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Invitrogen
Human Cullin 4B (aa 9-152) Control Fragment Recombinant Protein
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Product Details
RP-92221
Species
Expression System
Amino acid sequence
Tag
Class
Type
Purity
Conjugate
Form
Concentration
Purification
Storage buffer
Contains
Storage conditions
Product Specific Information
Highest antigen sequence indentity to the following orthologs: Mouse (84%), Rat (84%).
This recombinant protein control fragment may be used for blocking experiments with the corresponding antibody, PA5-52864. In IHC/ICC and WB experiments, we recommend a 100x molar excess of the protein fragment control based on the concentration and the molecular weight. Pre-incubate the antibody-protein control fragment mixture for 30 min at room temperature.
Target Information
Core component of multiple cullin-RING-based E3 ubiquitin-protein ligase complexes which mediate the ubiquitination and subsequent proteasomal degradation of target proteins. The functional specificity of the E3 ubiquitin-protein ligase complex depends on the variable substrate recognition subunit. CUL4B may act within the complex as a scaffold protein, contributing to catalysis through positioning of the substrate and the ubiquitin-conjugating enzyme. Plays a role as part of the E3 ubiquitin-protein ligase complex in polyubiquitination of CDT1, histone H2A, histone H3 and histone H4 in response to radiation-induced DNA damage. Targeted to UV damaged chromatin by DDB2 and may be important for DNA repair and DNA replication. Required for ubiquitination of cyclin E, and consequently, normal G1 cell cycle progression. Regulates the mammalian target-of-rapamycin (mTOR) pathway involved in control of cell growth, size and metabolism. Specific CUL4B regulation of the mTORC1-mediated pathway is dependent upon 26S proteasome function and requires interaction between CUL4B and MLST8.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
References (0)
Bioinformatics
Protein Aliases: CUL-4B; Cullin-4B
Gene Aliases: CUL-4B; CUL4B; KIAA0695; MRXHF2; MRXS15; MRXSC; SFM2
UniProt ID: (Human) Q13620
Entrez Gene ID: (Human) 8450
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