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NTRK2

This gene encodes a member of the neurotrophic tyrosine receptor kinase (NTRK) family. This kinase is a membrane-bound receptor that, upon neurotrophin binding, phosphorylates itself and members of the MAPK pathway. Signalling through this kinase leads to cell differentiation. Mutations in this gene have been associated with obesity and mood disorders. Alternative splicing results in multiple transcript variants. [provided by RefSeq, May 2014]
Protein class

Cancer-related genes, Disease related genes, Enzymes, FDA approved drug targets, Human disease related genes, Metabolic proteins, Plasma proteins, RAS pathway related proteins

Predicted location

Membrane

Single cell type specificity

Cell type enhanced (Astrocytes, Inhibitory neurons, Excitatory neurons, Oligodendrocyte precursor cells)

Immune cell specificity

Not detected in immune cells

Cell line specificity

Cell line enhanced (AF22, HaCaT, RPTEC TERT1, SH-SY5Y, SuSa)

Interaction

Exists in a dynamic equilibrium between monomeric (low affinity) and dimeric (high affinity) structures. Interacts (phosphorylated upon activation by BDNF) with SHC1; mediates SHC1 phosphorylation and activation. Interacts (phosphorylated upon activation by BDNF) with PLCG1 and/or PLCG2; mediates PLCG1 phosphorylation and activation. Interacts with SH2B1 and SH2B2. Interacts with NGFR; may regulate the ligand specificity of the receptor (By similarity). Interacts with SORCS2; this interaction is important for normal targeting to post-synaptic densities in response to high-frequency stimulation (By similarity). Interacts (phosphorylated upon ligand-binding) with SH2D1A; regulates NTRK2. Interacts with SQSTM1 and KIDINS220 (By similarity). Interacts (phosphorylated upon ligand-binding) with FRS2; activates the MAPK signaling pathway (PubMed:10092678). Interacts with APPL1 (By similarity). Interacts with MAPK8IP3/JIP3 and KLC1; interaction with KLC1 is mediated by MAPK8IP3/JIP3 (By similarity). Interacts with SORL1; this interaction facilitates NTRK2 trafficking between synaptic plasma membranes, postsynaptic densities and cell soma, hence positively regulates BDNF signaling (By similarity).

Molecular function

Developmental protein, Kinase, Receptor, Transferase, Tyrosine-protein kinase

More Types Infomation

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