PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20667861-7 2011 RESULTS: C1q, C4b, C3b and C5b-9 were deposited on GM1-coated wells. G(M1) Ganglioside 51-54 endogenous retrovirus group K member 3 Homo sapiens 19-22