Question

1)Explain the structure of tryphtophan operon and how this operon is regulated at the low and high concentration of tryphtophan.

2) Is individual contact of DNA- protein, weak or strong?

3) Is overall DNA-Protein interaction specific and strong?

Answer 1

* sontion * ♡ The Staucrache of farip opecron 8 139 poly madresse NO - Toanscoziphon. a I p c pe iu maloose lo 2pf v2-0 198-[1508-]]Tap.A] -X ) E Turp-O 132P INOP-BITOP-A Jarip acreceptock cacrive) & The Taip operon includes five genes. That encode enzymes. needed fod toy propheme. biosyo Thesis along with a pascamoted CRNA polymarose binding. site) and The Op qozeltock cbinding site food a sepeessoor pesotein) ... The coding segel9nce in The m-RhA are Teromsiated seper frely earch one producing a protein. The Torp opedon is exparessed creamed "onz") chen. Tryptophan layers close low and qe por essed Cizioned "OFF") when they quhe hign. The Torp operon is regtigted by Torp. repressoa when hound to fry prophan, The Tap separessous brochas expression of the operon (2) Alin0299, each individual). Contact is wecie The 20 or so concicts. That care typically Foormed at the protein-DNA interface add. to gather to ensure their The interaction is both highly specific and vedy sterong.

(3) The clffinity of profein for its DNA binding, site is a Rinction of a number and strength of electos o Static and hydrophobic interaction between the protein and The DNA. A 19agar binding site can provide a stronger inesaction between DNA and a protein Thanasmaurer site,