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. Author manuscript; available in PMC: 2014 Mar 15.
Published in final edited form as: Biochem Pharmacol. 2012 Dec 19;85(6):839–848. doi: 10.1016/j.bcp.2012.11.018

Table 2.

Catalytic activities of the recombinant coho olfactory GST isoforms1.

Isoform CDNB DCNB ECA CuOOH 2-HEDS Methyl parathion*
GST rho 29,700 41 71 8 56 2.4
GST pi 1,236 6 124 BDL BDL <0.2 nmol/hr/mg
GST omega 71 1 12 BDL 61 <0.2 nmol/hr/mg

Key: 1-chloro-2,4-dinitrobenzene(CDNB), 1,2-dichloronitrobenzene (DCNB), ethacrynic acid (ECA), cumene hydroperoxide (CuOOH), and 2-diethylhexyl sulfide (2-HEDS). Units for GST enzymatic activities toward CDNB, DCNB, and ECA are nmol substrate conjugated/min/mg protein; GST-2-HEDS activity units are nmol 2-HEDS reduced/min/mg; GST-CuOOH units are nmol CuOOH reduced/min/mg: GST-methyl parathion units are nmol methyl parathion demethylated/hr/mg.

1

Data reported was obtained from three replicate analyses of enzymatic activities and displayed ≤10% variation.