Immunogen sequence: SRIWCSDPSP GIVAFPRLEP NSVDPENITE IFIANQKRLE IINEDDVEAY VGLRNLTIVD SGLKFVAHKA FLKNSNLQHI NFTRNKLTSL SRKHFRHLDL SELILVGNPF TCSCDIMWIK TLQEAKSSPD TQDLYCLNES SKNIPLANLQ IPNCGLPSAN LAAPNLTVEE GKSITLSCSV AGDPVPNMYW DVGNLVSKHM NETSHTQGSL RITNISSDDS GKQISCVAEN LVGEDQDSVN LTVHFAPTIT FLESPTSDHH WCIPFTVKGN PKPALQWFYN GAILNESKYI CTKIHVTNHT EYHGCLQLDN PTHMNNGDYT LIAKNEYGKD EKQISAHFMG WPGIDDGANP NYPDVIYEDY GTAANDIGDT TNRSNEIPST DVTDKTGREH LSV; Positive Samples: K-562, Rat brain; Cellular Location: Cell membrane, Endosome membrane, Single-pass type I membrane protein
TrkB is 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). TrkB is involved in the development and maintenance of the nervous system. Moreover, Trk B is a tyrosine kinase gene highly related to Trk A. Trk B expression is confined to tissues within the central and peripheral nervous systems. The brain-derived neurotrophic factor (BDNF) and NT-3, but not NGF, can induce rapid phosphorylation on tyrosine of Trk B gp145, one of the receptors encoded by Trk B, although BDNF elicits a response at least two orders of magnitude greater than NT-3. TrkB is a membrane-bound receptor that, upon neurotrophin binding, phosphorylates itself and members of the MAPK pathway. Signaling through TrkB leads to cell differentiation. Mutations in the TrkB gene have been associated with obesity and mood disorders. Alternate transcriptional splice variants encoding different isoforms have been found for the TrkB gene.
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Protein Aliases: BDNF-tropomyosine receptor kinase B; BDNF/NT-3 growth factors receptor; GP145-TrkB; GP145-TrkB/GP95-TrkB; neural receptor protein-tyrosine kinase (trkB); Neurotrophic tyrosine kinase receptor type 2; neurotrophic tyrosine kinase, receptor, type 2; neurotrophic tyrosine receptor kinase type 2; Trk-B; TrkB tyrosine kinase; Tropomyosin-related kinase B; tyrosine kinase receptor B
Gene Aliases: GP145-TrkB; NTRK2; RATTRKB1; Tkrb; trk-B; TRKB; TRKB1