Biology · Biochemistry
In the representation of a di-peptide, the superscript '-1' denotes the atom of the previous amino acid while '+1' denotes the atom of the next amino acid. The atomic coordinates of how many and which of the following atoms are required to uniquely define the torsion angles, φ and ψ of the Ramachandran plot?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13 atoms; C -1 , N, C α for φ; C α , C, N +1 for ψ
- 24 atoms; H, N, C α , C for φ; N, C α , C, O for ψ
- 32 atoms; N and C α for φ; C α and C for ψ
- 44 atoms; C -1 , N, C α , C for φ; N, C α , C, N +1 for ψ✓
Correct answer
4 atoms; C -1 , N, C α , C for φ; N, C α , C, N +1 for ψ
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