(Modeling proteins) (Chymotrypsin Mechanism: Step 1, Step 2, Step 3, Step 4, Step 5, Step 6)

Transition state between Steps 2 and 3 of Chymotrypsin Mechanism:
The proton on His 57 migrates to the substrate peptide nitrogen atom on Thr 253

  (PDB file) (ARC file)


This is not a genuine transition state.  The reaction in going from Step 1 to
Step 4 would proceed through intermediate steps.

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Interesting parts:
His57 Gly193 Asp194 Ser195 Trp252
Thr253 H2O

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  Step 1 Step 2 Step 3 Step 4 Step 5 Step 6
Step 1          
Step 2        
Step 3      
Step 4    
Step 5  
Step 6


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