Abstract
The bacteriophage lambda repressor protein can activate or repress transcription. Amino-acid substitutions in the sigma subunit of RNA polymerase affect repressor-stimulated transcription, shedding light on the activation process.
MeSH terms
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DNA-Binding Proteins*
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DNA-Directed RNA Polymerases / genetics
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DNA-Directed RNA Polymerases / metabolism
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Escherichia coli / genetics
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Escherichia coli / metabolism
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Models, Genetic
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Repressor Proteins / metabolism
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Sigma Factor / genetics
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Sigma Factor / metabolism
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Transcriptional Activation*
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Viral Proteins
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Viral Regulatory and Accessory Proteins
Substances
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DNA-Binding Proteins
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Repressor Proteins
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Sigma Factor
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Viral Proteins
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Viral Regulatory and Accessory Proteins
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phage repressor proteins
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DNA-Directed RNA Polymerases