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DeCS
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Descriptor English:
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Repressor Proteins
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Descriptor Spanish:
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Proteínas Represoras
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Descriptor Portuguese:
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Proteínas Repressoras
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Synonyms English:
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Lac Repressors
Repressor Molecules
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Tree Number:
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D12.776.930.700
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Definition English:
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Proteins which are normally bound to the operator locus of an operon, thereby preventing transcription of the structural genes. In enzyme induction, the substrate of the inducible enzyme binds to the repressor protein, causing its release from the operator and freeing the structural genes for transcription. In enzyme repression, the end product of the enzyme sequence binds to the free repressor protein, the resulting complex then binds to the operator and prevents transcription of the structural genes. |
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Indexing Annotation English:
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transcription factors; /biosyn /drug eff /physiol permitted
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History Note English:
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91(79); was see under TRANSCRIPTION FACTORS 1979-90
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Allowable Qualifiers English:
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Record Number:
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12518
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Unique Identifier:
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D012097
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Occurrence in VHL:
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Similar:
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DeCS CID-10 SciELO LILACS LIS
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