Recombinant human ubiquitin B with an N-terminal His-tag, derived from the transfected human HEK293 cells.
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Product Description
Specifications
| Size | 50 µg, 100 µg, 250 µg |
| Estimated Lead Time | 1-2 business days |
| Species | Human |
| Accession Number | P0CG47 |
| Gene Symbols | UBB |
| Protein Name / Synonyms | Polyubiquitin-B, Ubiquitin, UBB |
| Expressed Region | Gln2-Gly228 |
| Expression System | HEK293 cells |
| Tag | N-terminal histidine tag |
| Purity | >90% |
| Purity Determined By | SDS-PAGE under reducing conditions and visualized by Coomassie blue staining |
| Molecular Weight (kDa) | Recombinant protein product has a calculated molecular mass of 26 kDa. The partial purified product cleaved into 12 and 14 kDa two fragments. |
| Format | Lyophilized powder |
| Formulation | Lyophilized from a 0.2 µm filtered solution in PBS (pH 7.4) with 1% mannitol and 5% trehalose |
| Concentration (lot specific) | Determined by Pierce BCA protein assay |
| Reconstitution | Briefly spin the vial and bring the contents to the bottom prior to opening. It is recommended to reconstitute at 0.5 - 1.0 mg/mL with sterile deionized water. |
| Endotoxin Level | <0.5 EU per µg of the protein as determined by the LAL method |
| Research Area | Post-Translational Modifications |
| Recombinant or Native | Recombinant |
| Shipping Type | Ambient temperature |
| Storage | -20°C |
| Storage / Stability | Upon arrival, the lyophilized protein may be stored for 2 weeks at 4°C. For long term storage, it is recommended to store desiccated below -20 °C in a manual defrost freezer. Following reconstitution, the protein may be stored for 2 weeks under sterile conditions at -20 °C. For long term storage, it is recommended to make appropriate aliquots and store at -80 °C. Avoid repeated freeze-thaw cycles. |
SDS-PAGE Image
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