About   Help   FAQ
Chrna1 Gene Detail
Summary
  • Symbol
    Chrna1
  • Name
    cholinergic receptor nicotinic alpha 1 subunit
  • Synonyms
    Achr-1, Acra
  • Feature Type
    protein coding gene
  • IDs
    MGI:87885
    NCBI Gene: 11435
  • Alliance
    gene page
  • Transcription Start Sites
    1 TSS
Location &
Maps
more
  • Sequence Map
    Chr2:73393625-73410682 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 2, 43.76 cM
  • Mapping Data
    50 experiments
Strain
Comparison
more
  • SNPs within 2kb
    670 from dbSNP Build 142
  • Strain Annotations
    18
  • RFLP
    14
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_87885
 protein coding gene Chr2:73393559-73410682 (-)
129S1/SvImJ MGP_129S1SvImJ_G0025839
 protein coding gene Chr2:73846526-73866920 (-)
A/J MGP_AJ_G0025817
 protein coding gene Chr2:70948181-70965282 (-)
AKR/J MGP_AKRJ_G0025785
 protein coding gene Chr2:72893445-72912767 (-)
BALB/cJ MGP_BALBcJ_G0025811
 protein coding gene Chr2:71136630-71154585 (-)
C3H/HeJ MGP_C3HHeJ_G0025571
 protein coding gene Chr2:73078154-73098205 (-)
C57BL/6NJ MGP_C57BL6NJ_G0026258
 protein coding gene Chr2:76042931-76063850 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0023661
 protein coding gene Chr2:68144313-68396465 (-)
CAST/EiJ MGP_CASTEiJ_G0025035
 protein coding gene Chr2:73357149-73377055 (-)
CBA/J MGP_CBAJ_G0025552
 protein coding gene Chr2:78816747-78839710 (-)
DBA/2J MGP_DBA2J_G0025683
 protein coding gene Chr2:70543650-70561805 (-)
FVB/NJ MGP_FVBNJ_G0025645
 protein coding gene Chr2:69957480-69976254 (-)
LP/J MGP_LPJ_G0025771
 protein coding gene Chr2:73720677-73739281 (-)
NOD/ShiLtJ MGP_NODShiLtJ_G0025676
 protein coding gene Chr2:80736171-80755494 (-)
NZO/HlLtJ MGP_NZOHlLtJ_G0026315
 protein coding gene Chr2:72979571-73001283 (-)
PWK/PhJ MGP_PWKPhJ_G0024776
 protein coding gene Chr2:70472343-70489344 (-)
SPRET/EiJ MGP_SPRETEiJ_G0024584
 protein coding gene Chr2:73215625-73236741 (-)
WSB/EiJ MGP_WSBEiJ_G0025103
 protein coding gene Chr2:73435127-73454383 (-)



Homology
more
  • Human Ortholog
    CHRNA1, cholinergic receptor nicotinic alpha 1 subunit
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    CHRNA1, cholinergic receptor nicotinic alpha 1 subunit
  • Synonyms
    ACHRA, ACHRD, CHRNA, CMS1A, CMS1B, CMS2A, FCCMS, SCCMS
  • Links
    NCBI Gene ID: 1134
    neXtProt AC: NX_P02708
    UniProt: P02708

  • Chr Location
    2q31.1; chr2:174747592-174787935 (-)  GRCh38
Human Diseases
more
  • Diseases
    2 with human CHRNA1 associations

Human Disease Mouse Models
      
IDs
IDs
Click on a disease name to see all genes associated with that disease.

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    9 phenotypes from 2 alleles in 2 genetic backgrounds
    1 phenotype from multigenic genotypes
    25 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Mice homozygous for a knock-out allele exhibit neonatal lethality, kyphosis, carpotosis, absent miniature and nerve-evoked endplant potential, increased motor neuron number, and abnormal neuromuscular synapse.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    60
  • GO References
    16
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
    874
  • Tissues
    53
  • cDNA Data
    32
  • Literature Summary
    43
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 11435 NCBI Gene Model | MGI Sequence Detail 17058 C57BL/6J ±  kb
    transcript NM_007389 RefSeq | MGI Sequence Detail 4320 ZRU/MplStud  
    polypeptide P04756 UniProt | EBI | MGI Sequence Detail 457 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    • UniProt
      4 Sequences
    • Protein Ontology
      PR:000005453 acetylcholine receptor subunit alpha
      (term hierarchy)
    • PDB
      2QC1, 5HBV
    • InterPro Domains
      IPR038050 Neuronal acetylcholine receptor
      IPR006201 Neurotransmitter-gated ion-channel
      IPR018000 Neurotransmitter-gated ion-channel, conserved site
      IPR006202 Neurotransmitter-gated ion-channel ligand-binding domain
      IPR036734 Neurotransmitter-gated ion-channel ligand-binding domain superfamily
      IPR006029 Neurotransmitter-gated ion-channel transmembrane domain
      IPR036719 Neurotransmitter-gated ion-channel transmembrane domain superfamily
      IPR002394 Nicotinic acetylcholine receptor
    • GlyGen
      P04756 1 site
    Molecular
    Reagents
    less
    • All nucleic 46
      cDNA 35
      Primer pair 4
      Other 7

      Microarray probesets 4
    Other
    Accession IDs
    less
    MGD-MRK-1036, MGD-MRK-1054, MGI:2138920, MGI:2139021
    References
    more
    • Summaries
      All 201
      Developmental Gene Expression 43
      Gene Ontology 16
      Phenotypes 25
    • Earliest
      J:263579 Porter CW, et al., The ultrastructural localization and quantitation of cholinergic receptors at the mouse motor endplate. J Membr Biol. 1973;14(4):383-402
    • Latest
      J:353626 Ohkawara B, et al., Transcriptome profile of subsynaptic myonuclei at the neuromuscular junction in embryogenesis. J Neurochem. 2024 Apr;168(4):342-354
    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
    Citing These Resources
    Funding Information
    Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
    Send questions and comments to User Support.     		last database update
    12/10/2024
    MGI 6.24     		The Jackson Laboratory