Glutathione S-transferases (GSTs) are a family of enzymes that play an important role in detoxification by catalyzing the conjugation of many hydrophobic and electrophilic compounds with reduced glutathione. Based on their biochemical , immunologic , and structural properties , the soluble GSTs are categorized into 4 main classes: alpha , mu , pi , and theta. This GST family member is a polymorphic gene encoding active , functionally different GSTP1 variant proteins that are thought to function in xenobiotic metabolism and play a role in susceptibility to cancer , and other diseases. [provided by RefSeq , Jul 2008] ,
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