Phosphoglucoisomerase: Difference between revisions

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The proposed reaction mechanism of PGI for the conversion of glucose-6-phosphate to fructose 6-phosphate involves an acid/base catalysis by the enzyme.
The proposed reaction mechanism of PGI for the conversion of glucose-6-phosphate to fructose 6-phosphate involves an acid/base catalysis by the enzyme.


Step 1 The substrate binds to the enzyme.
Step 2 The residue Lys518 or His388b acts as an enzymatic acid catalazyng the opening of the ring.
[[Image:Mech.png]]
[[Image:Mech.png]]