PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3899725-6 1985 However, in the presence of glucuronate, glutamate, NADP and pyridoxal phosphate, pure GHB dehydrogenase, coupled to purified GABA-transaminase does produce GABA from GHB at an optimum pH close to the physiological value and with a low Km for GHB. NADP 52-56 4-aminobutyrate aminotransferase Rattus norvegicus 126-143