(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)

The proton that was on histidinium His57 migrates to the peptide nitrogen of Thr253. Toggle display all Toggle center picture Fit to screen Interesting parts: His57 Gly193 Asp194 Ser195 Trp252 Thr253 H2O Toggle spin Toggle stereo