When cellular iron concentrations return to normal levels, IRP1 is converted to aconitase, and IRP2 undergoes proteolytic degradation, ending the low-iron response.

TLS Online TPP Program

#Id: 8490

#Unit 1. Molecules and their Interaction Relevant to Biology

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. Molecules and their Interaction Relevant to Biology

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

TLS Online TPP Program

#Id: 8492

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 8493

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 8495

#Unit 1. Molecules and their Interaction Relevant to Biology

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

TLS Online TPP Program

#Id: 8496

#Unit 1. Molecules and their Interaction Relevant to Biology

When Phi is fixed at -80º. Clashes occur at all Psi angles except:

+10 to -55º (alpha helix)

+90 to 180 (beta strand