NameAcetylcholine receptor subunit epsilon
Synonyms
  • ACHRE
Gene NameCHRNE
OrganismHuman
Amino acid sequence
>lcl|BSEQ0013247|Acetylcholine receptor subunit epsilon
MARAPLGVLLLLGLLGRGVGKNEELRLYHHLFNNYDPGSRPVREPEDTVTISLKVTLTNL
ISLNEKEETLTTSVWIGIDWQDYRLNYSKDDFGGIETLRVPSELVWLPEIVLENNIDGQF
GVAYDANVLVYEGGSVTWLPPAIYRSVCAVEVTYFPFDWQNCSLIFRSQTYNAEEVEFTF
AVDNDGKTINKIDIDTEAYTENGEWAIDFCPGVIRRHHGGATDGPGETDVIYSLIIRRKP
LFYVINIIVPCVLISGLVLLAYFLPAQAGGQKCTVSINVLLAQTVFLFLIAQKIPETSLS
VPLLGRFLIFVMVVATLIVMNCVIVLNVSQRTPTTHAMSPRLRHVLLELLPRLLGSPPPP
EAPRAASPPRRASSVGLLLRAEELILKKPRSELVFEGQRHRQGTWTAAFCQSLGAAAPEV
RCCVDAVNFVAESTRDQEATGEEVSDWVRMGNALDNICFWAALVLFSVGSSLIFLGAYFN
RVPDLPYAPCIQP
Number of residues493
Molecular Weight54696.54
Theoretical pINot Available
GO Classification
Functions
  • acetylcholine-activated cation-selective channel activity
  • acetylcholine receptor activity
  • cation transmembrane transporter activity
Processes
  • neuromuscular synaptic transmission
  • response to nicotine
  • regulation of membrane potential
  • muscle contraction
  • cation transmembrane transport
  • neurological system process
  • transport
  • signal transduction
  • skeletal muscle contraction
  • synaptic transmission
  • synaptic transmission, cholinergic
Components
  • neuron projection
  • acetylcholine-gated channel complex
  • postsynaptic membrane
  • plasma membrane
  • cell junction
  • integral component of plasma membrane
  • synapse
General FunctionCation transmembrane transporter 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 Regions240-264 273-291 307-328 457-480
GenBank Protein IDNot Available
UniProtKB IDQ04844
UniProtKB Entry NameACHE_HUMAN
Cellular LocationCell junction
Gene sequence
>lcl|BSEQ0013248|Acetylcholine receptor subunit epsilon (CHRNE)
ATGGCAAGGGCTCCGCTTGGGGTCCTGCTCCTCTTGGGGCTTCTCGGCAGGGGTGTGGGG
AAGAACGAGGAACTGCGTCTTTATCACCATCTCTTCAACAACTATGACCCAGGAAGCCGG
CCAGTGCGGGAGCCTGAGGATACTGTCACCATCAGCCTCAAGGTCACCCTGACGAATCTC
ATCTCACTGAATGAAAAAGAGGAGACTCTCACCACTAGCGTCTGGATTGGAATCGATTGG
CAGGATTACCGACTCAACTACAGCAAGGACGACTTTGGGGGTATAGAAACCCTGCGAGTC
CCTTCAGAACTCGTGTGGCTGCCAGAGATTGTGCTGGAAAACAATATTGATGGCCAGTTC
GGAGTGGCCTACGACGCCAACGTGCTCGTCTACGAGGGCGGCTCCGTGACGTGGCTGCCT
CCGGCCATCTACCGCAGCGTCTGCGCAGTGGAGGTCACCTACTTCCCCTTCGATTGGCAG
AACTGTTCGCTTATTTTCCGCTCTCAGACGTACAATGCCGAAGAGGTGGAGTTCACTTTT
GCCGTAGACAACGACGGCAAGACCATCAACAAGATCGACATCGACACAGAGGCCTATACT
GAGAACGGCGAGTGGGCCATCGACTTCTGCCCGGGGGTGATCCGCCGCCACCACGGTGGC
GCCACCGACGGCCCAGGGGAGACTGACGTCATCTACTCGCTCATCATCCGCCGGAAGCCG
CTCTTCTACGTCATTAACATCATCGTGCCCTGTGTGCTCATCTCGGGCCTGGTGCTGCTC
GCCTACTTCCTGCCGGCGCAGGCCGGCGGCCAGAAATGCACGGTCTCCATCAACGTCCTG
CTCGCCCAGACCGTCTTCTTGTTCCTCATTGCCCAGAAAATCCCAGAGACTTCTCTGAGC
GTGCCGCTCCTGGGCAGGTTCCTTATTTTCGTCATGGTGGTCGCCACGCTCATTGTCATG
AATTGCGTCATCGTGCTCAACGTGTCCCAGCGGACGCCCACCACCCACGCCATGTCCCCG
CGGCTGCGCCACGTTCTCCTGGAGCTGCTGCCGCGCCTCCTGGGCTCCCCGCCGCCGCCC
GAGGCCCCCCGGGCCGCCTCGCCCCCAAGGCGGGCGTCGTCGGTGGGCTTATTGCTCCGC
GCGGAGGAGCTGATACTGAAAAAGCCACGGAGCGAGCTCGTGTTTGAGGGGCAGAGGCAC
CGGCAGGGGACCTGGACGGCTGCCTTCTGCCAGAGCCTGGGCGCCGCCGCCCCCGAGGTC
CGCTGCTGTGTGGATGCCGTGAACTTCGTGGCCGAGAGCACGAGAGATCAGGAGGCCACC
GGCGAGGAAGTGTCCGACTGGGTGCGCATGGGGAATGCCCTTGACAACATCTGCTTCTGG
GCCGCTCTGGTGCTCTTCAGCGTGGGCTCCAGCCTCATCTTCCTCGGGGCCTACTTCAAC
CGAGTGCCTGATCTCCCCTACGCGCCGTGTATCCAGCCTTAG
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:1966
Chromosome Location17
LocusNot Available
References
  1. Beeson D, Brydson M, Betty M, Jeremiah S, Povey S, Vincent A, Newsom-Davis J: Primary structure of the human muscle acetylcholine receptor. cDNA cloning of the gamma and epsilon subunits. Eur J Biochem. 1993 Jul 15;215(2):229-38. 7688301
  2. Gomez CM, Gammack JT: A leucine-to-phenylalanine substitution in the acetylcholine receptor ion channel in a family with the slow-channel syndrome. Neurology. 1995 May;45(5):982-5. 7538206
  3. Ohno K, Hutchinson DO, Milone M, Brengman JM, Bouzat C, Sine SM, Engel AG: Congenital myasthenic syndrome caused by prolonged acetylcholine receptor channel openings due to a mutation in the M2 domain of the epsilon subunit. Proc Natl Acad Sci U S A. 1995 Jan 31;92(3):758-62. 7531341
  4. Engel AG, Ohno K, Milone M, Wang HL, Nakano S, Bouzat C, Pruitt JN 2nd, Hutchinson DO, Brengman JM, Bren N, Sieb JP, Sine SM: New mutations in acetylcholine receptor subunit genes reveal heterogeneity in the slow-channel congenital myasthenic syndrome. Hum Mol Genet. 1996 Sep;5(9):1217-27. 8872460
  5. Ohno K, Wang HL, Milone M, Bren N, Brengman JM, Nakano S, Quiram P, Pruitt JN, Sine SM, Engel AG: Congenital myasthenic syndrome caused by decreased agonist binding affinity due to a mutation in the acetylcholine receptor epsilon subunit. Neuron. 1996 Jul;17(1):157-70. 8755487
  6. Ohno K, Quiram PA, Milone M, Wang HL, Harper MC, Pruitt JN 2nd, Brengman JM, Pao L, Fischbeck KH, Crawford TO, Sine SM, Engel AG: Congenital myasthenic syndromes due to heteroallelic nonsense/missense mutations in the acetylcholine receptor epsilon subunit gene: identification and functional characterization of six new mutations. Hum Mol Genet. 1997 May;6(5):753-66. 9158150
  7. Wang HL, Ohno K, Milone M, Brengman JM, Evoli A, Batocchi AP, Middleton LT, Christodoulou K, Engel AG, Sine SM: Fundamental gating mechanism of nicotinic receptor channel revealed by mutation causing a congenital myasthenic syndrome. J Gen Physiol. 2000 Sep;116(3):449-62. 10962020
  8. Croxen R, Hatton C, Shelley C, Brydson M, Chauplannaz G, Oosterhuis H, Vincent A, Newsom-Davis J, Colquhoun D, Beeson D: Recessive inheritance and variable penetrance of slow-channel congenital myasthenic syndromes. Neurology. 2002 Jul 23;59(2):162-8. 12141316
  9. Shen XM, Brengman JM, Edvardson S, Sine SM, Engel AG: Highly fatal fast-channel syndrome caused by AChR epsilon subunit mutation at the agonist binding site. Neurology. 2012 Jul 31;79(5):449-54. doi: 10.1212/WNL.0b013e31825b5bda. Epub 2012 May 16. 22592360