Chapter 8 Chem114A

Chapter 8 Chem114A - Protein Functions Structural (Chapter...

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Protein Functions • Structural (Chapter 2 and 3) • Binding (Chapter 7) • Catalysis (Chapter 8 and 9) • Switching (Chapter 10) 1 Sunday, November 20, 2011
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Chapter 8. Catalysis. Enzymes. 2 Sunday, November 20, 2011
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Protein Functions • Structural (Chapter 2 and 3) • Binding (Chapter 7) • Catalysis (Chapter 8 and 9) • Switching (Chapter 10) 3 Sunday, November 20, 2011
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• They are proteins that catalyze a reaction • They are highly specifc. • They enhance reaction rates. • Many require coFactors For catalysis. What is an enzyme? 4 Sunday, November 20, 2011
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For example: proteases catalyze the cleavage of the peptide bond 5 Sunday, November 20, 2011
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Carbonic anhydrase can hydrate a million molecules of carbon dioxide in one second 6 Sunday, November 20, 2011
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Classifcation oF enzymes 7 Sunday, November 20, 2011
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Cofactors 8 Some cofactors are metals. Some cofactors are complex organic or metalloorganic molecules, many times derived from vitamins. These cofactors are also called coenzymes. Sunday, November 20, 2011
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9 Sunday, November 20, 2011
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Some cofactors are metals. 10 Sunday, November 20, 2011
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Some cofactors are complex organic or metalloorganic molecules, many times derived from vitamins. 11 Sunday, November 20, 2011
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of energy into another form. For example, during photosynthesis light energy is converted into chemical bond energy or in the mitochondria energy from small molecules is converted into chemical energy in the form of ATP. 12
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This note was uploaded on 02/18/2012 for the course CHEM 114A 114A taught by Professor Viadiu during the Fall '08 term at UCSD.

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Chapter 8 Chem114A - Protein Functions Structural (Chapter...

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