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; Protein kinase, TK; Kinase, protein; Protein kinase, tyrosine (receptor); Membrane protein, integral; TK group; Trk family
Chromosomal Location of Human Ortholog: 9q22.1
Cellular Component: postsynaptic membrane; cell surface; growth cone; rough endoplasmic reticulum; integral to plasma membrane; presynaptic active zone; dendritic spine; excitatory synapse; terminal button; perikaryon; endosome membrane; cytosol; receptor complex
Molecular Function: brain-derived neurotrophic factor receptor activity; neurotrophin binding; protein homodimerization activity; ephrin receptor binding; brain-derived neurotrophic factor binding; ATP binding
Biological Process: circadian rhythm; mechanoreceptor differentiation; retinal rod cell development; peptidyl-tyrosine phosphorylation; nerve growth factor receptor signaling pathway; protein amino acid autophosphorylation; neuron migration; regulation of neurotransmitter secretion; regulation of dendrite development; positive regulation of synaptic transmission, glutamatergic; neuron differentiation; positive regulation of MAPKKK cascade; positive regulation of cell proliferation; oligodendrocyte differentiation; feeding behavior; negative regulation of neuron apoptosis; inflammatory response; vasculogenesis; neuromuscular junction development; central nervous system neuron development; aging; response to light stimulus; brain-derived neurotrophic factor receptor signaling pathway; adenylate cyclase activation; regulation of protein kinase B signaling cascade; learning; positive regulation of peptidyl-serine phosphorylation; peripheral nervous system neuron development; positive regulation of phosphoinositide 3-kinase cascade; long-term memory; glutamate secretion; positive regulation of axonogenesis; cerebral cortex development; transmembrane receptor protein tyrosine kinase signaling pathway
Disease: Obesity, Hyperphagia, And Developmental Delay
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