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H2-Ob Gene Detail
Summary
  • Symbol
    H2-Ob
  • Name
    histocompatibility 2, O region beta locus
  • Synonyms
    A-beta-2, A-beta2, H2-Ab, H2-Ab2, H-2I, H2-IAb2, H-2Ob, Ob, vic1
  • Feature Type
    protein coding gene
  • IDs
    MGI:95925
    NCBI Gene: 15002
  • Alliance
  • Transcription Start Sites
    4 TSS
Location &
Maps
more
  • Sequence Map
    Chr17:34457879-34464882 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 17, 17.98 cM
  • Mapping Data
    10 experiments
Strain
Comparison
more
  • SNPs within 2kb
    6 from dbSNP Build 142
  • Strain Annotations
    19
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_95925
protein coding gene Chr17:34457877-34473388 (+)
129S1/SvImJ ENSMUSG00200045871
protein coding gene Chr17:30160989-30171395 (+)
A/J ENSMUSG00195046286
protein coding gene Chr17:31014244-31024708 (+)
AKR/J ENSMUSG00220051242
protein coding gene Chr17:30041886-30052351 (+)
BALB/cJ ENSMUSG00180028142
protein coding gene Chr17:30403956-30414456 (+)
C3H/HeJ ENSMUSG00175051986
protein coding gene Chr17:29928043-29938504 (+)
C57BL/6NJ ENSMUSG00215051843
protein coding gene Chr17:30001174-30011576 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0021451
protein coding gene Chr17:30558433-30565705 (+)
CAST/EiJ ENSTCUG00005050985
protein coding gene Chr17:30974059-30984386 (+)
CBA/J ENSMUSG00210039817
protein coding gene Chr17:29750147-29760611 (+)
DBA/2J ENSMUSG00185052146
protein coding gene Chr17:32423237-32433738 (+)
FVB/NJ ENSMUSG00205034608
protein coding gene Chr17:30278455-30288635 (+)
JF1/MsJ ENSUMUG00000041978
protein coding gene Chr17:31680115-31696671 (+)
LP/J ENSMUSG00230053630
protein coding gene Chr17:33559325-33569727 (+)
NOD/ShiLtJ ENSMUSG00190051155
protein coding gene Chr17:29901912-29912243 (+)
NZO/HlLtJ ENSMUSG00225054043
protein coding gene Chr17:35584141-35600734 (+)
PWK/PhJ ENSLUMG00010046212
protein coding gene Chr17:29532410-29549605 (+)
SPRET/EiJ ENSMSPG00010037546
protein coding gene Chr17:30665228-30681831 (+)
WSB/EiJ ENSIUOG00005047316
protein coding gene Chr17:30600325-30616894 (+)



Homology
more
  • Human Ortholog
    HLA-DOB, major histocompatibility complex, class II, DO beta
  • Vertebrate Orthologs
    7
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    HLA-DOB, major histocompatibility complex, class II, DO beta
  • Synonyms
    DOB, HLA_DOB
  • Links
    NCBI Gene ID: 3112
    UniProt: P13765

  • Chr Location
    6p21.32; chr6:32812763-32820466 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    5 phenotypes from 2 alleles in 5 genetic backgrounds
    14 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 loss-of-function mutations in this gene result in defective assembly of class II molecules, decreased susceptibility to viral infection, and decreased incidence of MMTV-induced mammary tumors.
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
Sequences &
Gene Models
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Representative SequencesLengthStrain/SpeciesFlank
genomic 15002 NCBI Gene Model | MGI Sequence Detail 7004 C57BL/6J ±  kb
transcript NM_010389 RefSeq | MGI Sequence Detail 2670 ZRU/MplStud  
polypeptide NP_034519 RefSeq | MGI Sequence Detail 271 ZRU/MplStud  
For the selected sequence
Protein
Information
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  • UniProt
    10 Sequences
  • InterPro Domains
    IPR003597 Immunoglobulin C1-set
    IPR007110 Immunoglobulin-like domain
    IPR036179 Immunoglobulin-like domain superfamily
    IPR013783 Immunoglobulin-like fold
    IPR003006 Immunoglobulin/major histocompatibility complex, conserved site
    IPR050160 Major Histocompatibility Complex/Immunoglobulin
    IPR011162 MHC classes I/II-like antigen recognition protein
    IPR014745 MHC class II, alpha/beta chain, N-terminal
    IPR000353 MHC class II, beta chain, N-terminal
Molecular
Reagents
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  • All nucleic 76
    Genomic 25
    cDNA 49
    Primer pair 2

    Microarray probesets 3
Other
Accession IDs
less
MGD-MRK-10378, MGD-MRK-10409, MGD-MRK-10491, MGD-MRK-10521, MGD-MRK-23933, MGI:3573871, MGI:894613
References
more
  • Summaries
    All 64
    Developmental Gene Expression 1
    Gene Ontology 7
    Phenotypes 14
  • Earliest
    J:6885 Steinmetz M, et al., A molecular map of the immune response region from the major histocompatibility complex of the mouse. Nature. 1982 Nov 4;300(5887):35-42
  • Latest
    J:360358 Cullum E, et al., Deficiency in non-classical major histocompatibility class II-like molecule, H2-O confers protection against Staphylococcus aureus in mice. PLoS Pathog. 2024 Jun;20(6):e1012306

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