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Human SELM / Selenoprotein M Protein (His Tag)

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Human SELM Protein Product Information
Protein Construction:A DNA sequence encoding the mature form of human SELM (Q8WWX9) (Ala 24-Leu 145) was fused with a polyhistidine tag at the C-terminus and an initial Met at the N-terminus.
Expressed Host:E. coli
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Human SELM Protein QC Testing
Purity:> 97 % as determined by SDS-PAGE
Endotoxin:Please contact us for more information.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Met
Molecule Mass:The recombinant human SELM comprises 133 amino acids and has a calculated molecular mass of 15.4KDa. It migrates as an approximately 19 kDa band d in SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile 50mM Tris, 50mM NaCl, 50mM Arg, 0.3% Tween 20, 5% glycerol, pH 8.5
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Human SELM Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Human SELM Protein SDS-PAGE
Human SELM / Selenoprotein M Protein (His Tag) SDS-PAGE
Other SELM Recombinant Protein Products
Selenoprotein M Background

Selenoprotein M is a selenoprotein, which contains a selenocysteine (Sec) residue at its active site. The selenocysteine M is encoded by the UGA codon that normally signals translation termination. The 3' UTR of selenoprotein genes have a common stem-loop structure, the sec insertion sequence (SECIS), that is necessary for the recognition of UGA as a Sec codon rather than as a stop signal. This gene is expressed in a variety of tissues, and the protein is localized to the perinuclear structures. Selenoprotein M May function as a thiol-disulfide oxidoreductase that participates in disulfide bond formation. This protein is widely expressed and is highly expressed in brain. It is found in Cytoplasm, perinuclear region, Endoplasmic reticulum, Golgi apparatus. Localized to perinuclear structures corresponding to Golgi and endoplasmic reticulum. Experiments results have suggested that selenoprotein M may have an important role in protecting against oxidative damage in the brain and may potentially function in calcium regulation.

Human Selenoprotein M References
  • Reeves MA, et al. (2010) The neuroprotective functions of selenoprotein M and its role in cytosolic calcium regulation. Antioxid Redox Signal. 12(7): 809-18.
  • Lu W, et al. (2012) Reproductive function of Selenoprotein M in Chinese mitten crabs (Eriocheir sinesis). Peptides. 34(1): 168-76.
  • Garcia-Triana A, et al. (2010) Expression and silencing of Selenoprotein M (SelM) from the white shrimp Litopenaeus vannamei: effect on peroxidase activity and hydrogen peroxide concentration in gills and hepatopancreas. Comp Biochem Physiol A Mol Integr Physiol. 155(2): 200-4.
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    Catalog: 13508-H08E-20
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