PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11948198-6 2002 LysoSensor Green DND-189 was used as a pH sensor to demonstrate unexpected changes in vacuolar acidification in stv1 triangle up as the Vph1p-containing V-ATPase complex is commonly considered to acidify the vacuoles. 4,4'-dinitro-2,2'-stilbenedisulfonic acid 17-20 H(+)-transporting V0 sector ATPase subunit a Saccharomyces cerevisiae S288C 136-141