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Conformation(s) that has (have) both a favorable hydrogen bonding pattern and φ and ψ values that fall within the allowed Ramachandran conformational regions is (are) _.

A) α helix
B) collagen helix
C) β sheet
D) All of the above
E) None of the above

Respuesta :

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Answer:  A) α helix

                C) β sheet

Explanation:

it is used to visualise  the dihedral angles of amino acid residues in protein structure.

The R. plot  can be used to determine the secondary structure of proteins.it has 4 quadrant . in Quadrant l is the location of  left handed helices.Quadrants ll is  the location of beta strands , while right –handed alpha helices  occupied quadrant lll.

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