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CBL

This gene is a proto-oncogene that encodes a RING finger E3 ubiquitin ligase. The encoded protein is one of the enzymes required for targeting substrates for degradation by the proteasome. This protein mediates the transfer of ubiquitin from ubiquitin conjugating enzymes (E2) to specific substrates. This protein also contains an N-terminal phosphotyrosine binding domain that allows it to interact with numerous tyrosine-phosphorylated substrates and target them for proteasome degradation. As such it functions as a negative regulator of many signal transduction pathways. This gene has been found to be mutated or translocated in many cancers including acute myeloid leukaemia, and expansion of CGG repeats in the 5' UTR has been associated with Jacobsen syndrome. Mutations in this gene are also the cause of Noonan syndrome-like disorder.
Protein class

Cancer-related genes, Disease related genes, Enzymes, Human disease related genes, Metabolic proteins, Potential drug targets

Predicted location

Intracellular

Single cell type specificity

Low cell type specificity

Immune cell specificity

Immune cell enhanced (neutrophil)

Cell line specificity

Low cell line specificity

Interaction

Forms homodimers; IFT20 promotes the formation of stable homodimers (PubMed:29237719). Interacts (phosphorylated at Tyr-731) with PIK3R1. Associates with NCK via its SH3 domain. The phosphorylated C-terminus interacts with CD2AP via its second SH3 domain. Binds to UBE2L3. Interacts with adapters SLA, SLA2 and with the phosphorylated C-terminus of SH2B2. Interacts with EGFR, SYK and ZAP70 via the highly conserved Cbl-N region. Also interacts with SORBS1 and INPPL1/SHIP2. Interacts with phosphorylated LAT2 (By similarity). Interacts with CBLB (PubMed:29237719). Interacts with ALK, AXL, BLK, FGR and FGFR2. Interacts with CSF1R, EPHB1, FLT1, KDR, PDGFRA and PDGFRB; regulates receptor degradation through ubiquitination. Interacts with HCK and LYN. Interacts with ATX2 (By similarity). Interacts with TEK/TIE2 (tyrosine phosphorylated). Interacts with SH3KBP1 and this interaction is inhibited in the presence of SHKBP1 (By similarity). Interacts with SIGLEC10 (By similarity). Interacts with IFT20 (PubMed:29237719). Interacts with SPRY2; the interaction inhibits CBL-mediated ubiquitination of EGFR (PubMed:17974561). (Microbial infection) Interacts with M.tuberculosis LpqN, which influences the balance between intrinsic antibacterial and antiviral defense.

Molecular function

Transferase

More Types Infomation

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