Enzymes The role of Asp 102 and His 57 during trypsin catalysis is to function as a proton shuttle clamp the substrate into the active site neutralize the charge on the other's side chain keep the specificity pocket open function as a proton shuttle clamp the substrate into the active site neutralize the charge on the other's side chain keep the specificity pocket open ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is water both (a) and (b) Asparagine Serine water both (a) and (b) Asparagine Serine ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the common features are shared between serine and aspartate proteases? Both show specificity for certain amino acid sequences Both use a base to activate the nucleophile All of these Both require water to complete the catalytic cycle Both show specificity for certain amino acid sequences Both use a base to activate the nucleophile All of these Both require water to complete the catalytic cycle ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following is false statement with regard to comparison between Serine and HIV proteases? Both forms an acyl-enzyme intermediate Both show specificity for certain amino acid sequences Both use nucleophilic attack to hydrolyze the peptide bond Both require water to complete the catalytic cycle Both forms an acyl-enzyme intermediate Both show specificity for certain amino acid sequences Both use nucleophilic attack to hydrolyze the peptide bond Both require water to complete the catalytic cycle ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following (s) is/are serine proteases? Chymotrypsin Elastase Trypsin all of these Chymotrypsin Elastase Trypsin all of these ANSWER DOWNLOAD EXAMIANS APP
Enzymes Tryprotophan synthetase of E.coli, a typical bifunctional oligomeric enzyme consist of a protein designated B a protein designated A two proteins designated A and B a protein A and one-subunit a a protein designated B a protein designated A two proteins designated A and B a protein A and one-subunit a ANSWER DOWNLOAD EXAMIANS APP
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