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Human Cystatin D / CST5 Protein (His Tag)

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Human Cystatin D/CST5 Protein Product Information
Synonym:CST5, MGC71922
Protein Construction:A DNA sequence encoding the pro form of human Cystatin D (NP_001891.2) (Met 1-Val 142) with a C-terminal polyhistidine tag was expressed.
Expressed Host:Human Cells
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 Cystatin D/CST5 Protein QC Testing
Purity:> 95 % as determined by SDS-PAGE
Endotoxin:< 1.0 EU per μg of the protein as determined by the LAL method
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Gly 21
Molecule Mass:The secreted mature recombinant human CST5 comprises 133 amino acids with the predicted molecular mass of 15.2 kDa as estimated by SDS-PAGE under reducing conditions.
Formulation:Lyophilized from sterile PBS, pH 7.4
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 Cystatin D/CST5 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 Cystatin D/CST5 Protein SDS-PAGE
Human Cystatin D / CST5 Protein (His Tag) SDS-PAGE
Other Cystatin D/CST5 Recombinant Protein Products
Cystatin D / CST5 Background

Cystatins are natural inhibitors of papain-like (family C1) and legumain-related (family C13) cysteine peptidases. The mammalian cystatin superfamily members are of three major types, including the type 1 cystatins (stefins), type 2 cystatins and the kininogens. As a member of type 2 cystatin, cystatin D is a single-domain protein and also has cysteine residues that form disulfide bridges. In contrast with the wider distribution of all the other family 2 cystatins, cystatin D is tissue-restricted expressed and has been found only in saliva and tears. and meanwhile, it displays an inhibition profile with a preferential inhibition on cathepsin S, H, L. Although the exact functions are largely unknown, it has reported that cystatin D is involved in the inhibition of virus replication and apoptosis.

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Catalog: 10506-H08H-10
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