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Defb40 Gene Detail
Summary
  • Symbol
    Defb40
  • Name
    defensin beta 40
  • Feature Type
    protein coding gene
  • IDs
    MGI:2672976
    NCBI Gene: 360217
  • Alliance
  • Transcription Start Sites
    2 TSS
Location &
Maps
more
  • Sequence Map
    Chr8:19024930-19028237 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 8, 10.35 cM
  • Mapping Data
    1 experiment
Strain
Comparison
more
  • SNPs within 2kb
    217 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_2672976
protein coding gene Chr8:19024930-19028272 (-)
129S1/SvImJ ENSMUSG00200031316
protein coding gene Chr8:15840838-15844152 (-)
A/J ENSMUSG00195040842
protein coding gene Chr8:16263908-16267222 (-)
AKR/J ENSMUSG00220031951
protein coding gene Chr8:16017592-16020909 (-)
BALB/cJ ENSMUSG00180024198
protein coding gene Chr8:15884257-15887571 (-)
C3H/HeJ ENSMUSG00175036109
protein coding gene Chr8:16062309-16065623 (-)
C57BL/6NJ ENSMUSG00215025348
protein coding gene Chr8:15995063-15998379 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0030866
protein coding gene Chr8:15186415-15189674 (-)
CAST/EiJ ENSTCUG00005018266
protein coding gene Chr8:15830813-15834162 (-)
CBA/J ENSMUSG00210037954
protein coding gene Chr8:15901150-15904464 (-)
DBA/2J ENSMUSG00185006262
protein coding gene Chr8:16028958-16032272 (-)
FVB/NJ ENSMUSG00205021980
protein coding gene Chr8:15915554-15918868 (-)
JF1/MsJ ENSUMUG00000030353
protein coding gene Chr8:15918838-15922136 (-)
LP/J ENSMUSG00230020436
protein coding gene Chr8:18114157-18117470 (-)
NOD/ShiLtJ ENSMUSG00190030859
protein coding gene Chr8:16033404-16036718 (-)
NZO/HlLtJ ENSMUSG00225041904
protein coding gene Chr8:25958703-25962019 (-)
PWK/PhJ ENSLUMG00010026813
protein coding gene Chr8:15896063-15899376 (-)
SPRET/EiJ ENSMSPG00010013012
protein coding gene Chr8:16127136-16136144 (-)
WSB/EiJ ENSIUOG00005019037
protein coding gene Chr8:15975672-15978987 (-)



Homology
less
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    5 phenotype references
Gene Ontology
(GO)
Classifications
less
  • 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
Sequences &
Gene Models
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Representative SequencesLengthStrain/SpeciesFlank
genomic 360217 NCBI Gene Model | MGI Sequence Detail 3308 C57BL/6J ±  kb
transcript NM_183039 RefSeq | MGI Sequence Detail 380 C57BL/6  
polypeptide Q70KL2 UniProt | EBI | MGI Sequence Detail 73 Not Applicable  
For the selected sequence
Protein
Information
less
Molecular
Reagents
less

  • Microarray probesets 1
References
more
  • Summaries
    All 19
    Gene Ontology 3
    Phenotypes 5
  • Earliest
    J:93238 Zaballos A, et al., Identification on mouse chromosome 8 of new beta-defensin genes with regionally specific expression in the male reproductive organ. J Biol Chem. 2004 Apr 26;279(13):12421-6
  • Latest
    J:332494 Dong X, et al., Keratinocyte-derived defensins activate neutrophil-specific receptors Mrgpra2a/b to prevent skin dysbiosis and bacterial infection. Immunity. 2022 Jul 15;55(9):1645-1662

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
09/15/2026
MGI 6.29
The Jackson Laboratory