Enzymes Which of the following (s) is/are serine proteases? Trypsin all of these Chymotrypsin Elastase Trypsin all of these Chymotrypsin Elastase ANSWER DOWNLOAD EXAMIANS APP
Enzymes The cleavage specificity of trypsin and chymotrypsin depend in part on the proximity of Ser 195 to the active site or specificity pocket absence of water in the active site presence of a low-barrier hydrogen bond in the active site or specificity pocket size, shape, and charge of the active site or specificity pocket proximity of Ser 195 to the active site or specificity pocket absence of water in the active site presence of a low-barrier hydrogen bond in the active site or specificity pocket size, shape, and charge of the active site or specificity pocket ANSWER DOWNLOAD EXAMIANS APP
Enzymes The proteolysis rate enhancement by chymotrypsin (~1010 folds) corresponds to a reduction in activation energy of about 58 kJ/mol 49 kJ/mol 40 kJ/mol 88 kJ/mol 58 kJ/mol 49 kJ/mol 40 kJ/mol 88 kJ/mol ANSWER DOWNLOAD EXAMIANS APP
Enzymes What is the specificity of the Clostripain protease? It cleave after His residues It cleave after Arg residues It cleave after Lys residues None of these It cleave after His residues It cleave after Arg residues It cleave after Lys residues None of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Asparagine water both (a) and (b) Serine Asparagine water both (a) and (b) Serine ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following is false statement with regard to comparison between Serine and HIV proteases? Both use nucleophilic attack to hydrolyze the peptide bond Both forms an acyl-enzyme intermediate Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle Both use nucleophilic attack to hydrolyze the peptide bond Both forms an acyl-enzyme intermediate Both show specificity for certain amino acid sequences Both require water to complete the catalytic cycle ANSWER DOWNLOAD EXAMIANS APP
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