A protein is highly unlikely to have both $\phi$ and $\Psi$ angles equal to zero degrees due to:
A) steric hindrance between the side chain and the peptide backbone.
B) polarity differences between adjacent side chains.
C) hydrophobic interactions between adjacent side chains.
D) steric hindrance between adjacent side chains.
E) too few van der Waals contacts for proper folding.

Question

A protein is highly unlikely to have both $\phi$  and $\Psi$ angles equal to zero degrees due to:
A) steric hindrance between the side chain and the peptide backbone.
B) polarity differences between adjacent side chains.
C) hydrophobic interactions between adjacent side chains.
D) steric hindrance between adjacent side chains.
E) too few van der Waals contacts for proper folding.

Quizplus · Accepted Answer

Steric hindrance between the side chain and the peptide backbone makes it highly unlikely for both the phi () and psi () angles to be zero degrees, as this would cause atoms to clash.

A Protein Is Highly Unlikely to Have Both ϕ\phiϕ And Ψ\PsiΨ Angles Equal to Zero Degrees Due To: A) Steric Hindrance

A Protein Is Highly Unlikely to Have Both $\phi$ And $\Psi$ Angles Equal to Zero Degrees Due To:
A) Steric Hindrance