PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20826817-5 2010 More recent experiments demonstrated that loss of the genes encoding the ATP-binding cassette transporter proteins Pdr5 and Yor1 elevated PHS tolerance. phytosphingosine 138-141 ATP-binding cassette multidrug transporter PDR5 Saccharomyces cerevisiae S288C 115-119