PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17993620-7 2007 Yeast hal2 mutants overaccumulate 3"-phosphoadenosine 5"-phosphate, which suppresses the 5"-->3" exoribonucleases Xrn1 and Rat1. adenosine 3'-phosphate-5'-phosphate 34-66 ssRNA exonuclease RAT1 Saccharomyces cerevisiae S288C 126-130