You are using an unsupported browser. Please upgrade your browser to a newer version to get the best experience on Toxin, Toxin Target Database.
NameNeuronal acetylcholine receptor subunit alpha-2
Synonyms
  • Neuronal acetylcholine receptor subunit alpha-2 precursor
Gene NameCHRNA2
OrganismHuman
Amino acid sequence
>lcl|BSEQ0037067|Neuronal acetylcholine receptor subunit alpha-2
MGPSCPVFLSFTKLSLWWLLLTPAGGEEAKRPPPRAPGDPLSSPSPTALPQGGSHTETED
RLFKHLFRGYNRWARPVPNTSDVVIVRFGLSIAQLIDVDEKNQMMTTNVWLKQEWSDYKL
RWNPTDFGNITSLRVPSEMIWIPDIVLYNNADGEFAVTHMTKAHLFSTGTVHWVPPAIYK
SSCSIDVTFFPFDQQNCKMKFGSWTYDKAKIDLEQMEQTVDLKDYWESGEWAIVNATGTY
NSKKYDCCAEIYPDVTYAFVIRRLPLFYTINLIIPCLLISCLTVLVFYLPSDCGEKITLC
ISVLLSLTVFLLLITEIIPSTSLVIPLIGEYLLFTMIFVTLSIVITVFVLNVHHRSPSTH
TMPHWVRGALLGCVPRWLLMNRPPPPVELCHPLRLKLSPSYHWLESNVDAEEREVVVEEE
DRWACAGHVAPSVGTLCSHGHLHSGASGPKAEALLQEGELLLSPHMQKALEGVHYIADHL
RSEDADSSVKEDWKYVAMVIDRIFLWLFIIVCFLGTIGLFLPPFLAGMI
Number of residues529
Molecular Weight59764.82
Theoretical pI6.02
GO Classification
Functions
  • acetylcholine binding
  • drug binding
  • acetylcholine-activated cation-selective channel activity
  • acetylcholine receptor activity
Processes
  • synaptic transmission, cholinergic
  • neuromuscular synaptic transmission
  • protein heterooligomerization
  • response to nicotine
  • regulation of membrane potential
  • cation transmembrane transport
  • neurological system process
  • ion transport
  • signal transduction
  • synaptic transmission
Components
  • integral component of membrane
  • synapse
  • neuron projection
  • acetylcholine-gated channel complex
  • postsynaptic membrane
  • plasma membrane
  • cell junction
General FunctionDrug binding
Specific FunctionAfter binding acetylcholine, the AChR responds by an extensive change in conformation that affects all subunits and leads to opening of an ion-conducting channel across the plasma membrane.
Pfam Domain Function
Transmembrane Regions265-289 297-315 331-352 503-521
GenBank Protein ID1458110
UniProtKB IDQ15822
UniProtKB Entry NameACHA2_HUMAN
Cellular LocationCell junction
Gene sequence
>lcl|BSEQ0010520|Neuronal acetylcholine receptor subunit alpha-2 (CHRNA2)
ATGGGCCCCTCCTGTCCTGTGTTCCTGTCCTTCACAAAGCTCAGCCTGTGGTGGCTCCTT
CTGACCCCAGCAGGTGGAGAGGAAGCTAAGCGCCCACCTCCCAGGGCTCCTGGAGACCCA
CTCTCCTCTCCCAGTCCCACGGCATTGCCGCAGGGAGGCTCGCATACCGAGACTGAGGAC
CGGCTCTTCAAACACCTCTTCCGGGGCTACAACCGCTGGGCGCGCCCGGTGCCCAACACT
TCAGACGTGGTGATTGTGCGCTTTGGACTGTCCATCGCTCAGCTCATCGATGTGGATGAG
AAGAACCAAATGATGACCACCAACGTCTGGCTAAAACAGGAGTGGAGCGACTACAAACTG
CGCTGGAACCCCACTGATTTTGGCAACATCACATCTCTCAGGGTCCCTTCTGAGATGATC
TGGATCCCCGACATTGTTCTCTACAACAATGCAGATGGGGAGTTTGCAGTGACCCACATG
ACCAAGGCCCACCTCTTCTCCACGGGCACTGTGCACTGGGTGCCCCCGGCCATCTACAAG
AGCTCCTGCAGCATCGACGTCACCTTCTTCCCCTTCGACCAGCAGAACTGCAAGATGAAG
TTTGGCTCCTGGACTTATGACAAGGCCAAGATCGACCTGGAGCAGATGGAGCAGACTGTG
GACCTGAAGGACTACTGGGAGAGCGGCGAGTGGGCCATCGTCAATGCCACGGGCACCTAC
AACAGCAAGAAGTACGACTGCTGCGCCGAGATCTACCCCGACGTCACCTACGCCTTCGTC
ATCCGGCGGCTGCCGCTCTTCTACACCATCAACCTCATCATCCCCTGCCTGCTCATCTCC
TGCCTCACTGTGCTGGTCTTCTACCTGCCCTCCGACTGCGGCGAGAAGATCACGCTGTGC
ATTTCGGTGCTGCTGTCACTCACCGTCTTCCTGCTGCTCATCACTGAGATCATCCCGTCC
ACCTCGCTGGTCATCCCGCTCATCGGCGAGTACCTGCTGTTCACCATGATCTTCGTCACC
CTGTCCATCGTCATCACCGTCTTCGTGCTCAATGTGCACCACCGCTCCCCCAGCACCCAC
ACCATGCCCCACTGGGTGCGGGGGGCCCTTCTGGGCTGTGTGCCCCGGTGGCTTCTGATG
AACCGGCCCCCACCACCCGTGGAGCTCTGCCACCCCCTACGCCTGAAGCTCAGCCCCTCT
TATCACTGGCTGGAGAGCAACGTGGATGCCGAGGAGAGGGAGGTGGTGGTGGAGGAGGAG
GACAGATGGGCATGTGCAGGTCATGTGGCCCCCTCTGTGGGCACCCTCTGCAGCCACGGC
CACCTGCACTCTGGGGCCTCAGGTCCCAAGGCTGAGGCTCTGCTGCAGGAGGGTGAGCTG
CTGCTATCACCCCACATGCAGAAGGCACTGGAAGGTGTGCACTACATTGCCGACCACCTG
CGGTCTGAGGATGCTGACTCTTCGGTGAAGGAGGACTGGAAGTATGTTGCCATGGTCATC
GACAGGATCTTCCTCTGGCTGTTTATCATCGTCTGCTTCCTGGGGACCATCGGCCTCTTT
CTGCCTCCGTTCCTAGCTGGAATGATCTGA
GenBank Gene IDU62431
GeneCard IDNot Available
GenAtlas IDCHRNA2
HGNC IDHGNC:1956
Chromosome Location8
Locus8p21
References
  1. Elliott KJ, Ellis SB, Berckhan KJ, Urrutia A, Chavez-Noriega LE, Johnson EC, Velicelebi G, Harpold MM: Comparative structure of human neuronal alpha 2-alpha 7 and beta 2-beta 4 nicotinic acetylcholine receptor subunits and functional expression of the alpha 2, alpha 3, alpha 4, alpha 7, beta 2, and beta 4 subunits. J Mol Neurosci. 1996 Fall;7(3):217-28. 8906617
  2. Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. 14702039
  3. Nusbaum C, Mikkelsen TS, Zody MC, Asakawa S, Taudien S, Garber M, Kodira CD, Schueler MG, Shimizu A, Whittaker CA, Chang JL, Cuomo CA, Dewar K, FitzGerald MG, Yang X, Allen NR, Anderson S, Asakawa T, Blechschmidt K, Bloom T, Borowsky ML, Butler J, Cook A, Corum B, DeArellano K, DeCaprio D, Dooley KT, Dorris L 3rd, Engels R, Glockner G, Hafez N, Hagopian DS, Hall JL, Ishikawa SK, Jaffe DB, Kamat A, Kudoh J, Lehmann R, Lokitsang T, Macdonald P, Major JE, Matthews CD, Mauceli E, Menzel U, Mihalev AH, Minoshima S, Murayama Y, Naylor JW, Nicol R, Nguyen C, O'Leary SB, O'Neill K, Parker SC, Polley A, Raymond CK, Reichwald K, Rodriguez J, Sasaki T, Schilhabel M, Siddiqui R, Smith CL, Sneddon TP, Talamas JA, Tenzin P, Topham K, Venkataraman V, Wen G, Yamazaki S, Young SK, Zeng Q, Zimmer AR, Rosenthal A, Birren BW, Platzer M, Shimizu N, Lander ES: DNA sequence and analysis of human chromosome 8. Nature. 2006 Jan 19;439(7074):331-5. 16421571
  4. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  5. Aridon P, Marini C, Di Resta C, Brilli E, De Fusco M, Politi F, Parrini E, Manfredi I, Pisano T, Pruna D, Curia G, Cianchetti C, Pasqualetti M, Becchetti A, Guerrini R, Casari G: Increased sensitivity of the neuronal nicotinic receptor alpha 2 subunit causes familial epilepsy with nocturnal wandering and ictal fear. Am J Hum Genet. 2006 Aug;79(2):342-50. Epub 2006 Jun 26. 16826524