Teaching MPPSC Assistant Professor Mock Test Series 2025 Life Sciences Biochemistry Conformation of Proteins and Nucleic acids
In the representation of the di-peptide shown below, 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?
1
4 atoms; C1, N, Cα, C for ϕ; N, Cα, C, N+1 for ψ
2
2 atoms; N and Cα for ϕ; Cα and C for ψ
3
4 atoms; H, N, Cα, C for ϕ; N, Cα, C, O for ψ
4
3 atoms; C-1, N, Cα for ϕ; Cα, C, N+1 for ψ