|Calculated MW||176442 Da|
|Positive Control||Jurkat cell lysate|
|Application & Usage||Western blotting (0.5-4 µg/ml). However, the optimal conditions should be determined individually.|
|Other Names||ALK tyrosine kinase receptor (EC 18.104.22.168) (Anaplastic lymphoma kinase) (CD antigen CD246)|
|Formulation||100 µg (0.5 mg/ml) rabbit anti-ALK polyclonal antibody in phosphate buffered saline (PBS), pH 7.2, containing 30% glycerol, 0.5% BSA, 0.01% thimerosal.|
|Handling||The antibody solution should be gently mixed before use.|
|Reconstitution & Storage||-20 °C|
|Precautions||ALK antibody is for research use only and not for use in diagnostic or therapeutic procedures.|
|Function||Neuronal receptor tyrosine kinase that is essentially and transiently expressed in specific regions of the central and peripheral nervous systems and plays an important role in the genesis and differentiation of the nervous system. Transduces signals from ligands at the cell surface, through specific activation of the mitogen-activated protein kinase (MAPK) pathway. Phosphorylates almost exclusively at the first tyrosine of the Y- x-x-x-Y-Y motif. Following activation by ligand, ALK induces tyrosine phosphorylation of CBL, FRS2, IRS1 and SHC1, as well as of the MAP kinases MAPK1/ERK2 and MAPK3/ERK1. Acts as a receptor for ligands pleiotrophin (PTN), a secreted growth factor, and midkine (MDK), a PTN-related factor, thus participating in PTN and MDK signal transduction. PTN-binding induces MAPK pathway activation, which is important for the anti-apoptotic signaling of PTN and regulation of cell proliferation. MDK-binding induces phosphorylation of the ALK target insulin receptor substrate (IRS1), activates mitogen-activated protein kinases (MAPKs) and PI3-kinase, resulting also in cell proliferation induction. Drives NF-kappa-B activation, probably through IRS1 and the activation of the AKT serine/threonine kinase. Recruitment of IRS1 to activated ALK and the activation of NF-kappa-B are essential for the autocrine growth and survival signaling of MDK.|
|Cellular Location||Cell membrane; Single-pass type I membrane protein Note=Membrane attachment was crucial for promotion of neuron-like differentiation and cell proliferation arrest through specific activation of the MAP kinase pathway|
|Tissue Location||Expressed in brain and CNS. Also expressed in the small intestine and testis, but not in normal lymphoid cells|
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Provided below are standard protocols that you may find useful for product applications.
ALK (anaplastic lymphoma kinase) was originally discovered as a NPM (Nucleophosmin)-ALK fusion protein. The NPM-ALK is a constitutively active oncogenic tyrosine kinase associated with anaplastic lymphoma. Activation of PLCgamma by NPM-ALK has been s µggested as a crucial step for this lymphoma-associated oncogenic tyrosine kinase.
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