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Tbx1 Gene Detail
Summary
  • Symbol
    Tbx1
  • Name
    T-box 1
  • Synonyms
    nmf219
  • Feature Type
    protein coding gene
  • IDs
    MGI:98493
    NCBI Gene: 21380
  • Alliance
  • Transcription Start Sites
    7 TSS
Location &
Maps
more
  • Sequence Map
    Chr16:18399729-18409412 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 16, Syntenic
  • Mapping Data
    15 experiments
Strain
Comparison
more
  • SNPs within 2kb
    1 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_98493
protein coding gene Chr16:18399729-18409421 (-)
129S1/SvImJ ENSMUSG00200041128
protein coding gene Chr16:15396705-15406397 (-)
A/J ENSMUSG00195033920
protein coding gene Chr16:14954095-14963788 (-)
AKR/J ENSMUSG00220045398
protein coding gene Chr16:15270344-15280035 (-)
BALB/cJ ENSMUSG00180039723
protein coding gene Chr16:15195355-15205048 (-)
C3H/HeJ ENSMUSG00175047952
protein coding gene Chr16:15340079-15349771 (-)
C57BL/6NJ ENSMUSG00215032141
protein coding gene Chr16:15061422-15071116 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0020549
protein coding gene Chr16:15068393-15073653 (-)
CAST/EiJ ENSTCUG00005041204
protein coding gene Chr16:15268326-15277986 (-)
CBA/J ENSMUSG00210042860
protein coding gene Chr16:15356399-15366093 (-)
DBA/2J ENSMUSG00185030088
protein coding gene Chr16:15301004-15310697 (-)
FVB/NJ ENSMUSG00205020566
protein coding gene Chr16:15310538-15320233 (-)
JF1/MsJ ENSUMUG00000017727
protein coding gene Chr16:15397518-15407201 (-)
LP/J ENSMUSG00230040756
protein coding gene Chr16:17880422-17890114 (-)
NOD/ShiLtJ ENSMUSG00190043158
protein coding gene Chr16:15442619-15452311 (-)
NZO/HlLtJ ENSMUSG00225037914
protein coding gene Chr16:21126240-21135932 (-)
PWK/PhJ ENSLUMG00010043020
protein coding gene Chr16:15274417-15284106 (-)
SPRET/EiJ ENSMSPG00010037077
protein coding gene Chr16:15280093-15289784 (-)
WSB/EiJ ENSIUOG00005042139
protein coding gene Chr16:15436115-15445806 (-)



Homology
more
  • Human Ortholog
    TBX1, T-box transcription factor 1
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    TBX1, T-box transcription factor 1
  • Synonyms
    CAFS, CATCH22, CTHM, DGCR, DGS, DORV, TBX1C, TGA, VCF, VCFS
  • Links
    NCBI Gene ID: 6899
    UniProt: O43435

  • Chr Location
    22q11.21; chr22:19756703-19783593 (+)  GRCh38

Human Diseases
more
  • Diseases
    4 with Tbx1 mouse models; 8 with human TBX1 associations

Human Disease Mouse Models
      
IDs
View 24 models
IDs
View 6 models
      
IDs
View 1 model
IDs
View 1 model
      
IDs
IDs
IDs
IDs
IDs
View 1 model
IDs
Click on a disease name to see all genes associated with that disease.

  • Mutations/Alleles
    9 with disease annotations
  • References
    19 with disease annotations
Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    249 phenotypes from 21 alleles in 39 genetic backgrounds
    99 phenotypes from multigenic genotypes
    11 images
    309 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.
Homozygous null mice display neonatal lethality, persistent truncus arteriosis, abnormal aortic arch, abnormal inner, middle, and outer ear morphology, abnormal lymphangiogenesis, and abnormal cranial base morphology. Heterozygous null mice display abnormal fourth aortic arch arteries.
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 21380 NCBI Gene Model | MGI Sequence Detail 9684 C57BL/6J ±  kb
    transcript NM_001373938 RefSeq | MGI Sequence Detail 3333 ZRU/MplStud  
    polypeptide P70323 UniProt | EBI | MGI Sequence Detail 479 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 111
      Genomic 31
      cDNA 26
      Primer pair 23
      Other 31
      Antibodies 9

      Microarray probesets 2
    Other
    Accession IDs
    less
    MGD-MRK-14730, MGI:3032509
    References
    more
    • Summaries
      All 499
      Developmental Gene Expression 236
      Diseases 19
      Gene Ontology 61
      Phenotypes 309
    • Earliest
      J:18978 Bollag RJ, et al., An ancient family of embryonically expressed mouse genes sharing a conserved protein motif with the T locus. Nat Genet. 1994 Jul;7(3):383-9
    • Latest
      J:391400 Miller D, et al., Reduced dosage of Kmt2d modifies Tbx1 haploinsufficiency toward phenotypes of 22q11.2DS. JCI Insight. 2026 Aug 24;11(16)

    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
    09/08/2026
    MGI 6.24
    The Jackson Laboratory