NameHigh affinity nerve growth factor receptor
Synonyms
  • 2.7.10.1
  • gp140trk
  • MTC
  • Neurotrophic tyrosine kinase receptor type 1
  • p140-TrkA
  • TRK
  • Trk-A
  • TRK1-transforming tyrosine kinase protein
  • TRKA
  • Tropomyosin-related kinase A
  • Tyrosine kinase receptor
  • Tyrosine kinase receptor A
Gene NameNTRK1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0002069|High affinity nerve growth factor receptor
MLRGGRRGQLGWHSWAAGPGSLLAWLILASAGAAPCPDACCPHGSSGLRCTRDGALDSLH
HLPGAENLTELYIENQQHLQHLELRDLRGLGELRNLTIVKSGLRFVAPDAFHFTPRLSRL
NLSFNALESLSWKTVQGLSLQELVLSGNPLHCSCALRWLQRWEEEGLGGVPEQKLQCHGQ
GPLAHMPNASCGVPTLKVQVPNASVDVGDDVLLRCQVEGRGLEQAGWILTELEQSATVMK
SGGLPSLGLTLANVTSDLNRKNVTCWAENDVGRAEVSVQVNVSFPASVQLHTAVEMHHWC
IPFSVDGQPAPSLRWLFNGSVLNETSFIFTEFLEPAANETVRHGCLRLNQPTHVNNGNYT
LLAANPFGQASASIMAAFMDNPFEFNPEDPIPVSFSPVDTNSTSGDPVEKKDETPFGVSV
AVGLAVFACLFLSTLLLVLNKCGRRNKFGINRPAVLAPEDGLAMSLHFMTLGGSSLSPTE
GKGSGLQGHIIENPQYFSDACVHHIKRRDIVLKWELGEGAFGKVFLAECHNLLPEQDKML
VAVKALKEASESARQDFQREAELLTMLQHQHIVRFFGVCTEGRPLLMVFEYMRHGDLNRF
LRSHGPDAKLLAGGEDVAPGPLGLGQLLAVASQVAAGMVYLAGLHFVHRDLATRNCLVGQ
GLVVKIGDFGMSRDIYSTDYYRVGGRTMLPIRWMPPESILYRKFTTESDVWSFGVVLWEI
FTYGKQPWYQLSNTEAIDCITQGRELERPRACPPEVYAIMRGCWQREPQQRHSIKDVHAR
LQALAQAPPVYLDVLG
Number of residues796
Molecular Weight87496.465
Theoretical pI6.62
GO Classification
Functions
  • ATP binding
  • transmembrane receptor protein tyrosine kinase activity
  • nerve growth factor binding
  • nerve growth factor receptor activity
  • neurotrophin binding
  • protein homodimerization activity
Processes
  • protein autophosphorylation
  • activation of adenylate cyclase activity
  • positive regulation of Ras protein signal transduction
  • response to axon injury
  • activation of MAPKK activity
  • sympathetic nervous system development
  • positive regulation of angiogenesis
  • negative regulation of cell proliferation
  • B cell differentiation
  • transmembrane receptor protein tyrosine kinase signaling pathway
  • response to ethanol
  • neurotrophin TRK receptor signaling pathway
  • cellular response to nicotine
  • response to drug
  • aging
  • protein phosphorylation
  • positive regulation of synapse assembly
  • negative regulation of neuron apoptotic process
  • Ras protein signal transduction
  • positive regulation of NF-kappaB transcription factor activity
  • positive regulation of synaptic transmission, glutamatergic
  • response to electrical stimulus
  • axonogenesis involved in innervation
  • small GTPase mediated signal transduction
  • detection of temperature stimulus involved in sensory perception of pain
  • circadian rhythm
  • behavioral response to formalin induced pain
  • response to radiation
  • response to activity
  • cellular response to nerve growth factor stimulus
  • response to nutrient levels
  • developmental programmed cell death
  • positive regulation of neuron projection development
  • positive regulation of GTPase activity
  • mechanoreceptor differentiation
  • activation of phospholipase C activity
  • olfactory nerve development
  • axon guidance
  • Sertoli cell development
  • phosphatidylinositol-mediated signaling
  • positive regulation of programmed cell death
  • peptidyl-tyrosine phosphorylation
  • detection of mechanical stimulus involved in sensory perception of pain
  • positive regulation of ERK1 and ERK2 cascade
  • response to hydrostatic pressure
  • positive regulation of protein phosphorylation
  • learning or memory
Components
  • integral component of plasma membrane
  • early endosome membrane
  • protein complex
  • neuronal cell body
  • late endosome membrane
  • plasma membrane
  • receptor complex
  • dendrite
  • late endosome
  • cell surface
  • axon
  • endosome
  • cytoplasmic vesicle
  • early endosome
General FunctionTransmembrane receptor protein tyrosine kinase activity
Specific FunctionReceptor tyrosine kinase involved in the development and the maturation of the central and peripheral nervous systems through regulation of proliferation, differentiation and survival of sympathetic and nervous neurons. High affinity receptor for NGF which is its primary ligand, it can also bind and be activated by NTF3/neurotrophin-3. However, NTF3 only supports axonal extension through NTRK1 but has no effect on neuron survival. Upon dimeric NGF ligand-binding, undergoes homodimerization, autophosphorylation and activation. Recruits, phosphorylates and/or activates several downstream effectors including SHC1, FRS2, SH2B1, SH2B2 and PLCG1 that regulate distinct overlapping signaling cascades driving cell survival and differentiation. Through SHC1 and FRS2 activates a GRB2-Ras-MAPK cascade that regulates cell differentiation and survival. Through PLCG1 controls NF-Kappa-B activation and the transcription of genes involved in cell survival. Through SHC1 and SH2B1 controls a Ras-PI3 kinase-AKT1 signaling cascade that is also regulating survival. In absence of ligand and activation, may promote cell death, making the survival of neurons dependent on trophic factors.Isoform TrkA-III is resistant to NGF, constitutively activates AKT1 and NF-kappa-B and is unable to activate the Ras-MAPK signaling cascade. Antagonizes the anti-proliferative NGF-NTRK1 signaling that promotes neuronal precursors differentiation. Isoform TrkA-III promotes angiogenesis and has oncogenic activity when overexpressed.
Pfam Domain Function
Transmembrane Regions424-439
GenBank Protein ID339918
UniProtKB IDP04629
UniProtKB Entry NameNTRK1_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0010727|High affinity nerve growth factor receptor (NTRK1)
ATGAAGGAGGCCGCCCTCATCTGCCTGGCACCCTCTGTACCCCCGATCTTGACGGTGAAG
TCCTGGGACACCATGCAGTTGCGGGCTGCTAGATCTCGGTGCACAAACTTGTTGGCAGCA
AGCTACATCGAGAACCAGCAGCATCTGCAGCATCTGGAGCTCCGTGATCTGAGGGGCCTG
GGGGAGCTGAGAAACCTCACCATCGTGAAGAGTGGTCTCCGTTTCGTGGCGCCAGATGCC
TTCCATTTCACTCCTCGGCTCAGTCGCCTGAATCTCTCCTTCAACGCTCTGGAGTCTCTC
TCCTGGAAAACTGTGCAGGGCCTCTCCTTACAGGAACTGGTCCTGTCGGGGAACCCTCTG
CACTGTTCTTGTGCCCTGCGCTGGCTACAGCGCTGGGAGGAGGAGGGACTGGGCGGAGTG
CCTGAACAGAAGCTGCAGTGTCATGGGCAAGGGCCCCTGGCCCACATGCCCAATGCCAGC
TGTGGTGTGCCCACGCTGAAGGTCCAGGTGCCCAATGCCTCGGTGGATGTGGGGGACGAC
GTGCTGCTGCGGTGCCAGGTGGAGGGGCGGGGCCTGGAGCAGGCCGGCTGGATCCTCACA
GAGCTGGAGCAGTCAGCCACGGTGATGAAATCTGGGGGTCTGCCATCCCTGGGGCTGACC
CTGGCCAATGTCACCAGTGACCTCAACAGGAAGAACGTGACGTGCTGGGCAGAGAACGAT
GTGGGCCGGGCAGAGGTCTCTGTTCAGGTCAACGTCTCCTTCCCGGCCAGTGTGCAGCTG
CACACGGCGGTGGAGATGCACCACTGGTGCATCCCCTTCTCTGTGGATGGGCAGCCGGCA
CCGTCTCTGCGCTGGCTCTTCAATGGCTCCGTGCTCAATGAGACCAGCTTCATCTTCACT
GAGTTCCTGGAGCCGGCAGCCAATGAGACCGTGCGGCACGGGTGTCTGCGCCTCAACCAG
CCCACCCACGTCAACAACGGCAACTACACGCTGCTGGCTGCCAACCCCTTCGGCCAGGCC
TCCGCCTCCATCATGGCTGCCTTCATGGACAACCCTTTCGAGTTCAACCCCGAGGACCCC
ATCCCTGACACTAACAGCACATCTGGAGACCCGGTGGAGAAGAAGGACGAAACACCTTTT
GGGGTCTCGGTGGCTGTGGGCCTGGCCGTCTTTGCCTGCCTCTTCCTTTCTACGCTGCTC
CTTGTGCTCAACAAATGTGGACGGAGAAACAAGTTTGGGATCAACCGCCCGGCTGTGCTG
GCTCCAGAGGATGGGCTGGCCATGTCCCTGCATTTCATGACATTGGGTGGCAGCTCCCTG
TCCCCCACCGAGGGCAAAGGCTCTGGGCTCCAAGGCCACATCATCGAGAACCCACAATAC
TTCAGTGATGCCTGTGTTCACCACATCAAGCGCCGGGACATCGTGCTCAAGTGGGAGCTG
GGGGAGGGCGCCTTTGGGAAGGTCTTCCTTGCTGAGTGCCACAACCTCCTGCCTGAGCAG
GACAAGATGCTGGTGGCTGTCAAGGCACTGAAGGAGGCGTCCGAGAGTGCTCGGCAGGAC
TTCCAGCGTGAGGCTGAGCTGCTCACCATGCTGCAGCACCAGCACATCGTGCGCTTCTTC
GGCGTCTGCACCGAGGGCCGCCCCCTGCTCATGGTCTTTGAGTATATGCGGCACGGGGAC
CTCAACCGCTTCCTCCGATCCCATGGACCTGATGCCAAGCTGCTGGCTGGTGGGGAGGAT
GTGGCTCCAGGCCCCCTGGGTCTGGGGCAGCTGCTGGCCGTGGCTAGCCAGGTCGCTGCG
GGGATGGTGTACCTGGCGGGTCTGCATTTTGTGCACCGGGACCTGGCCACACGCAACTGT
CTAGTGGGCCAGGGACTGGTGGTCAAGATTGGTGATTTTGGCATGAGCAGGGATATCTAC
AGCACCGACTATTACCGTGTGGGAGGCCGCACCATGCTGCCCATTCGCTGGATGCCGCCC
GAGAGCATCCTGTACCGTAAGTTCACCACCGAGAGCGACGTGTGGAGCTTCGGCGTGGTG
CTCTGGGAGATCTTCACCTACGGCAAGCAGCCCTGGTACCAGCTCTCCAACACGGAGGCA
ATCGACTGCATCACGCAGGGACGTGAGTTGGAGCGGCCACGTGCCTGCCCACCAGAGGTC
TACGCCATCATGCGGGGCTGCTGGCAGCGGGAGCCCCAGCAACGCCACAGCATCAAGGAT
GTGCACGCCCGGCTGCAAGCCCTGGCCCAGGCACCTCCTGTCTACCTGGATGTCCTGGGC
TAG
GenBank Gene IDM23102
GeneCard IDNot Available
GenAtlas IDNTRK1
HGNC IDHGNC:8031
Chromosome Location1
Locus1q21-q22
References
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