a receptor tyrosine kinase of the TRK family. Receptor for neurotrophin-3 (NT-3). Known substrates for the trk receptors are SHC, PI-3 kinase, and PLCG1. Four alternatively spliced isoforms are known. Note: This description may include information from UniProtKB.
Protein type: EC 188.8.131.52; Kinase, protein; Protein kinase, tyrosine (receptor); Protein kinase, TK; Membrane protein, integral; TK group; Trk family
Chromosomal Location of Human Ortholog: 15q25
Cellular Component: integral to plasma membrane; cytoplasm; receptor complex
Molecular Function: neurotrophin binding; ephrin receptor binding; p53 binding; transmembrane receptor protein tyrosine kinase activity; neurotrophin receptor activity; ATP binding
Biological Process: mechanoreceptor differentiation; positive regulation of positive chemotaxis; peptidyl-tyrosine phosphorylation; activation of MAPK activity; positive regulation of axon extension involved in regeneration; protein amino acid autophosphorylation; activation of protein kinase B; neuron migration; activation of Ras GTPase; positive regulation of peptidyl-serine phosphorylation; response to ethanol; negative regulation of protein amino acid phosphorylation; positive regulation of cell proliferation; negative regulation of astrocyte differentiation; modification by virus of host cell transcription; neuron fate specification; response to axon injury; transmembrane receptor protein tyrosine kinase signaling pathway; response to corticosterone stimulus; positive regulation of cell migration
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.