The rotation around the backbone bonds of proteins can be described by the angles ? (the C?-N bond), ? (the C?-C bond), and ? (the N-C peptide bond). For each of these bonds, describe why only certain angles are allowable. (6 pts)
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Proteins are made up of amino acids, which are connected by peptide bonds between the carboxyl group of one amino acid and the amino group of the next amino acid. Show more…
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The rotation around the backbone bonds of proteins can be described by the angles Φ (the Cα-N bond), Ψ (the Cα-C bond), and ω (the N-C peptide bond). For each of these bonds, describe why only certain angles are allowable. (6 pts)
Madhur L.
The torsion angles (phi; psi) of the polypeptide backbone refer to the rotation of which pair of bonds? C-N and Ca-C Ca-N and Ca-R C-O and Ca-N Ca-R and Ca-C Ca-C and Ca-N a-amylose is a linear polymer of glucose with a(1->6) linkages a linear polymer of glucose with a(1->4) linkages a linear copolymer of glucose and galactose a linear polymer of glucose with B(1->4) linkages a branched polymer of glucose
Rotation about the phi bond connecting the amide nitrogen and the chiral carbon Within a polypeptide chain, different conformations of the polypeptide chain are possible to result in different protein structures. Choose the factor below that does NOT contribute to different conformations in polypeptide chains. rotation about the peptide bond connecting two amino acids. maximizing chemical properties of the R groups of amino acids within the polypeptide chain; these interactions are maximized due to the rotation of bond angles allowing some flexibility of the R-group within the overall protein structure.
Adi S.
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