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Rabbit Anti-SH3KBP1 antibody
SHKBP1 is a 707 amino acid protein belonging to the KCTD3 family. Acting downstream of Flt-3/Flk-2, SHKBP1 interacts with CIN85. SHKBP1 contains a BTB/POZ domain, which is involved in ring canal formation and chromatin folding, and five WB repeats. SHKBP1 exists as two alternatively spliced isoforms and maps to human chromosome 19q13.2. Chromosome 19 consists of over 63 million bases, houses approximately 1,400 genes and is recognized for having the greatest gene density of the human chromosomes. It is the genetic home for a number of immunoglobulin (Ig) superfamily members, including the killer cell and leukocyte Ig-like receptors, a number of ICAMs, the CEACAM and PSG families and Fc receptors (FcRs).
Function:
Adapter protein involved in regulating diverse signal transduction pathways. Involved in the regulation of endocytosis and lysosomal degradation of ligand-induced receptor tyrosine kinases, including EGFR and MET/hepatocyte growth factor receptor, through a association with CBL and endophilins. The association with CBL, and thus the receptor internalization, may inhibited by an interaction with PDCD6IP and/or SPRY2. Involved in regulation of ligand-dependent endocytosis of the IgE receptor. Attenuates phosphatidylinositol 3-kinase activity by interaction with its regulatory subunit (By similarity). May be involved in regulation of cell adhesion; promotes the interaction between TTK2B and PDCD6IP. May be involved in the regulation of cellular stress response via the MAPK pathways through its interaction with MAP3K4. Is involved in modulation of tumor necrosis factor mediated apoptosis.
Subcellular Location:
Cytoplasm > cytoskeleton. Cytoplasmic vesicle membrane. Cell junction > synapse > synaptosome. Cell junction > focal adhesion. Localized in endocytic vesicles containing clustered receptors. Colocalizes with ASAP1 in vesicular structures. Colocalized with actin microfilaments and focal adhesions (By similarity). Colocalized with MAGI2 in synaptosomes.
Tissue Specificity:
Ubiquitously expressed. Also expressed in some cancer cell lines.
Post-translational modifications:
Monoubiquitinated by CBL and CBLB after EGF stimulation; probably on its SLCterminus.
Similarity:
Contains 3 SH3 domains.
SWISS:
Q96B97
Gene ID:
30011
Database links:
Entrez Gene: 30011 Human
Omim: 300374 Human
SwissProt: Q96B97 Human
Unigene: 726365 Human
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