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Hoxb9 Gene Detail
Summary
  • Symbol
    Hoxb9
  • Name
    homeobox B9
  • Synonyms
    Hox-2.5
  • Feature Type
    protein coding gene
  • IDs
    MGI:96190
    NCBI Gene: 15417
  • Member of
    Hoxb cluster
  • Alliance
  • Transcription Start Sites
    8 TSS
  • Regulated by
    Rr36, Rr578 (2 regulatory regions)
Location &
Maps
more
  • Sequence Map
    Chr11:96162283-96167421 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 11, 59.81 cM
  • Mapping Data
    9 experiments
Strain
Comparison
more
  • SNPs within 2kb
    143 from dbSNP Build 142
  • Strain Annotations
    19
  • PCR
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_96190
protein coding gene Chr11:96162156-96167421 (+)
129S1/SvImJ ENSMUSG00200049414
protein coding gene Chr11:93406651-93411791 (+)
A/J ENSMUSG00195047555
protein coding gene Chr11:93128304-93133466 (+)
AKR/J ENSMUSG00220044426
protein coding gene Chr11:93387384-93392545 (+)
BALB/cJ ENSMUSG00180046068
protein coding gene Chr11:93391521-93396665 (+)
C3H/HeJ ENSMUSG00175048953
protein coding gene Chr11:93387382-93392521 (+)
C57BL/6NJ ENSMUSG00215053818
protein coding gene Chr11:92979803-92984944 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0017024
protein coding gene Chr11:92042738-92047909 (+)
CAST/EiJ ENSTCUG00005045306
protein coding gene Chr11:92830468-92835619 (+)
CBA/J ENSMUSG00210051524
protein coding gene Chr11:93090822-93095992 (+)
DBA/2J ENSMUSG00185049207
protein coding gene Chr11:93437223-93442363 (+)
FVB/NJ ENSMUSG00205025474
protein coding gene Chr11:93293706-93298848 (+)
JF1/MsJ ENSUMUG00000050112
protein coding gene Chr11:93743431-93748603 (+)
LP/J ENSMUSG00230045934
protein coding gene Chr11:94489735-94494873 (+)
NOD/ShiLtJ ENSMUSG00190045936
protein coding gene Chr11:93485180-93490322 (+)
NZO/HlLtJ ENSMUSG00225049653
protein coding gene Chr11:96545523-96550661 (+)
PWK/PhJ ENSLUMG00010050551
protein coding gene Chr11:93288590-93293728 (+)
SPRET/EiJ ENSMSPG00010046303
protein coding gene Chr11:93790573-93794178 (+)
WSB/EiJ ENSIUOG00005046415
protein coding gene Chr11:93232879-93238029 (+)



Homology
more
  • Human Ortholog
    HOXB9, homeobox B9
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    HOXB9, homeobox B9
  • Synonyms
    HOX2, HOX-2.5, HOX2E
  • Links
    NCBI Gene ID: 3219
    UniProt: P17482

  • Chr Location
    17q21.32; chr17:48621156-48626358 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    7 phenotypes from 1 allele in 1 genetic background
    17 phenotypes from multigenic genotypes
    22 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.
Mutations affect developing thoracic skeletal elements. Homozygotes exhibit rib fusion, abnormal rib attachment to the sternum, and reduced intercostal segments of the sternum. Homozygotes or heterozygotes may show an eighth rib attached to the sternum.
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
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
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000020875 Ensembl Gene Model | MGI Sequence Detail 5139 C57BL/6J ±  kb
    transcript ENSMUST00000000010 Ensembl | MGI Sequence Detail 2574 Not Applicable  
    polypeptide ENSMUSP00000000010 Ensembl | MGI Sequence Detail 250 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 73
      Genomic 18
      cDNA 21
      Primer pair 14
      Other 20

      Microarray probesets 3
    Other
    Accession IDs
    less
    MGD-MRK-10833, MGD-MRK-10891
    References
    more
    • Summaries
      All 140
      Developmental Gene Expression 77
      Gene Ontology 13
      Phenotypes 22
    • Earliest
      J:9628 Do MS, et al., Gene organization of murine homeobox-containing gene clusters. Genomics. 1988 Oct;3(3):195-200
    • Latest
      J:388827 Chen Y, et al., Gastrula-Premarked Posterior Enhancer Primes Posterior Tissue Development Through Cross-Talk with TGF-beta Signaling Pathway. Adv Sci (Weinh). 2025 Sep;12(36):e00895

    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