TrkB: a receptor tyrosine kinase of the Trk family. Receptor for brain-derived neurotrophic factor (BDNF), neurotrophin-3, -4 and -5 but not nerve growth factor (NGF). Involved in the development and maintenance of the nervous system. Three splice variant isoforms have been described.
Protein type: Kinase, protein; Membrane protein, integral; EC 2.7.10.1; Protein kinase, tyrosine (receptor); Protein kinase, TK; TK group; Trk family
Chromosomal Location of Human Ortholog: 9q22.1
Cellular Component: cell surface; cytosol; dendritic spine; endosome membrane; growth cone; integral to plasma membrane; perikaryon; postsynaptic membrane; presynaptic active zone; receptor complex; rough endoplasmic reticulum; terminal button
Molecular Function: ATP binding; brain-derived neurotrophic factor binding; brain-derived neurotrophic factor receptor activity; neurotrophin binding; protein homodimerization activity; receptor tyrosine kinase binding
Biological Process: aging; brain-derived neurotrophic factor receptor signaling pathway; central nervous system neuron development; cerebral cortex development; circadian rhythm; feeding behavior; glutamate secretion; inflammatory response; learning; long-term memory; mechanoreceptor differentiation; negative regulation of neuron apoptosis; neuromuscular junction development; neuron differentiation; neuron migration; oligodendrocyte differentiation; peptidyl-tyrosine phosphorylation; peripheral nervous system neuron development; positive regulation of axonogenesis; positive regulation of cell proliferation; positive regulation of MAPKKK cascade; positive regulation of peptidyl-serine phosphorylation; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of protein amino acid phosphorylation; positive regulation of synaptic transmission, glutamatergic; positive regulation of synaptogenesis; protein amino acid autophosphorylation; regulation of dendrite development; regulation of GTPase activity; regulation of neurotransmitter secretion; regulation of protein kinase B signaling cascade; response to light stimulus; retina development in camera-type eye; retinal rod cell development; vasculogenesis
Disease: Obesity, Hyperphagia, And Developmental Delay
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