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 keep the specificity pocket open neutralize the charge on the other's side chain function as a proton shuttle clamp the substrate into the active site keep the specificity pocket open neutralize the charge on the other's side chain ANSWER DOWNLOAD EXAMIANS APP
Enzymes Common feature in all serine proteases is a hydrophobic specificity pocket single reactive serine residue hydrophilic specificity pocket cluster of reactive serine residues hydrophobic specificity pocket single reactive serine residue hydrophilic specificity pocket cluster of reactive serine residues ANSWER DOWNLOAD EXAMIANS APP
Enzymes How is the enzyme COX-1 important in human health? It is a chemical derivative of aspirin It is critical for the biosynthesis of DNA It catalyzes the production of hormones that maintain the stomach lining It helps to transport carbon dioxide in the blood It is a chemical derivative of aspirin It is critical for the biosynthesis of DNA It catalyzes the production of hormones that maintain the stomach lining It helps to transport carbon dioxide in the blood ANSWER DOWNLOAD EXAMIANS APP
Enzymes The nucleophile in serine proteases is Serine Asparagine both (a) and (b) water Serine Asparagine both (a) and (b) water ANSWER DOWNLOAD EXAMIANS APP
Enzymes Which of the following (s) is/are serine proteases? Trypsin Chymotrypsin all of these Elastase Trypsin Chymotrypsin all of these Elastase 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 show specificity for certain amino acid sequences Both forms an acyl-enzyme intermediate Both require water to complete the catalytic cycle Both use nucleophilic attack to hydrolyze the peptide bond Both show specificity for certain amino acid sequences Both forms an acyl-enzyme intermediate Both require water to complete the catalytic cycle ANSWER DOWNLOAD EXAMIANS APP