PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29346445-2 2018 The majority of disease-causing variants in COL3A1 are glycine substitutions and in-frame splice mutations in the triple helix domain that through a dominant negative effect are associated with the severe clinical spectrum potentially lethal of vEDS, characterized by fragility of soft connective tissues with arterial and organ ruptures. Glycine 55-62 collagen type III alpha 1 chain Homo sapiens 44-50