PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6342609-0 1983 Amino acid sequence of the Bb fragment from human complement Factor B. boeravinone B 27-29 complement factor B Homo sapiens 50-69 19890040-1 2009 Complement factor B (fB) circulates in plasma as a proenzyme that, upon binding to C3b in the presence of Mg(2+), is cleaved by factor D to produce Ba and Bb fragments. boeravinone B 155-157 complement factor B Homo sapiens 0-19 6342610-0 1983 Amino acid sequence of the Bb fragment from complement Factor B. boeravinone B 27-29 complement factor B Homo sapiens 44-63