PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22612479-4 2012 Multiple examples are provided with full characterization and analyses, including a novel aza-variant of the C-O-D ring system of vancomycin. Vancomycin 130-140 small nuclear ribonucleoprotein polypeptides B and B1 Homo sapiens 109-114