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Breif notes of tryptophan operon

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Breif notes of tryptophan operon

    • Posted by Piyush Jain 7 years, 5 months ago

    CBSE > Class 12 > Biology
    • 1 answers

    Yogita Ingle 7 years, 4 months ago

    The tryptophan operon is the regulation of transcription of the gene responsible for biosynthesis of tryptophan from chorismate.

    Tryptophan operon consists of structural gene and regulatory gene.

    I. Regulatory gene are Promoter, Repressor, Operater and Leader sequence.

    II. Structural gene are TrpE, TrpD, TrpC, TrpB and TrpA

    1. trpE: It enodes the enzyme Anthranilate synthase I
    2. trpD: It encodes the enzyme Anthranilate synthase II
    3. trpC: It encodes the enzyme N-5’-Phosphoribosyl anthranilate isomerase and Indole-3-glycerolphosphate synthase
    4. trpB: It encodes the enzyme tryptophan synthase-B sub unit
    5. trpA: It encode the enzyme tryptophan synthase-A sub unit

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