PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7705967-6 1994 Our results demonstrate that the toxicity for target cells of streptonigrin conjugated to specific IgG was 25 times higher than that of the initial water soluble form of antibiotic. Streptonigrin 62-75 immunoglobulin heavy variable V1-62 Mus musculus 99-102