PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 374400-2 1979 We have characterized a recessive suppressor of dTMP uptake (sot1) that prevents strains carrying either tup1, tup2, or tup4 from growing on selective medium. 2',3'-dideoxy-2',3'-didehydrothymidine monophosphate 48-52 chromatin-silencing transcriptional regulator TUP1 Saccharomyces cerevisiae S288C 105-109