PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
8157695-2	1994	Procollagen I was isolated from cultured skin fibroblasts from a proband who was homozygous for a mutation in the COL1A2 gene that substituted a serine codon for a glycine codon at position 661 of the alpha 2(I) chain.	Glycine	164-171	collagen type I alpha 2 chain	Homo sapiens	114-120