as a test because I lose it