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Ybx1 Gene Detail
Summary
  • Symbol
    Ybx1
  • Name
    Y box protein 1
  • Synonyms
    dbpB, DNA binding protein B, EF1A, MSY1, Nsep1, YB-1
  • Feature Type
    protein coding gene
  • IDs
    MGI:99146
    NCBI Gene: 22608
  • Alliance
  • Transcription Start Sites
    9 TSS
Location &
Maps
more
  • Sequence Map
    Chr4:119135178-119151801 bp, - strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 4, 55.34 cM, cytoband D1
  • Mapping Data
    3 experiments
Strain
Comparison
more
  • SNPs within 2kb
    407 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_99146
protein coding gene Chr4:119134524-119153462 (-)
129S1/SvImJ ENSMUSG00200011216
protein coding gene Chr4:113039572-113056192 (-)
A/J ENSMUSG00195030206
protein coding gene Chr4:114285645-114302343 (-)
AKR/J ENSMUSG00220020660
protein coding gene Chr4:113646805-113663433 (-)
BALB/cJ ENSMUSG00180040777
protein coding gene Chr4:112348915-112365634 (-)
C3H/HeJ ENSMUSG00175022087
protein coding gene Chr4:113362093-113378813 (-)
C57BL/6NJ ENSMUSG00215031647
protein coding gene Chr4:114473148-114489773 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0026396
protein coding gene Chr4:109834148-109850703 (-)
CAST/EiJ ENSTCUG00005042266
protein coding gene Chr4:113169034-113185533 (-)
CBA/J ENSMUSG00210052021
protein coding gene Chr4:112968583-112985303 (-)
DBA/2J ENSMUSG00185044765
protein coding gene Chr4:114520639-114537335 (-)
FVB/NJ ENSMUSG00205018646
protein coding gene Chr4:112444510-112461229 (-)
JF1/MsJ ENSUMUG00000012627
protein coding gene Chr4:114427726-114444383 (-)
LP/J ENSMUSG00230042412
protein coding gene Chr4:117857343-117873963 (-)
NOD/ShiLtJ ENSMUSG00190037694
protein coding gene Chr4:112351192-112367815 (-)
NZO/HlLtJ ENSMUSG00225014846
protein coding gene Chr4:123404248-123420871 (-)
PWK/PhJ ENSLUMG00010039885
protein coding gene Chr4:111845763-111862227 (-)
SPRET/EiJ ENSMSPG00010034746
protein coding gene Chr4:113928929-113944097 (-)
WSB/EiJ ENSIUOG00005036688
protein coding gene Chr4:112660916-112677568 (-)



Homology
more
  • Human Ortholog
    YBX1, Y-box binding protein 1
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    YBX1, Y-box binding protein 1
  • Synonyms
    BP-8, CBF-A, CSDA2, CSDB, DBPB, EFI-A, MDR-NF1, NSEP-1, NSEP1, YB-1, YB1
  • Links
    NCBI Gene ID: 4904
    UniProt: P67809

  • Chr Location
    1p34.2; chr1:42682408-42703805 (+)  GRCh38

Mutations,
Alleles, and
Phenotypes
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  • Phenotype Summary
    27 phenotypes from 3 alleles in 4 genetic backgrounds
    5 phenotypes from multigenic genotypes
    2 images
    28 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 exhibit embryonic and perinatal lethality and are severely growth retarded. Some mice exhibit craniofacial defects and respiratory failure. MEFs are more sensitive to oxidative stress resulting in premature senescence.
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 ENSMUSG00000028639 Ensembl Gene Model | MGI Sequence Detail 16624 C57BL/6J ±  kb
    transcript ENSMUST00000079644 Ensembl | MGI Sequence Detail 1628 Not Applicable  
    polypeptide ENSMUSP00000078589 Ensembl | MGI Sequence Detail 322 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 530
      cDNA 518
      Primer pair 8
      Other 4
      Antibodies 5

      Microarray probesets 6
    Other
    Accession IDs
    less
    MGD-MRK-15843, MGI:2140677
    References
    more
    • Summaries
      All 143
      Developmental Gene Expression 22
      Gene Ontology 23
      Phenotypes 28
    • Earliest
      J:1387 Shaughnessy M, et al., Absence of MHC gene expression in lens and cloning of dbpB/YB-1, a DNA-binding protein expressed in mouse lens. Curr Eye Res. 1992 Feb;11(2):175-81
    • Latest
      J:391318 Ikeda S, et al., Deletion of Ybx1 results in germ cell hypoplasia in mouse embryos. J Reprod Dev. 2026 Aug 1;72(4):700-709

    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