Glutathionylation and GRX activity easy to study
2013.05.30

Glutathionylation (the formation of a mixed disulfide with GSH)can be studied by products from IMCO. We also have a new unique kit for assays of glutaredoxin activity.

IMCO has DiEGSSG and GRX-04 as a products for studying glutathionylation. DiEGSSG or dieosine-diglutathione disulfide is fluoresent and can be used to label a protein┤s SH-group. The glutathionylated protein is visible in ultraviolet light on gelelectrophoresis and can be specifically deglutahionylated by E. coli GRX1C14S mutant protein ( GRX-04) in the presence of 1mM GSH and glutathione reductase plus NADPH. The reaction can be followed by the high fluorescence of released E-GSH(eosine-glutathione).
For easy and highly sensitive measurements of glutaredoxin activity use FkGRX-01 containing all components for pmol sensitivity in microtiter plate assays in 100 Ál volumes. Determine eg Grx activiy in 40 Ál plasma using the kit. Grx1 activity is a novel marker of oxidative stress.

FkGRX-01 (pdf, 164 kB)

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FkGSH-01 assay published

For more information about the FkGSH-01 kit see below.

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New Product and Price list

Imco has a new kit for high sensitivity measurements of GSH using a glutaredoxin-based method and fluorescent dieosin-GSSG.