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User:Amy Kerzmann/Sandbox 5

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What is the key catalytic residue of these enzymes?
What is the key catalytic residue of these enzymes?
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{ Serine|Ser195|S195 }
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{ Serine|serine|Ser195|S195 }
{Which of the following statements is false?
{Which of the following statements is false?

Revision as of 08:06, 10 February 2010

Serine Proteases

Family includes trypsin, chymotrypsin and elastase.


 
Chymotrypsin, resolution 2.00 Å ().

PDB ID 2cha

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Trypsin, resolution 1.34 Å ().

PDB ID 1aq7

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Elastase, resolution 1.78 Å ().

PDB ID 4est

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1.

What is the key catalytic residue of these enzymes?

2. Which of the following statements is false?

Trypsin contains an Asp residue, which selects for Arg and Lys substrates.
Chymotrypsin has a large deep binding pocket.
Elastase has two valines that provide steric hinderance.
None of the above; they are all true.

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Amy Kerzmann, Eric Martz

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