Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.7.1.1 (hexokinase)
5,274 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A new continuous spectrophotometric assay is demonstrated for Escherichia coli alanyl-tRNA synthetase. It involves beta-gamma adenylyl imidophosphate as a substitute for ATP in the pyrophosphate exchange reaction. The net conversion of beta-gamma adenylyl imidophosphate to ATP can be linked to NADP reduction by hexokinase and glucose-6-P dehydrogenase catalyzed reactions, which can be monitored at 340 nm. This assay can be extended to other aminoacyl-tRNA synthetases which can use beta-gamma nonhydrolyzable analogs of ATP as an ATP substitute.
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PMID:A continuous spectrophotometric assay for Escherichia coli alanyl-transfer RNA synthetase. 635 84