PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7053388-6 1982 The antibiotic tunicamycin was shown to inhibit [3H] glucosamine incorporation into microsomal vitellogenin by 70%, without any significant effect on the synthesis of the protein backbone. Tunicamycin 15-26 a1-a Xenopus laevis 95-107