PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 2835101-4 1988 At 20 degrees C, in the presence of 1 mM RbCl and no Mg2+, acetyl phosphate did not affect E2(Rb); with 3 mM MgCl2, acetyl phosphate stimulated a release of Rb from E2(Rb) both in the presence and absence of RbCl in the incubation mixture. acetyl phosphate 116-132 cystatin 12, pseudogene Homo sapiens 165-171