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Home > Product > Antibody > Rabbit Anti-Phospho-TrkB (Tyr817) antibody
TrkB (phospho Y817); p-TrkB (phospho Y817); TrkB (Phospho-Tyr817); TrkB (Phospho Tyr817); TrkB (Phospho-Y817); p-TrkB(Tyr817); AI848316; BDNF tropomyosine receptor kinase B; BDNF/NT 3 growth factors receptor; BDNF/NT-3 growth factors receptor; Brain d
Cat:
SL3732R
Species Reactivity：
Mouse,Rat,(predicted: Human,)
Immunogen：
KLH conjugated Synthesised phosphopeptide derived from human NTRK2 around the phosphorylation site of Tyr817:PV(p-Y)LD
Format：
Liquid
Storage instructions：
Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Concentration：
1mg/ml
Clonality：
Polyclonal
Isotype：
IgG
Applications：
ELISA=1:5000-10000IHC-P=1:100-500IHC-F=1:100-500IF=1:100-500（Paraffin sections need to do antigen repair）not yet tested in other applications.optimal dilutions/concentrations should be determined by the end user.
Host：
Rabbit
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Unit:
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Product PDFs
Datasheet:


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. Alternate transcriptional splice variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008].

Function:
Receptor tyrosine kinase involved in the development and the maturation of the central and the peripheral nervous systems through regulation of neuron survival, proliferation, migration, differentiation, and synapse formation and plasticity. Receptor for BDNF/brain-derived neurotrophic factor and NTF4/neurotrophin-4. Alternatively can also bind NTF3/neurotrophin-3 which is less efficient in activating the receptor but regulates neuron survival through NTRK2. Upon ligand-binding, undergoes homodimerization, autophosphorylation and activation. Recruits, phosphorylates and/or activates several downstream effectors including SHC1, FRS2, SH2B1, SH2B2 and PLCG1 that regulate distinct overlapping signaling cascades. Through SHC1, FRS2, SH2B1, SH2B2 activates the GRB2-Ras-MAPK cascade that regulates for instance neuronal differentiation including neurite outgrowth. Through the same effectors controls the Ras-PI3 kinase-AKT1 signaling cascade that mainly regulates growth and survival. Through PLCG1 and the downstream protein kinase SLCregulated pathways controls synaptic plasticity. Thereby, plays a role in learning and memory by regulating both short term synaptic function and long-term potentiation. PLCG1 also leads to NF-Kappa-B activation and the transcription of genes involved in cell survival. Hence, it is able to suppress anoikis, the apoptosis resulting from loss of cell-matrix interactions. May also play a role in neutrophin-dependent calcium signaling in glial cells and mediate communication between neurons and glia.

Subunit:
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. Interacts (phosphorylated upon ligand-binding) with SH2D1A; regulates NTRK2. Interacts with SQSTM1 and KIDINS220. Interacts (phosphorylated upon ligand-binding) with FRS2; activates the MAPK signaling pathway.

Subcellular Location:
Cell membrane; Single-pass type I membrane protein. Endosome membrane; Single-pass type I membrane protein. Note=Internalized to endosomes upon ligand-binding.

Tissue Specificity:
Isoform TrkB is expressed in the central and peripheral nervous system. In the central nervous system (CNS), expression is observed in the cerebral cortex, hippocampus, thalamus, choroid plexus, granular layer of the cerebellum, brain stem, and spinal cord. In the peripheral nervous system, it is expressed in many cranial ganglia, the ophtalmic nerve, the vestibular system, multiple facial structures, the submaxillary glands, and dorsal root ganglia. Isoform TrkB-T1 is mainly expressed in the brain but also detected in other tissues including pancreas, kidney and heart. Isoform TrkB-T-Shc is predominantly expressed in the brain.

Post-translational modifications:
Phosphorylated. Undergoes ligand-mediated autophosphorylation that is required for interaction with SHC1 and PLCG1 and other downstream effectors. Isoform TrkB-T-Shc is not phosphorylated.
Ubiquitinated. Undergoes polyubiquitination upon activation; regulated by NGFR. Ubiquitination regulates the internalization of the receptor.

DISEASE:
Defects in NTRK2 are the cause of obesity hyperphagia and developmental delay (OHPDD) [MIM:613886]. OHPDD is a disorder characterized by early-onset obesity, hyperphagia, and severe developmental delay in motor function, speech, and language.

Similarity:
Belongs to the protein kinase superfamily. Tyr protein kinase family. Insulin receptor subfamily.
Contains 2 Ig-like C2-type (immunoglobulin-like) domains.
Contains 2 LRR (leucine-rich) repeats.
Contains 1 LRRCT domain.
Contains 1 LRRNT domain.
Contains 1 protein kinase domain.

SWISS:
Q16620

Gene ID:
4915

Database links:

Entrez Gene: 4915 Human

Entrez Gene: 18212 Mouse

Entrez Gene: 25054 Rat

Omim: 600456 Human

SwissProt: Q16620 Human

SwissProt: P15209 Mouse

SwissProt: Q6724 Rat

Unigene: 494312 Human

Unigene: 712776 Human

Unigene: 130054 Mouse

Unigene: 11246 Rat



神经生物学相关蛋白（Neurobiology）
TrkA是NGF的功能性受体，当其与NGF结合后，可激活酪氨酸激酶信号传递系统，从而启动细胞活性，产生生物效应。
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