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TLS Online TPP Program

#Id: 8495

When Psi is fixed at +165º. Clashes occur at all Phi angles except -70º to -170º. This range is in the beta strand region

#Unit 1. Molecules and their Interaction Relevant to Biology #Ramachandran Plot #Part B Pointers
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TLS Online TPP Program

#Id: 6363

#Unit 2. Cellular Organization

There are 4 genes (I, Z, Y, A), 2 Promoters and 3 lac operators in Lac operon

The major O1 lac operator lies adjacent to promoter

The O1 operator extends from position -5 just upstream of the mRNA start point to position +21 within the transcription unit.
TLS Online TPP Program

#Id: 6364

#Unit 2. Cellular Organization

Effects of mutations in the three lac operators All three operators are essential for effective repression.
TLS Online TPP Program

#Id: 6365

#Unit 2. Cellular Organization
TLS Online TPP Program

#Id: 6366

#Unit 2. Cellular Organization
TLS Online TPP Program

#Id: 6367

#Unit 2. Cellular Organization

This 21-bp sequence is twofold symmetric and is recognized by two subunits of Lac repressor, one binding to each half-site
TLS Online TPP Program

#Id: 6368

#Unit 2. Cellular Organization