Recombinant Rat E3 ubiquitin-protein ligase CBL-B(Cblb) ,partial

Code CSB-YP814329RA
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Source Yeast
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Code CSB-EP814329RA
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Source E.coli
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Code CSB-EP814329RA-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP814329RA
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Source Baculovirus
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Code CSB-MP814329RA
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names Cblb
Uniprot No. Q8K4S7
Alternative Names CblbE3 ubiquitin-protein ligase CBL-B; EC; Casitas B-lineage lymphoma proto-oncogene b; RING-type E3 ubiquitin transferase CBL-B; SH3-binding protein CBL-B; Signal transduction protein CBL-B
Species Rattus norvegicus (Rat)
Protein Length Partial
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

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Target Data

Function E3 ubiquitin-protein ligase which accepts ubiquitin from specific E2 ubiquitin-conjugating enzymes, and transfers it to substrates, generally promoting their degradation by the proteasome. Negatively regulates TCR (T-cell receptor), BCR (B-cell receptor) and FCER1 (high affinity immunoglobulin epsilon receptor) signal transduction pathways. In naive T-cells, inhibits VAV1 activation upon TCR engagement and imposes a requirement for CD28 costimulation for proliferation and IL-2 production. Also acts by promoting PIK3R1/p85 ubiquitination, which impairs its recruitment to the TCR and subsequent activation. In activated T-cells, inhibits PLCG1 activation and calcium mobilization upon restimulation and promotes anergy. In B-cells, acts by ubiquitinating SYK and promoting its proteasomal degradation. Slightly promotes SRC ubiquitination. May be involved in EGFR ubiquitination and internalization. May be functionally coupled with the E2 ubiquitin-protein ligase UB2D3.
Gene References into Functions
  1. Cbl-b promotes chemotherapy-induced apoptosis in rat basophilic leukemia cells through inhibition of Akt and activation of ERK. PMID: 20177738
  2. we report the positional cloning of Iddm/kdp1 and identify a nonsense mutation in Cblb, a member of the Cbl/Sli family of ubiquitin-protein ligases.Cblb is a major susceptibility gene for rat type 1 diabetes mellitus PMID: 12118252
  3. c-Cbl protooncogene product is tyrosine- phosphorylated in rat cerebellum in response to ethanol administration. PMID: 12231245
  4. CAP-Cbl pathway may have a role in the modulation of adiposity in fasting and in monosodium glutamate treated rats. PMID: 14525909
  5. Cbl-b is a negative regulator of both Lyn-Syk-LAT and Gab2mediated complementary signaling pathways in FcepsilonRI-mediated mast cell activation PMID: 14604964
  6. In the KDP rat, a nonsense mutation in the T-cell regulatory gene, Cblb, has been described as a major susceptibility locus. PMID: 14747305
  7. we have examined the role of a truncated variant of Cbl-b related to the rat model of type 1 diabetes mellitus using the mast cell signaling model PMID: 16002993

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Involvement in disease Lack of Cblb expression is the cause of the Komeda diabetes-prone (KDP) phenotype, characterized by autoimmune destruction of pancreatic beta cells and rapid onset of overt diabetes with no sex difference and no significant T-cell lymphopenia. The KPD rat is a spontaneous animal model for human type 1 diabetes mellitus.
Subcellular Location Cytoplasm
Database Links

KEGG: rno:171136

STRING: 10116.ENSRNOP00000002719

UniGene: Rn.21799


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