Browsing by Subject "Pyrimidines"
Now showing items 1-3 of 3
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(Texas A&M University. Libraries, 1986)Bacteriophage Mu dl(lac,Ap[superscript r]), a transposable element, was used to inactivate the pyrB gene by insertion. Derivatives of these pyrimidine auxotrophs were used to select the pyrB gene cloned pBR322. Three ...
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(Texas A&M University. Libraries, 1983)The enzyme aspartate transcarbamoylase, (ATCase, EC 2.1.3.2), from Escherichia coli is composed of six regulatory (r) and six catalytic (c) polypeptides with an architectural composition described as a 2(c(,3)):3(r(,2)) ...
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(Texas A&M University. Libraries, 1980)The relationship between intracellular enzymes involved in the utilization of uracil, uridine, and adenosine and the transport of these compounds by germinating conidia of Neurospora crassa was investigated. Crude extracts ...