PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31082217-5 2019 Because the exopolyphosphatase leaves one pyrophosphate per polyphosphate chain, the polyphosphate chain concentration is assayed by coupling the enzymes exopolyphosphatase (polyP into pyrophosphate), ATP sulfurylase (pyrophosphate into ATP), hexokinase (ATP into glucose 6-phosphate), and glucose 6-phosphate dehydrogenase (glucose 6-phosphate into NADPH), followed by fluorometric NADPH detection. Polyphosphates 85-98 glucose-6-phosphate dehydrogenase Saccharomyces cerevisiae S288C 290-323