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: EC 2.7.10.1; Kinase, protein; Membrane protein, integral; Protein kinase, TK; Protein kinase, tyrosine (receptor); TK group; Trk family
Chromosomal Location of Human Ortholog: 9q21.33
Cellular Component: cytosol; early endosome; early endosome membrane; integral component of plasma membrane; postsynaptic density; postsynaptic membrane; receptor complex; terminal bouton
Molecular Function: ATP binding; brain-derived neurotrophic factor binding; brain-derived neurotrophic factor-activated receptor activity; neurotrophin binding; protein binding; protein homodimerization activity
Biological Process: brain-derived neurotrophic factor receptor signaling pathway; central nervous system neuron development; cerebral cortex development; circadian rhythm; feeding behavior; glutamate secretion; learning; mechanoreceptor differentiation; negative regulation of anoikis; negative regulation of neuron apoptosis; neuromuscular junction development; neuron differentiation; neuron migration; neurotrophin signaling pathway; oligodendrocyte differentiation; peptidyl-tyrosine phosphorylation; peripheral nervous system neuron development; positive regulation of axonogenesis; positive regulation of cell proliferation; positive regulation of gene expression; positive regulation of MAPK cascade; positive regulation of neuron projection development; positive regulation of peptidyl-serine phosphorylation; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of protein phosphorylation; positive regulation of synaptogenesis; protein autophosphorylation; regulation of GTPase activity; regulation of protein kinase B signaling; retina development in camera-type eye; retinal rod cell development; vasculogenesis
Disease: Obesity, Hyperphagia, And Developmental Delay
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