Abstract
l-Leucine dipeptides can enhance lysyl-transfer ribonucleic acid ligase activity 15- to 20-fold in a mutant of Escherichia coli K-12. Evidence indicates the peptides act per se.
MeSH terms
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Aerobiosis
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Amino Acyl-tRNA Synthetases / biosynthesis*
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Cell-Free System
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Dipeptides / metabolism*
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Escherichia coli / enzymology*
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Escherichia coli / growth & development
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Escherichia coli / metabolism
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Glucose / metabolism
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Leucine
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Lysine
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Stereoisomerism
Substances
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Dipeptides
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Amino Acyl-tRNA Synthetases
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Leucine
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Glucose
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Lysine