This protein carries a polyhistidine tag at the C-terminus.
This protein undergoes autocatalytic cleavage to release the propeptide and mature chain. The propeptide and mature chain are associated through non‑covalent interactions and with a calculated MW of 36.8 kDa and 24.9 kDa respectively. The protein migrates as 36-42 kDa (propeptide) and 26 kDa (mature) under reducing (R) condition (SDS-PAGE) due to glycosylation.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in 50 mM MES, 100 mM NaCl, pH6.5. Normally trehalose is added as protectant before lyophilization.
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Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Please avoid repeated freeze-thaw cycles.
This product is stable after storage at:
Human Cathepsin S, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
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