PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16652969-5 1992 Unactivated nicotinamide adenine dinucleotide phosphate-malate dehydrogenase was found to contain approximately two SH groups per subunit, increasing to about four SH per subunit after pretreatment with 2-mercaptoethanol and six SH per subunit after activation by incubating the enzyme with dithiothreitol. Mercaptoethanol 203-220 LOC100856934 Zea mays 56-76