PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6673106-5 1983 Replacement of sulfuric acid by a sodium acetate buffer (pH 4) as a leaching solution prior to analysis with the diphenylcarbazide (DPC) method is suggested and is demonstrated to be necessary in order to avoid reduction. Sodium Acetate 34-48 prolyl 4-hydroxylase, transmembrane Homo sapiens 57-61