PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 647446-14 1978 Related studies have shown that citrate removed calcium bound by PPG; N6-substituted adenines were bound by PPG while three polyphosphorylated dinucleosides, HS3, HS2, and HS1, were displaced from it. Citric Acid 32-39 tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein theta Homo sapiens 172-175