About   Help   FAQ
Defb4 Gene Detail
Summary
  • Symbol
    Defb4
  • Name
    defensin beta 4
  • Synonyms
    2310001F05Rik, MBD-4
  • Feature Type
    protein coding gene
  • IDs
    MGI:1927667
    NCBI Gene: 56519
  • Alliance
    genome feature page
  • Transcription Start Sites
    1 TSS
Location &
Maps
more
  • Sequence Map
    Chr8:19248722-19251561 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 8, 10.35 cM, cytoband A3
  • Mapping Data
    5 experiments
Strain
Comparison
more
  • SNPs within 2kb
    194 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_1927667
 protein coding gene Chr8:19248720-19251563 (+)
129S1/SvImJ ENSMUSG00200028503
 protein coding gene Chr8:16054472-16057269 (+)
A/J ENSMUSG00195041491
 protein coding gene Chr8:16477547-16480344 (+)
AKR/J ENSMUSG00220028337
 protein coding gene Chr8:16246803-16249638 (+)
BALB/cJ ENSMUSG00180023636
 protein coding gene Chr8:16097899-16100702 (+)
C3H/HeJ ENSMUSG00175037513
 protein coding gene Chr8:16275970-16278759 (+)
C57BL/6NJ ENSMUSG00215022835
 protein coding gene Chr8:16218840-16221683 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0030877
 protein coding gene Chr8:15388083-15388450 (+)
CAST/EiJ ENSTCUG00005018415
 protein coding gene Chr8:16047384-16049836 (+)
CBA/J ENSMUSG00210038475
 protein coding gene Chr8:16114796-16117593 (+)
DBA/2J ENSMUSG00185006336
 protein coding gene Chr8:16242607-16245394 (+)
FVB/NJ ENSMUSG00205016930
 protein coding gene Chr8:16124074-16126875 (+)
JF1/MsJ ENSUMUG00000031191
 protein coding gene Chr8:16132355-16135200 (+)
LP/J ENSMUSG00230023128
 protein coding gene Chr8:18327399-18330196 (+)
NOD/ShiLtJ ENSMUSG00190028239
 protein coding gene Chr8:16247039-16249842 (+)
NZO/HlLtJ ENSMUSG00225042003
 protein coding gene Chr8:26182254-26185089 (+)
PWK/PhJ ENSLUMG00010028318
 protein coding gene Chr8:16110633-16113375 (+)
SPRET/EiJ ENSMSPG00010013114
 protein coding gene Chr8:16341500-16344255 (+)
WSB/EiJ ENSIUOG00005018445
 protein coding gene Chr8:16188671-16191494 (+)



Homology
more
  • Human Ortholog
    DEFB4A, defensin beta 4A
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    DEFB4A, defensin beta 4A
  • Synonyms
    BD-2, DEFB102, DEFB-2, DEFB2, DEFB4, HBD-2, SAP1
  • Links
    NCBI Gene ID: 1673
    UniProt: O15263

  • Chr Location
    8p23.1
  • Human Ortholog
    DEFB4B, defensin beta 4B
  • Synonyms
    DEFB4P
  • Links
    NCBI Gene ID: 100289462

  • Chr Location
    8
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    3 phenotype references
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    20
  • GO References
    9
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
    597
  • cDNA Data
    7
  • Literature Summary
    1
Sequences &
Gene Models
less
Representative SequencesLengthStrain/SpeciesFlank
genomic ENSMUSG00000059230 Ensembl Gene Model | MGI Sequence Detail 2840 C57BL/6J ±  kb
transcript ENSMUST00000081017 Ensembl | MGI Sequence Detail 454 Not Applicable  
polypeptide ENSMUSP00000079808 Ensembl | MGI Sequence Detail 63 Not Applicable  
For the selected sequence
Protein
Information
less
Molecular
Reagents
less
  • All nucleic 8
    cDNA 7
    Primer pair 1

    Microarray probesets 3
Other
Accession IDs
less
MGI:1913598
References
more
  • Summaries
    All 38
    Developmental Gene Expression 1
    Gene Ontology 9
    Phenotypes 3
  • Earliest
    J:65459 Jia HP, et al., A novel murine beta -defensin expressed in tongue, esophagus, and trachea. J Biol Chem. 2000 Oct 27;275(43):33314-20
  • 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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support. 		last database update
09/08/2026
MGI 6.24 		The Jackson Laboratory