PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3881753-0 1985 RAD6 gene of Saccharomyces cerevisiae encodes a protein containing a tract of 13 consecutive aspartates. Aspartic Acid 93-103 E2 ubiquitin-conjugating protein RAD6 Saccharomyces cerevisiae S288C 0-4