Name three interactions that stabilize the shape of a soluble, globular protein

Question

Name three interactions that stabilize the shape of a soluble, globular protein and identify the structural features that allows for these interactions. a. disulfide linkages between the ends of two cysteine side chains B. peptide bonds between -COO^- and ~NH_3^+ groups C. dispersion forces between C = O of one peptide bond and N-H of another D. disulfide bonding between C = O of one peptide bond and N-H of another E. salt links between C = O of one peptide bond and N-H of another F. peptide bonding between the ends of two cysteine side chains G. dispersion forces between-COO^- and -NH_3^+ groups H. hydrogen bonding between the ends of two cysteine side chains I. hydrogen bonding between C = O of one peptide bond and N - H of another J. salt links between -COO6- and -NH_3^+ groups

Explanation / Answer

Three main interactions are

(i) Hydrogen bonding between of one peptide bond and NH of the another (H)

(ii) disulfide linkage bewteen ends of two cysteine side chains (A)

(iii) Salt links bewteen -COO* and NH3+ (J)

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