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User:John S. de Banzie/Sandbox 2
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<scene name='59/590622/3cpacatalysis/1'>Catalysis</scene><ref name="quiocho"/> involves electron withdrawal from the carbonyl of the penultimate residue (in this case, Gly) by the zinc ion and an arginyl residue, and acid-base catalysis by a glutamyl residue of a nucleophilic attack on that same group. | <scene name='59/590622/3cpacatalysis/1'>Catalysis</scene><ref name="quiocho"/> involves electron withdrawal from the carbonyl of the penultimate residue (in this case, Gly) by the zinc ion and an arginyl residue, and acid-base catalysis by a glutamyl residue of a nucleophilic attack on that same group. | ||
| - | (X-ray crystallography with intact substrate was possible because Gly-Tyr is hydrolyzed very slowly and because X-ray crystallography was carried out at - | + | (X-ray crystallography with intact substrate was possible because Gly-Tyr is hydrolyzed very slowly and because X-ray crystallography was carried out at -9°C.) |
</StructureSection> | </StructureSection> | ||
== References == | == References == | ||
<references/> | <references/> | ||
Revision as of 15:03, 13 June 2014
Carboxypeptidase A with Substrate
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