NameNeuronal acetylcholine receptor subunit alpha-5
Synonyms
  • NACHRA5
Gene NameCHRNA5
OrganismHuman
Amino acid sequence
>lcl|BSEQ0017148|Neuronal acetylcholine receptor subunit alpha-5
MAARGSGPRALRLLLLVQLVAGRCGLAGAAGGAQRGLSEPSSIAKHEDSLLKDLFQDYER
WVRPVEHLNDKIKIKFGLAISQLVDVDEKNQLMTTNVWLKQEWIDVKLRWNPDDYGGIKV
IRVPSDSVWTPDIVLFDNADGRFEGTSTKTVIRYNGTVTWTPPANYKSSCTIDVTFFPFD
LQNCSMKFGSWTYDGSQVDIILEDQDVDKRDFFDNGEWEIVSATGSKGNRTDSCCWYPYV
TYSFVIKRLPLFYTLFLIIPCIGLSFLTVLVFYLPSNEGEKICLCTSVLVSLTVFLLVIE
EIIPSSSKVIPLIGEYLVFTMIFVTLSIMVTVFAINIHHRSSSTHNAMAPLVRKIFLHTL
PKLLCMRSHVDRYFTQKEETESGSGPKSSRNTLEAALDSIRYITRHIMKENDVREVVEDW
KFIAQVLDRMFLWTFLFVSIVGSLGLFVPVIYKWANILIPVHIGNANK
Number of residues468
Molecular Weight53053.965
Theoretical pI6.98
GO Classification
Functions
  • ligand-gated ion channel activity
  • acetylcholine-activated cation-selective channel activity
  • acetylcholine receptor activity
  • acetylcholine binding
Processes
  • regulation of membrane potential
  • cation transmembrane transport
  • transport
  • neurological system process
  • signal transduction
  • synaptic transmission
  • behavioral response to nicotine
  • ion transmembrane transport
  • synaptic transmission, cholinergic
  • neuromuscular synaptic transmission
Components
  • acetylcholine-gated channel complex
  • postsynaptic membrane
  • plasma membrane
  • cell junction
  • dendrite
  • synapse
  • neuron projection
  • neuronal cell body
General FunctionLigand-gated ion channel activity
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 Regions255-275 282-302 317-337 430-451
GenBank Protein ID177926
UniProtKB IDP30532
UniProtKB Entry NameACHA5_HUMAN
Cellular LocationCell junction
Gene sequence
>lcl|BSEQ0017149|Neuronal acetylcholine receptor subunit alpha-5 (CHRNA5)
ATGGCGGCGCGGGGGTCAGGGCCCCGCGCGCTCCGCCTGCTGCTCTTGGTCCAGCTGGTC
GCGGGGCGCTGCGGTCTAGCGGGCGCGGCGGGCGGCGCGCAGAGAGGATTATCTGAACCT
TCTTCTATTGCAAAACATGAAGATAGTTTGCTTAAGGATTTATTTCAAGACTACGAAAGA
TGGGTTCGTCCTGTGGAACACCTGAATGACAAAATAAAAATAAAATTTGGACTTGCAATA
TCTCAATTGGTGGATGTGGATGAGAAAAATCAGTTAATGACAACAAACGTCTGGTTGAAA
CAGGAATGGATAGATGTAAAATTAAGATGGAACCCTGATGACTATGGTGGAATAAAAGTT
ATACGTGTTCCTTCAGACTCTGTCTGGACACCAGACATCGTTTTGTTTGATAATGCAGAT
GGACGTTTTGAAGGGACCAGTACGAAAACAGTCATCAGGTACAATGGCACTGTCACCTGG
ACTCCACCGGCAAACTACAAAAGTTCCTGTACCATAGATGTCACGTTTTTCCCATTTGAC
CTTCAGAACTGTTCCATGAAATTTGGTTCTTGGACTTATGATGGATCACAGGTTGATATA
ATTCTAGAGGACCAAGATGTAGACAAGAGAGATTTTTTTGATAATGGAGAATGGGAGATT
GTGAGTGCAACAGGGAGCAAAGGAAACAGAACCGACAGCTGTTGCTGGTATCCGTATGTC
ACTTACTCATTTGTAATCAAGCGCCTGCCTCTCTTTTATACCTTGTTCCTTATAATACCC
TGTATTGGGCTCTCATTTTTAACTGTACTTGTCTTCTATCTTCCTTCAAATGAAGGTGAA
AAGATTTGTCTCTGCACTTCAGTACTTGTGTCTTTGACTGTCTTCCTTCTGGTTATTGAA
GAGATCATACCATCATCTTCAAAAGTCATACCTCTAATTGGAGAGTATCTGGTATTTACC
ATGATTTTTGTGACACTGTCAATTATGGTAACCGTCTTCGCTATCAACATTCATCATCGT
TCTTCCTCAACACATAATGCCATGGCGCCTTTGGTCCGCAAGATATTTCTTCACACGCTT
CCCAAACTGCTTTGCATGAGAAGTCATGTAGACAGGTACTTCACTCAGAAAGAGGAAACT
GAGAGTGGTAGTGGACCAAAATCTTCTAGAAACACATTGGAAGCTGCGCTCGATTCTATT
CGCTACATTACAAGACACATCATGAAGGAAAATGATGTCCGTGAGGTTGTTGAAGATTGG
AAATTCATAGCCCAGGTTCTTGATCGGATGTTTCTGTGGACTTTTCTTTTCGTTTCAATT
GTTGGATCTCTTGGGCTTTTTGTTCCTGTTATTTATAAATGGGCAAATATATTAATACCA
GTTCATATTGGAAATGCAAATAAGTGA
GenBank Gene IDM83712
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:1959
Chromosome Location15
Locus15q24
References
  1. Chini B, Clementi F, Hukovic N, Sher E: Neuronal-type alpha-bungarotoxin receptors and the alpha 5-nicotinic receptor subunit gene are expressed in neuronal and nonneuronal human cell lines. Proc Natl Acad Sci U S A. 1992 Mar 1;89(5):1572-6. 1542648
  2. 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
  3. Groot Kormelink PJ, Luyten WH: Cloning and sequence of full-length cDNAs encoding the human neuronal nicotinic acetylcholine receptor (nAChR) subunits beta3 and beta4 and expression of seven nAChR subunits in the human neuroblastoma cell line SH-SY5Y and/or IMR-32. FEBS Lett. 1997 Jan 6;400(3):309-14. 9009220
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