Affiliation:
1. Department of Biochemistry, University of Chicago, Chicago, Illinois 60637
Abstract
Mutants of
Escherichia coli
K-12 defective in enzyme I or Hpr, the two common components of the phosphoenolpyruvate-dependent phosphotransferase system, were isolated by a simple, direct method. The
ptsI
locus, the structural gene for enzyme I, and the
ptsH
locus, the site of mutations leading to loss of Hpr activity, are adjacent genes and could be part of a single operon. These two genes lie between the
purC
and
supN
markers in the order:
strA... guaB-purC-ptsI-ptsH-supN-dsdA... his
.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Reference10 articles.
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2. Absence of phosphotransferasesystem components in mutant Escherichia coli K-12 with a disrupted carbohydrate-transfer system;Burd G. I.;Mol. Biol.,1968
3. Potassium-dependent mutants of Escherichia colt K-12;Epstein W.;J. Bacteriol.,1970
4. The role of a phosphoenolpyruvate-dependent kinase system in f-glucoside catabolism in Escherichia coli;Fox C. F.;Proc. Nat. Acad. Sci. U.S.A.,1968
5. Phosphate bound to histidine in a protein as an intermediate in a novel phosphotransferase system;Kundig W.;Proc. Nat. Acad. Sci. U.S.A.,1964
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