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- An allosteric inhibitor does which of the following? Binds to an enzyme away from the active site and changes the conformation of the active site, increasing its affinity for substrate binding Binds to the active site and blocks it from binding substrate Binds to an enzyme away from the active site and changes the conformation of the active site, decreasing its affinity for the substrate Binds directly to the active site and mimics the substrate.I once got non specific and another time i got uncompetitive and anothe time i got transition state analog please put the right answer1. There are two major categories of enzyme, inhibition, name, and describe them.  1a. Reverse inhibition can be overcome to allow the enzyme to resume is Catley activities. Describe how reversible inhibition can occur and how it can be over come.
- 7. How does enzyme inhibition occur? Give and illustrate the reaction between enzyme and substrate in the three types of enzyme inhibition.In my text book, three types of inhibitions: 1, competitive inhibition 2. non-competitive inhibition 3. uncompetitive inhibition Reversible competitive inhibition is not listed on my text book although I understand your reasponing in your context. In my understanding, when we draw LB, it is always draw reversible line. If LB is not required, can I say this is competitive inhibition? what are the tips to memorize these three types of inhibition?Number 6 please
- Which irreversible inhibitor is also known as a substrate analog? O affinity label O transition-state analog O group-specific reagent O competitive inhibitor O suicide inhibitorPMSF is a molecule used in biochemical research. It inactivates serine proteases by binding covalently to the catalytic serine residue at the active site. Which kind of inhibition does PMSF do? Suicide Mixed O Competitive O Non-competitive39.
- Match the different names for inhibition mechanisms (1-5) with a description of their properties 7a-7d: 1. competitive inhibitor. 2. allosteric inhibitor also known as non-competitive inhibitor. 3. un-competitive inhibitor. 4. affinity label also known as active site directed covalent (irreversible) enzyme inhibitor. 5. Kcat inhibitor, also known as a mechanism-based covalent (irreversible) enzyme inhibitor. 4a. An enzyme inhibitor in which a substrate or competitive inhibitor is modified so that it contains a chemically reactive electrophile which can bind to and subsequently react with the enzyme active site: 4b. An enzyme inhibitor that contains latent reactive group that upon binding followed by catalytic turnover at the enzyme active site produces a reactive electrophile that reacts covalently with the enzyme: 4c. A reversible inhibitor that competes with the substrate for binding to the enzyme active site: 4d. A reversible inhibitor that can bind independently of substrate to its…2. To the right is a schematic diagram of His $7 the active site in the Michaelis complex of a-chy- motrypsin and a polypeptide substrate. Describe briefly the catalytic or structural roles of the residues listed below: но — Ser 195 (а) Ser195 AA,-C-ÇH-NH-C-ÇH -NH -AAn R R H H. 193 Gly Ser195 (b) His57 (c) NH groups of Gly193 and Ser195 (d) The most favorable side chain R for binding (e) Identify the scissile bond with an arrow, i.e., the bond in the peptide substrate that is cleaved as a result of the catalytic action of the enzyme. You can point to it on the diagram above.1.The class of enzyme that catalyzes addition of a group to a double bond is? oxidoreductases lyases ligases isomerases hydrolases transferases 2. Suppose an enzyme and its substrate obey the lock and key model of enzyme catalysis. Which of the following would be true of the enzyme? the active site of the enzyme must be rigid the active site of the enzyme must be flexible only one substrate could be converted to product by the enzyme the enzyme could bind different substrates if the substrates shared a common motif somewhere in their structures the entire enzyme must be rigid 3. Which of the following enzymes is found in blood serum and is diagnostic of prostate cancer if enzyme levels are elevated? alanine aminotransferase phosphohexose isomerase lactate dehydrogenase acid phosphatase alkaline phosphatase 4. A blood test returns elevated aspartate aminotransferase levels. You suspect that the patient has suffered a heart attack. What other serum enzyme level of…
