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Bhlhe23 Gene Detail
Summary
  • Symbol
    Bhlhe23
  • Name
    basic helix-loop-helix family, member e23
  • Synonyms
    A930001L02Rik, BETA4, beta-cell E-box transactivating factor 4, Bhlhb4
Location &
Maps
more
  • Sequence Map
    Chr2:180416174-180418693 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 2, 103.34 cM, cytoband H3-H4
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    132 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_2153710
protein coding gene Chr2:180416174-180418693 (-)
129S1/SvImJ ENSMUSG00200001666
protein coding gene Chr2:176438208-176440727 (-)
A/J ENSMUSG00195001076
protein coding gene Chr2:176675875-176678394 (-)
AKR/J ENSMUSG00220000056
protein coding gene Chr2:174354489-174357008 (-)
BALB/cJ ENSMUSG00180000368
protein coding gene Chr2:174478412-174480931 (-)
C3H/HeJ ENSMUSG00175004199
protein coding gene Chr2:175636478-175638997 (-)
C57BL/6NJ ENSMUSG00215002459
protein coding gene Chr2:174577681-174580200 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0024789
protein coding gene Chr2:170314047-170316562 (-)
CAST/EiJ ENSTCUG00005000648
protein coding gene Chr2:173926988-173929479 (-)
CBA/J ENSMUSG00210000876
protein coding gene Chr2:174956179-174958698 (-)
DBA/2J ENSMUSG00185019369
protein coding gene Chr2:176195902-176198421 (-)
FVB/NJ ENSMUSG00205002229
protein coding gene Chr2:175008232-175010751 (-)
JF1/MsJ ENSUMUG00000017045
protein coding gene Chr2:177373693-177376204 (-)
LP/J ENSMUSG00230020841
protein coding gene Chr2:178089165-178091684 (-)
NOD/ShiLtJ ENSMUSG00190015410
protein coding gene Chr2:174497775-174500294 (-)
NZO/HlLtJ ENSMUSG00225006859
protein coding gene Chr2:186176456-186178975 (-)
PWK/PhJ ENSLUMG00010000109
protein coding gene Chr2:174799776-174802286 (-)
SPRET/EiJ ENSMSPG00010003959
protein coding gene Chr2:177286045-177286935 (-)
WSB/EiJ ENSIUOG00005000058
protein coding gene Chr2:174521203-174523722 (-)



Homology
more
  • Human Ortholog
    BHLHE23, basic helix-loop-helix family member e23
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    BHLHE23, basic helix-loop-helix family member e23
  • Synonyms
    bA305P22.3, Beta3b, BETA4, BHLHB4
  • Links
    NCBI Gene ID: 128408
    UniProt: Q8NDY6

  • Chr Location
    20q13.33; chr20:63005927-63007035 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    3 phenotypes from 1 allele in 1 genetic background
    7 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 display a severe deficit in retinal activity characterized by improper retinal rod bipolar cell maturation, loss of the scotopic ERG b-wave, and a significant increase in inner nuclear layer (INL) cell apoptosis.
Gene Ontology
(GO)
Classifications
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  • All GO Annotations
  • GO References
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
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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
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 140489 NCBI Gene Model | MGI Sequence Detail 2520 C57BL/6J ±  kb
    transcript NM_080641 RefSeq | MGI Sequence Detail 2520 ZRU/MplStud  
    polypeptide Q8BGW3 UniProt | EBI | MGI Sequence Detail 223 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    • UniProt
      2 Sequences
    • Protein Ontology
      PR:000004739 class E basic helix-loop-helix protein 23
    • InterPro Domains
      IPR050359 Basic helix-loop-helix transcription factors
      IPR036638 Helix-loop-helix DNA-binding domain superfamily
      IPR011598 Myc-type, basic helix-loop-helix (bHLH) domain
    Molecular
    Reagents
    less
    • All nucleic 17
      Genomic 1
      cDNA 11
      Primer pair 4
      Other 1

      Microarray probesets 2
    Other
    Accession IDs
    less
    MGI:2442178
    References
    more
    • Summaries
      All 50
      Developmental Gene Expression 19
      Gene Ontology 8
      Phenotypes 7
    • Earliest
      J:73895 Bramblett DE, et al., BHLHB4 Is a bHLH Transcriptional Regulator in Pancreas and Brain That Marks the Dimesencephalic Boundary. Genomics. 2002 Mar;79(3):402-12
    • Latest
      J:278245 Guo Q, et al., Defining developmental diversification of diencephalon neurons through single cell gene expression profiling. Development. 2019 Apr 1;146(12):dev174284

    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)
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    Funding Information
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    last database update
    09/01/2026
    MGI 6.24
    The Jackson Laboratory