PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11911775-5 2002 It has been suggested that these hydrophobic domains, predominantly containing glycine, proline, leucine and valine, often occurring in tandemly repeated sequences, are responsible for the ability of elastin to align monomeric chains for covalent cross-linking. Glycine 79-86 elastin Homo sapiens 200-207