SKU: 76515046505

GPX4 Flag&His tag Protein, Human

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Description

GPX4 Flag&His tag Protein, HumanProduct Specification Species Human Synonyms GluA4,GLUR4,GLUR4C,GLURD,GPx 4,GSHPx 4,MCSP,NEDSGA,PHGPx Accession P36969 1 Amino Acid Sequence Gly26 Phe197 with Flag Tag at the N Terminus, and His Tag at the C Terminus Expression System HEK293 Molecular Weight 20 25kDa (Reducing) Purity 95% by SDS PAGE & > 85% SEC HPLC Conjugation Unconjugated Tag His Tag, Flag Tag Physical Appearance Lyophilized powder Storage Buffer 20mM Tris, 150mM NaCl, PH7. 4, 5%

Product Specification


Species Human
Synonyms GluA4,GLUR4,GLUR4C,GLURD,GPx-4,GSHPx-4,MCSP,NEDSGA,PHGPx
Accession P36969-1
Amino Acid Sequence

Gly26-Phe197 with Flag Tag at the N-Terminus, and His Tag at the C-Terminus

Expression System HEK293
Molecular Weight

20-25kDa (Reducing)

Purity >95% by SDS-PAGE & > 85% SEC-HPLC
Conjugation Unconjugated
Tag His Tag, Flag Tag
Physical Appearance Lyophilized powder
Storage Buffer

20mM Tris, 150mM NaCl, PH7.4, 5% trehalose

Reconstitution

Reconstitute at 0.1-1 mg/ml according to the size in ultrapure water after rapid centrifugation.

Stability & Storage

· 12 months from date of receipt, lyophilized powder stored at -20 to -80℃.
· 3 months, -20 to -80℃ under sterile conditions after reconstitution.
· 1 week, 2 to 8℃ under sterile conditions after reconstitution.
· Please avoid repeated freeze-thaw cycles.

Reference

1.Sutherland M, Shankaranarayanan P, Schewe T, Nigam S. Evidence for the presence of phospholipid hydroperoxide glutathione peroxidase in human platelets: implications for its involvement in the regulatory network of the 12-lipoxygenase pathway of arachidonic acid metabolism. Biochem J. 2001 Jan 1;353(Pt 1):91-100.
2.Schwarz M, Löser A, Cheng Q, Wichmann-Costaganna M, Schädel P, Werz O, Arnér ES, Kipp AP. Side-by-side comparison of recombinant human glutathione peroxidases identifies overlapping substrate specificities for soluble hydroperoxides. Redox Biol. 2023 Feb;59:102593.

Background

GPX4 (Glutathione Peroxidase 4) is a pivotal antioxidant enzyme, unique for its active site containing the rare amino acid selenocysteine, which is essential for its function. It directly reduces a broad spectrum of phospholipid hydroperoxides within cell membranes, thereby maintaining membrane integrity and playing a central role in inhibiting ferroptosis—a form of iron-dependent, non-apoptotic cell death. Its functions are critical for sperm development, T-cell immunity, and neuronal survival. Clinically, GPX4 is a key therapeutic target, as its dysfunction is implicated in conditions ranging from male infertility and neurodegenerative diseases to epilepsy and cancer, with modulating its activity being a promising strategy for treating ferroptosis-related pathologies.

Shipping Notes
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Exchange/Return Notes
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SKU: 76515046505

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Kristi K
Los Angeles, US
★★★★★ 5
Well-made and great size for the price!
Color: blue black
Very tough product, no odor of plastic, good toy for outside, perfect for medium or large dogs. Noise isn't too bad and the color is cute as well. Can't destroy this toy!
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Reviewed in the United States on May 26, 2026
H
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Haley
Carnegie, US
★★★★★ 5
Durable Great for aggressive chewers
Color: Blue
Will make one whole room smell like fake bacon, but my dogs love it and it’s super strong and durable. I have a lab mixed with rotty and a full lab so it’s a perfect match.
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Reviewed in the United States on June 3, 2026
R
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RUBEN ARELLANO
Natrona Heights, US
★★★★★ 5
Indestructible bully toy
Color: Blue
We have a bully that chews through everything, believe it when I say, he loves this n it is still in one piece. Where I put treats in it or not. He’s also able to play tug of war with is brother with this toy. I will be buying additional ones!
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Reviewed in the United States on May 16, 2026
L
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Lucie P
New York, US
★★★★★ 4
Durable, Dogs love it
Color: Red
My Frenchie is a crazy chewer and can chew up a nylabone in a day, so I was looking for something that would last longer. So far this is holding up, and is pretty durable. Both my dogs like it a lot, it’s easy for them to grasp, and chewable but still very tough material. I suspect at some point it’ll wear down, but not for a while. The size was just as described / expected. Not too small and not too big
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Reviewed in the United States on May 23, 2025
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Amazon Purchase
Cuba, US
★★★★★ 5
Great for aggressive chewers!
Color: Blue
Our aggressive chewers love these! Very durable.
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Reviewed in the United States on June 8, 2026

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