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Or2a20 Gene Detail
Summary
  • Symbol
    Or2a20
  • Name
    olfactory receptor family 2 subfamily A member 2
  • Synonyms
    GA_x6K02T2P3E9-4341246-4340281, MOR261-10, Olfr434
Location &
Maps
more
  • Sequence Map
    Chr6:43193849-43194814 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 6, 21.12 cM
  • Mapping Data
    1 experiment
Strain
Comparison
more
  • SNPs within 2kb
    193 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_3030268
 protein coding gene Chr6:43189955-43195047 (+)
129S1/SvImJ ENSMUSG00200005143
 protein coding gene Chr6:40250090-40255473 (+)
A/J ENSMUSG00195033227
 protein coding gene Chr6:40152657-40158040 (+)
AKR/J ENSMUSG00220008815
 protein coding gene Chr6:39818626-39824010 (+)
BALB/cJ ENSMUSG00180019405
 protein coding gene Chr6:40347315-40352698 (+)
C3H/HeJ ENSMUSG00175046595
 protein coding gene Chr6:40176270-40181653 (+)
C57BL/6NJ ENSMUSG00215008486
 protein coding gene Chr6:40302330-40307713 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0028318
 protein coding gene Chr6:37882826-37925650 (+)
CAST/EiJ ENSTCUG00005025381
 protein coding gene Chr6:39695147-39700385 (+)
CBA/J ENSMUSG00210017545
 protein coding gene Chr6:40226029-40231412 (+)
DBA/2J ENSMUSG00185013382
 protein coding gene Chr6:40328561-40333944 (+)
FVB/NJ ENSMUSG00205018642
 protein coding gene Chr6:40217421-40222804 (+)
JF1/MsJ ENSUMUG00000014326
 protein coding gene Chr6:39854326-39859554 (+)
LP/J ENSMUSG00230015044
 protein coding gene Chr6:41253330-41258713 (+)
NOD/ShiLtJ ENSMUSG00190024580
 protein coding gene Chr6:40134415-40139798 (+)
NZO/HlLtJ ENSMUSG00225018366
 protein coding gene Chr6:43232805-43238188 (+)
PWK/PhJ ENSLUMG00010040896
 protein coding gene Chr6:39680661-39685878 (+)
SPRET/EiJ ENSMSPG00010008582
 protein coding gene Chr6:40297602-40298657 (+)
WSB/EiJ ENSIUOG00005026850
 protein coding gene Chr6:40465714-40471095 (+)



Homology
more
  • Human Ortholog
    OR2A1, olfactory receptor family 2 subfamily A member 1
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    OR2A1, olfactory receptor family 2 subfamily A member 1
  • Links
    NCBI Gene ID: 346528
    UniProt: Q8NGT9

  • Chr Location
    7q35; chr7:144312079-144322737 (+)  GRCh38
  • Human Ortholog
    OR2A42, olfactory receptor family 2 subfamily A member 42
  • Links
    NCBI Gene ID: 402317
    UniProt: Q8NGT9

  • Chr Location
    7q35; chr7:144228244-144239605 (-)  GRCh38
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    1 phenotype reference
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    16
  • GO References
    6
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
    597
  • cDNA Data
    2
Sequences &
Gene Models
less
Representative SequencesLengthStrain/SpeciesFlank
genomic 258366 NCBI Gene Model | MGI Sequence Detail 966 C57BL/6J ±  kb
transcript NM_146369 RefSeq | MGI Sequence Detail 966 Not Specified  
polypeptide NP_666481 RefSeq | MGI Sequence Detail 321 Not Specified  
For the selected sequence
Protein
Information
less
  • UniProt
    2 Sequences
  • InterPro Domains
    IPR017452 GPCR, rhodopsin-like, 7TM
    IPR000276 G protein-coupled receptor, rhodopsin-like
    IPR000725 Olfactory receptor
Molecular
Reagents
less
  • All nucleic 2
    cDNA 2

    Microarray probesets 1
Other
Accession IDs
less
MGI:7277062
References
more
  • Summaries
    All 18
    Gene Ontology 6
    Phenotypes 1
  • Earliest
    J:74521 Zhang X, et al., The olfactory receptor gene superfamily of the mouse. Nat Neurosci. 2002 Feb;5(2):124-33
  • Latest
    J:289678 Olender T, et al., A unified nomenclature for vertebrate olfactory receptors. BMC Evol Biol. 2020 Apr 15;20(1):42
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
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Send questions and comments to User Support. 		last database update
09/08/2026
MGI 6.24 		The Jackson Laboratory