Phospho-c-Cbl (Tyr774) (R3B8) rabbit mAb SureLight488 conjugate Antibody

SKU: orb1946106

Description

The c-Cbl (Casitas B-lineage Lymphoma) proto-oncogene is a ubiquitously expressed cytoplasmic adaptor protein that contains multiple functional domains, including an amino-terminal tyrosine kinase-binding (TKB) domain, a RING finger motif, and a proline-rich region. The TKB recognizes phosphorylated tyrosines on activated receptor tyrosine kinases (RTKs) and on other nonreceptor tyrosine kinases, while the RING finger motif recruits ubiquitin-conjugating enzymes. These two domains are primarily responsible for the ubiquitin ligase activity of c-Cbl and downregulation of RTKs (1). The proline-rich region contains 14-3-3 protein-binding and SH3 domain-binding motifs. c-Cbl is phosphorylated at Y700, Y731, and Y774 by Syk- and Src-family kinases after the stimulation of some integrins and a wide variety of receptors for immunoglobulins, antigens, hormones, growth factors, and cytokines. Phosphorylated Y774 interacts with the SH2 domain of Crk (1,2). The c-Cbl adapter protein is expressed in the cytoplasm in all tissues, with especially high levels of expression in hematopoietic cells (3,4). Through its many functional sites, c-Cbl plays key roles in the positive and negative regulation of vital cell functions, including T Cell Receptor-mediated cellular immune responses. In human cancer tissues, c-Cbl is frequently tyrosine-phosphorylated in a tumor-specific manner (5).

Images & Validation

• Tested Applications: FC
• Dilution Range: For flow cytometric staining, the suggested use of this reagent is 5 µL per million cells or 5 µL per 100 µL of staining volume. It is recommended that the reagent be titrated for optimal performance for each application.
• Reactivity: Human, Mouse

Key Properties

• Host: Rabbit
• Clonality: Monoclonal
• Isotype: Rabbit IgG1k
• Clone No.: CblY774-R3B8
• Immunogen: A synthetic phospho-peptide corresponding to residues surrounding Tyr774 of human phospho c-Cbl
• Purification: Protein A+G
• Conjugation: SureLight 488

Storage & Handling

• Storage: 2-8°C
• Form/Appearance: Liquid
• Buffer/Preservatives: 1X PBS, 0.09% NaN3, 0.2% rAlbumin
• Expiration Date: 12 months from date of receipt.
• Disclaimer: For research use only

Alternative Names

E3 ubiquitin-protein ligase CBL, Casitas B-lineage lymphoma proto-oncogene, Proto-oncogene c-Cbl, RING finger protein 55, RING-type E3 ubiquitin transferase, Signal transduction protein CBL, CBL2, RNF55

Flow cytometric analysis of C6 cells untreated and unstained as negative control (blue) or untreated and stained (red) or treated with INFa + IL-4 + pervanadate and stained (green) using Phospho-c-Cbl (Tyr774) antibody CblY774-R3B8 SureLight488 conjugate. Cat. #orb1946106.

Quick Database Links

UniProt

P22681