GLRX3 (Glutaredoxin-3, PKC-interacting Cousin of Thioredoxin, PICOT, PKC-theta-interacting Protein, PKCq-interacting Protein, Thioredoxin-like Protein 2, PICOT, TXNL2, HUSSY-22)

GLRX3 (Glutaredoxin3? also PICOT, PKC-theta-interacting protein, and Thioredoxin-like protein 2/TXNL2) is a 37-40kD member of the multidomain subgroup, monothiol glutaredoxin group of glutaredoxin/GTX proteins. It has widespread expression, but is not found ubiquitously. Cells known to express cytosolic GLRX3 are principally epithelial in type, and include breast and adrenal epithelium, pancreatic exocrine gland epithelium, and proximal tubule renal epithelium. Cardiac muscle may also expresses GLRX3. The function of GLRX3 is not clear. By inference, it is suggested to be involved in cell proliferation, and has also been associated with both PKC-theta regulation and MLP/muscle LIM protein mediated cardiac contractility. Human GLRX3 is 335aa in length. It contains an N-terminal thioredoxin-like domain (aa2-117) that is followed by two PICOT homology domains (aa144-236, 237-335). The thioredoxin domain does not possess a typical disulfide, and it is suggested that this domain does not demonstrate redox activity. The PICOT domains will interact with intracellular proteins. GLRX3 exists as both a monomer and homodimer, with the homodimer incorporating two Fe/S clusters into their PICOT domains. These clusters serve as redox sensors within the cell. Over aa126-294, human GLRX3 shares 98% aa sequence identity with mouse GLRX3.\n\nApplications:\nSuitable for use in Western Blot. Other applications not tested.\n\nRecommended Dilution:\nWestern Blot: 1ug/ml\nOptimal dilutions to be determined by the researcher.\n\nStorage and Stability:\nLyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

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