Version History for M0021
Version 1.0 => Created
Version 1.1 => Asp278 added to activate the Lysine to act as a base. Inferred return step added, with proton relay occurring through the Lys183. The distance between Tyr112 and Asp278 is 5.6 Angstroms, the distance between Asp278 and Lys183 is 3.4 Angstroms and 2.9 Angstroms between Lys and Tyr.
Version 2.2 => Changed EC number from 22.214.171.124 to 126.96.36.199, which is the correct EC number for the PDB code cited.