Chemical modifications to study mutations that affect the ability of the general base (E268) to function in human liver mitochondrial aldehyde dehydrogenase.

Abstract excerpt

The action of a general base is needed in two possible steps during the aldehyde dehydrogenase catalyzed oxidation of an aldehyde to an acid. The base is glutamate at position 268 in the cytosolic and mitochondrial class 1 and 2 enzyme. A chemical modification approach was undertaken to determine if the base were necessary in the initial attack of the nucleophilic cysteine (302) on the aldehyde as well as the...

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