Substance-K receptor

NameSubstance-K receptor
Synonyms
  • Neurokinin A receptor
  • NK-2 receptor
  • NK-2R
  • NK2R
  • NKNAR
  • SKR
  • TAC2R
  • Tachykinin receptor 2
Gene NameTACR2
OrganismHuman
Amino acid sequence
>lcl|BSEQ0016718|Substance-K receptor
MGTCDIVTEANISSGPESNTTGITAFSMPSWQLALWATAYLALVLVAVTGNAIVIWIILA
HRRMRTVTNYFIVNLALADLCMAAFNAAFNFVYASHNIWYFGRAFCYFQNLFPITAMFVS
IYSMTAIAADRYMAIVHPFQPRLSAPSTKAVIAGIWLVALALASPQCFYSTVTMDQGATK
CVVAWPEDSGGKTLLLYHLVVIALIYFLPLAVMFVAYSVIGLTLWRRAVPGHQAHGANLR
HLQAMKKFVKTMVLVVLTFAICWLPYHLYFILGSFQEDIYCHKFIQQVYLALFWLAMSST
MYNPIIYCCLNHRFRSGFRLAFRCCPWVTPTKEDKLELTPTTSLSTRVNRCHTKETLFMA
GDTAPSEATSGEAGRPQDGSGLWFGYGLLAPTKTHVEI
Number of residues398
Molecular Weight44441.705
Theoretical pI8.74
GO Classification
Functions
  • tachykinin receptor activity
  • substance K receptor activity
Processes
  • response to electrical stimulus
  • tachykinin receptor signaling pathway
  • muscle contraction
  • prolactin secretion
  • intestine smooth muscle contraction
  • positive regulation of uterine smooth muscle contraction
  • operant conditioning
  • positive regulation of vascular permeability
  • positive regulation of acetylcholine secretion, neurotransmission
  • negative regulation of luteinizing hormone secretion
  • neuropeptide signaling pathway
  • synaptic transmission
  • positive regulation of smooth muscle contraction
  • cell surface receptor signaling pathway
  • excretion
Components
  • plasma membrane
  • integral component of plasma membrane
General FunctionTachykinin receptor activity
Specific FunctionThis is a receptor for the tachykinin neuropeptide substance K (neurokinin A). It is associated with G proteins that activate a phosphatidylinositol-calcium second messenger system. The rank order of affinity of this receptor to tachykinins is: substance K > neuromedin-K > substance P.
Pfam Domain Function
Transmembrane Regions33-56 70-90 108-129 150-170 197-218 252-272 291-310
GenBank Protein ID189135
UniProtKB IDP21452
UniProtKB Entry NameNK2R_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0016719|Substance-K receptor (TACR2)
ATGGGGACCTGTGACATTGTGACTGAAGCCAATATCTCATCTGGCCCTGAGAGCAACACC
ACGGGCATCACAGCCTTCTCCATGCCCAGCTGGCAACTGGCACTGTGGGCCACAGCCTAC
CTGGCCCTGGTGCTGGTGGCCGTGACGGGTAATGCCATCGTCATCTGGATCATCCTGGCC
CATCGGAGGATGCGCACAGTCACCAACTACTTCATCGTCAATCTGGCGCTGGCTGACCTC
TGCATGGCTGCCTTCAATGCCGCCTTCAACTTTGTCTATGCCAGCCACAACATCTGGTAC
TTTGGCCGTGCCTTCTGCTACTTCCAGAACCTCTTCCCCATCACAGCCATGTTTGTCAGC
ATCTACTCCATGACCGCCATTGCTGCCGACAGGTACATGGCCATCGTCCACCCCTTCCAG
CCTCGGCTTTCAGCTCCCAGCACCAAGGCGGTTATTGCTGGCATCTGGCTGGTGGCTCTC
GCCCTGGCCTCCCCTCAGTGCTTCTACTCCACCGTCACCATGGACCAGGGTGCCACCAAG
TGCGTGGTGGCCTGGCCCGAAGACAGCGGGGGCAAGACGCTCCTCCTGTACCACCTCGTG
GTGATCGCCCTCATCTACTTCCTGCCGCTCGCGGTGATGTTTGTAGCCTACAGCGTCATC
GGCCTCACGCTCTGGAGGCGCGCAGTGCCCGGACATCAGGCGCACGGTGCCAACCTGCGC
CACCTGCAGGCCATGAAGAAGTTTGTGAAGACCATGGTGCTGGTGGTGCTGACGTTTGCC
ATCTGCTGGCTGCCCTACCACCTCTACTTCATCCTGGGCAGCTTCCAGGAGGACATCTAC
TGCCACAAGTTCATCCAGCAAGTCTACCTGGCACTCTTCTGGTTGGCCATGAGCTCTACC
ATGTACAATCCCATCATCTACTGCTGTCTCAACCACAGGTTTCGCTCTGGATTCCGGCTT
GCCTTCCGCTGCTGCCCATGGGTCACACCCACCAAGGAAGATAAGCTCGAGCTGACTCCC
ACGACCTCCCTCTCCACGAGAGTCAACAGGTGTCACACTAAGGAGACTTTGTTCATGGCT
GGGGACACAGCCCCCTCCGAGGCTACCAGTGGGGAGGCGGGGCGTCCCCAGGATGGATCA
GGGCTATGGTTTGGGTATGGTTTGCTTGCCCCCACCAAAACTCATGTTGAAATTTGA
GenBank Gene IDM57414
GeneCard IDNot Available
GenAtlas IDTACR2
HGNC IDHGNC:11527
Chromosome Location10
Locus10q11-q21
References
  1. Gerard NP, Eddy RL Jr, Shows TB, Gerard C: The human neurokinin A (substance K) receptor. Molecular cloning of the gene, chromosome localization, and isolation of cDNA from tracheal and gastric tissues. J Biol Chem. 1990 Nov 25;265(33):20455-62. 2173708
  2. Gerard NP, Eddy RL Jr, Shows TB, Gerard C: The human neurokinin A (substance K) receptor. Molecular cloning of the gene, chromosome localization, and isolation of the cDNA from tracheal and gastric tissues. J Biol Chem. 1991 Jan 15;266(2):1354. 1845990
  3. Gerard NP, Gerard C: Molecular cloning of the human neurokinin-2 receptor cDNA by polymerase chain reaction and isolation of the gene. Ann N Y Acad Sci. 1991;632:389-90. 1659296
  4. Cyr C, South V, Saltzman A, Felder S, Ricca GA, Jaye M, Huebner K, Kagan J, Croce CM, Schlessinger J, et al.: Cloning, expression of the human substance K receptor, and analysis of its role in mitogenesis. Ann N Y Acad Sci. 1991;632:426-7. 1659297
  5. Graham A, Hopkins B, Powell SJ, Danks P, Briggs I: Isolation and characterisation of the human lung NK-2 receptor gene using rapid amplification of cDNA ends. Biochem Biophys Res Commun. 1991 May 31;177(1):8-16. 1710456
  6. Kris RM, South V, Saltzman A, Felder S, Ricca GA, Jaye M, Huebner K, Kagan J, Croce CM, Schlessinger J: Cloning and expression of the human substance K receptor and analysis of its role in mitogenesis. Cell Growth Differ. 1991 Jan;2(1):15-22. 1848773
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