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RecombinantEpigen, Human

CAT: 0013-GTR18991824-01Size: 1 mgDry Ice: NoHazardous: No
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CAT#:0013-GTR18991824-01Size:1 mg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
Epigen is a cytokine belonging to the Epidermal Growth Factor (EGF) superfamily, which also includes Epiregulin, Amphiregulin, Neuregulin 2-β, and Transforming Growth Factor α. The precursor of Epigen produced in tissues has 154 amino acids, and shares the characteristics of other members of EGF superfamily, including 3 disulfide bonds formed by 6 cysteines. Epigen is present in testis, heart, and liver, and it binds to EGF receptors with a much lower binding affinity than EGF. However, Epigen is more mitogenic than EGF. Epigen achieves its strong mitogenic potency by suppressing ligand-induced receptor inactivation. Unlike EGF, Epigen can also bind to EGF receptors in low pH conditions, helping its recycling. Therefore Epigen has anomalous potency due to its prolonged presence.Recombinant human Epigen (rhEpigen) produced in E.coli is a single non-glycosylated polypeptide chain containing 73 amino acids. A fully biologically active molecule, rhEpigen has a molecular mass of 8.1 kDa analyzed by reducing SDS-PAGE and is obtained by proprietary chromatographic techniques at GenScript.
Product Name Alternative
EPG, Epithelial mitogen
Source
Escherichia coli.
Endotoxin
< 0.2 EU/μg, determined by LAL method.
Purity
> 95% by SDS-PAGE analysis.
Bioactivity
ED50 1x 10ˆ3 units/mg.
Form
Lyophilized after extensive dialysis against PBS.
Molecular Weight
8.1 kDa, observed by reducing SDS-PAGE.
Storage Conditions
Lyophilized recombinant human Epigen (rhEpigen) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, rhEpigen remains stable up to 2 weeks at 4°C or up to 3 months at -20°C.
Notes
For research use only.
Applications Notes
Reconstituted in ddH2O at 100 μg/mL.
Preservative
Lyophilized after extensive dialysis against PBS.
AA Sequence
MAVTVTPPI TAQQADNIEG PIALKFSHLC LEDHNSYCIN GACAFHHELE KAICRCFTGY TGERCEHLTL TSYA

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