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TLS Online TPP Program

#Id: 2432

When the RNA polymerase reaches the termination site, rho first freezes the structure of the polymerase and then invades the exit channel to destabilize the enzyme, causing it to release the RNA.

#Unit 3. Fundamental Processes #Transcription elongation and termination #Part B Pointers
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TLS Online TPP Program

#Id: 8486

#Unit 1. Structure and Function of Biomolecules

All three kinds of bonds (N-Ca, Ca-Co, and the Co-N peptide bond) are single bonds.
TLS Online TPP Program

#Id: 8487

#Unit 1. Structure and Function of Biomolecules

Co and N atoms of the peptide grouping are both in planar sp2 hybridization and the Co and O atoms are linked by a p bond, leaving the nitrogen with a lone pair of electrons in a 2p orbital.
TLS Online TPP Program

#Id: 8488

#Unit 1. Structure and Function of Biomolecules

TLS Online TPP Program

#Id: 8489

#Unit 1. Structure and Function of Biomolecules

TLS Online TPP Program

#Id: 8490

#Unit 1. Structure and Function of Biomolecules

The coplanar relationship of the atoms in the amide group is highlighted as an imaginary
shaded plane lying between two successive a-carbon atoms in the peptide backbone.
TLS Online TPP Program

#Id: 8491

#Unit 1. Structure and Function of Biomolecules

The peptide bond is estimated to have 40% double bond character