BiochemParadeofEnzymes

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Author:
victimsofadown
ID:
251250
Filename:
BiochemParadeofEnzymes
Updated:
2013-12-06 10:10:24
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BiochemParadeofEnzymes
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BiochemParadeofEnzymes
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BiochemParadeofEnzymes
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  1. Describe each enzyme w/ group and important information presented?
    • Amylase: Jodi and co (linking arms group)
    • specific and general acid/base
    • Citrate synthase:
    • general acid/base
    • galactokinase:
    • glutamine synthase: Unicorn group
    • Glutamate is P'd, but is ultimately removed to form Glutamine
    • hexosaminidase A (hex a):
    • General and specific acid/base
    • Urease: The Dusos (muggers)
    • Metal catalyzed, and general Acid/base
  2. What is the mechanism for the enzyme that your group presented.  Give a detailed answer, including important chemical structures.
    • Enzyme binds ATP and galactose
    • Asp186 (-) removes proton from OH on C-1
    • Newly nucleophilic O- on C-1 attacks Pi
    • ADP and G-1-P released
    • Asp186 releases H due to pKa

    *general base mechanism
  3. Give an example of an enzyme mechanism that has metal ion catalysis.
    Urease
  4. Give an example of an enzyme mechanism that has general acid catalysis.
    • Citrate synthase
    • Urease
  5. 5.  Give an example of an enzyme mechanism that has general base catalysis.
    • Citrate Synthase
    • Galactokinase
    • ?Glutamine synthetase
  6. Give an example of an enzyme mechanism that has covalent catalysis
    None/chymotrypsin only
  7. Give an example of an enzyme mechanism that has specific acid or specific base catalysis.
    • Hexosaminidase A
    • Amylase
  8. Which enzyme catalyzes a reaction that cleaves ATP, but phosphate is not on the final product?
    Glutamine synthetase
  9. Which enzyme catalyzes a condensation of a two carbon molecule and a four carbon molecule?
    Citrate synthase
  10. Which enzyme catalyzes a reaction that raises the pH for enhanced bacterial growth?
    Urease
  11. Which enzyme catalyzes a reaction removes a sugar from a ganglioside
    Hexosaminidase A
  12. Which enzyme cleaves an α(1-4) glycosidic linkage
    Amylase
  13. Which enzyme catalyzes a reaction that cleaves ATP, and phosphate is on the final product?
    Galactokinase

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