In a strain of Escherichia coli K-12 lacking threonine deaminase, the enzyme converting alpha-ketoisovalerate and alpha-keto-beta-methylvalerate to valine and isoleucine, respectively, was multivalently repressed by valine, isoleucine, and leucine. This activity was due to transaminase B, specified by the ilvE structural gene.
No takes yet. Share an insight, caveat, or question.
Kline et al. (1977) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: