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Upf3b Gene Detail
Summary
  • Symbol
    Upf3b
  • Name
    UPF3 regulator of nonsense transcripts homolog B (yeast)
  • Synonyms
    5730594O13Rik, RENT3B, UPF3X
  • Feature Type
    protein coding gene
  • IDs
    MGI:1915384
    NCBI Gene: 68134
  • Alliance
    genome feature page
  • Transcription Start Sites
    4 TSS
Location &
Maps
more
  • Sequence Map
    ChrX:36355331-36373975 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome X, 21.51 cM, cytoband A2
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    375 from dbSNP Build 142
  • Strain Annotations
    18
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1915384
 protein coding gene ChrX:36355331-36374124 (-)
129S1/SvImJ MGP_129S1SvImJ_G0035631
 protein coding gene ChrX:32039176-32057821 (-)
A/J MGP_AJ_G0035608
 protein coding gene ChrX:32093231-32113582 (-)
AKR/J MGP_AKRJ_G0035541
 protein coding gene ChrX:32820465-32840956 (-)
BALB/cJ MGP_BALBcJ_G0035601
 protein coding gene ChrX:31826634-31845157 (-)
C3H/HeJ MGP_C3HHeJ_G0035319
 protein coding gene ChrX:32348655-32367505 (-)
C57BL/6NJ MGP_C57BL6NJ_G0036137
 protein coding gene ChrX:32672055-32692333 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0032999
 protein coding gene ChrX:30310383-30329598 (-)
CAST/EiJ MGP_CASTEiJ_G0034609
 protein coding gene ChrX:20508226-20528281 (-)
CBA/J MGP_CBAJ_G0035288
 protein coding gene ChrX:33537026-33557501 (-)
DBA/2J MGP_DBA2J_G0035439
 protein coding gene ChrX:31917317-31936704 (-)
FVB/NJ MGP_FVBNJ_G0035386
 protein coding gene ChrX:31685436-31703948 (-)
LP/J MGP_LPJ_G0035521
 protein coding gene ChrX:32402965-32421724 (-)
NOD/ShiLtJ MGP_NODShiLtJ_G0035430
 protein coding gene ChrX:33981175-33999640 (-)
NZO/HlLtJ MGP_NZOHlLtJ_G0036144
 protein coding gene ChrX:32004942-32023536 (-)
PWK/PhJ MGP_PWKPhJ_G0034311
 protein coding gene ChrX:19960337-19979360 (-)
SPRET/EiJ MGP_SPRETEiJ_G0034152
 protein coding gene ChrX:20987894-21007483 (-)
WSB/EiJ MGP_WSBEiJ_G0034745
 protein coding gene ChrX:31800412-31820518 (-)



Homology
more
  • Human Ortholog
    UPF3B, UPF3B regulator of nonsense mediated mRNA decay
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    UPF3B, UPF3B regulator of nonsense mediated mRNA decay
  • Synonyms
    HUPF3B, MRX62, MRX82, MRXS14, RENT3B, UPF3BP1, UPF3BP2, UPF3BP3, Upf3p-X, UPF3X
  • Links
    NCBI Gene ID: 65109
    UniProt: Q9BZI7

  • Chr Location
    Xq24; chrX:119805311-119853083 (-)  GRCh38
Human Diseases
more
  • Diseases
    1 with human UPF3B associations

Human Disease Mouse Models
      
IDs
Click on a disease name to see all genes associated with that disease.

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    24 phenotypes from 2 alleles in 2 genetic backgrounds
    16 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 or hemizygous for a null mutation display impaired startle responses, prepulse inhibition, and cued and contextual fear conditioning behavior, limb grasping, decreased neuronal precursor proliferation, and increased neuronal precursor proliferation.
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
    779
  • Tissues
    31
  • cDNA Data
    45
  • Literature Summary
    3
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000036572 Ensembl Gene Model | MGI Sequence Detail 18645 C57BL/6J ±  kb
    transcript ENSMUST00000076265 Ensembl | MGI Sequence Detail 2344 Not Applicable  
    polypeptide ENSMUSP00000075614 Ensembl | MGI Sequence Detail 472 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    • UniProt
      6 Sequences
    • InterPro Domains
      IPR039722 Nonsense-mediated mRNA decay protein 3
      IPR012677 Nucleotide-binding alpha-beta plait domain superfamily
      IPR035979 RNA-binding domain superfamily
      IPR034979 UPF3B, RNA recognition motif-like domain
      IPR005120 UPF3 domain
    Molecular
    Reagents
    less
    • All nucleic 51
      cDNA 47
      Primer pair 4
      Antibodies 2

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGI:2147871, MGI:2148018
    References
    more
    • Summaries
      All 41
      Developmental Gene Expression 3
      Phenotypes 16
    • Earliest
      J:65060 Kawai J, et al., Functional annotation of a full-length mouse cDNA collection. Nature. 2001 Feb 8;409(6821):685-90
    • Latest
      J:345621 Adams DJ, et al., Genetic determinants of micronucleus formation in vivo. Nature. 2024 Mar;627(8002):130-136
    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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    Send questions and comments to User Support.     		last database update
    06/16/2026
    MGI 6.24     		The Jackson Laboratory