Ubiquitin, human recombinant | 4841

Ubiquitin is a small, evolutionarily conserved eukaryotic protein that can be attached to a wide variety of intraCellular proteins including itself. Covalent attachment of ubiquitin to other proteins serves various functions, but its major role is to target Cellular proteins for destruction. Cellular components that activate, transfer, remove, or simply recognize ubiquitin number in the hundreds, perhaps even in the thousands. In light of this complexity the ubiquitin pathway is ideal for a systems biology approach. Ubiquitin (Ub) plays a very important role in regulated non-lysosomal ATP dependent protein degradation. The protein to be degraded is conjugated to Ub and the ubiquinated protein is then selectively degraded by a 26S complex, multicatalytic cytosolic and nuclear protease termed proteasome. The Ub-proteasome proteolytic pathway, which is a complex process, is implicated to be of great importance for regulating numerous Cellular processes. The recombinant Ubiquitin is expressed from E. coli and purified by proprietary chromatographic techniques.

4841 | Ubiquitin human recombinant DataSheet

Biomolecule/Target: N/A

Synonyms: Human Ubiquitin

Alternates names: TNF-related apoptosis-inducing Ligand, TNFSF10, Apo2 Ligand, TL2

Taglines: A tag marking proteins for a variety of cellular activities

NCBI Gene ID #: 22035

NCBI Gene Symbol: TRAIL

Gene Source: Murine

Accession #: P50592

Recombinant: Yes

Source: E. Coli

Purity by SDS-PAGEs: 95%

Assay: SDS-PAGE

Purity: N/A

Assay #2: HPLC

Endotoxin Level: < 0.1 ng/g of protein (<1EU/g).

Activity (Specifications/test method): Assay #1: Determined by the dose-dependent stimulation of MIP-2 production by mouse spleen cells using a concentration range of 10-100 ng/ml. Assay #2: Measured by its ability to induce apoptosis in LN-18 cells (human glioblastoma cells). The expected ED50 for this effect is 40.0-60.0 ng/ml.

Biological activity: Assay #1: Determined by the dose-dependent stimulation of MIP-2 production by mouse spleen cells using a concentration range of 10-100 ng/ml. Assay #2: Measured by its ability to induce apoptosis in LN-18 cells (human glioblastoma cells). The expected ED50 for this effect is 40.0-60.0 ng/ml.

Results: N/A

Binding Capacity: N/A

Unit Definition: N/A

Molecular Weight: 20.0 kDa

Concentration: N/A

Appearance: Liquid

Physical form description: Sterile filtered through a 0.2 micron filter. Lyophilized from 10 mM Sodium Phosphate, pH 7.0

Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Amino acid sequence: MRGGRPQKVA AHITGITRRS NSALIPISKD GKTLGQKIES WESSRKGHSF LNHVLFRNGE LVIEQEGLYY IYSQTYFRFQ EAEDASKMVS KDKVRTKQLV QYIYKYTSYP DPIVLMKSAR NSCWSRDAEY GLYSIYQGGL FELKKNDRIF VSVTNEHLMD LDQEASFFGA FLIN