1.
J Bacteriol
; 130(2): 951-3, 1977 May.
Article
in English
| MEDLINE
| ID: mdl-400801
ABSTRACT
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.