PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29543922-10 2018 Also, a missense mutation in COL1A2 changing Gly Cys in the central part of the triple helical domain of the collagen type I molecule caused OI type III. Glycine 45-48 collagen type I alpha 2 chain Homo sapiens 29-35