About   Help   FAQ
Il1rn Gene Detail
Summary
  • Symbol
    Il1rn
  • Name
    interleukin 1 receptor antagonist
  • Synonyms
    F630041P17Rik, IL-1ra
  • Feature Type
    protein coding gene
  • IDs
    MGI:96547
    NCBI Gene: 16181
  • Alliance
  • Transcription Start Sites
    43 TSS
Location &
Maps
more
  • Sequence Map
    Chr2:24226872-24241503 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome 2, 16.36 cM
  • Mapping Data
    12 experiments
Strain
Comparison
more
  • SNPs within 2kb
    424 from dbSNP Build 142
  • Strain Annotations
    19
  • PCR
  • RFLP
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_96547
protein coding gene Chr2:24226865-24241506 (+)
129S1/SvImJ ENSMUSG00200051282
protein coding gene Chr2:21210778-21225421 (+)
A/J ENSMUSG00195039743
protein coding gene Chr2:21297257-21311896 (+)
AKR/J ENSMUSG00220052251
protein coding gene Chr2:21415036-21429673 (+)
BALB/cJ ENSMUSG00180053925
protein coding gene Chr2:21312125-21326766 (+)
C3H/HeJ ENSMUSG00175050015
protein coding gene Chr2:21276615-21291256 (+)
C57BL/6NJ ENSMUSG00215044171
protein coding gene Chr2:21335016-21349655 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0023236
protein coding gene Chr2:20210763-20225753 (+)
CAST/EiJ ENSTCUG00005051903
protein coding gene Chr2:21033402-21048022 (+)
CBA/J ENSMUSG00210015297
protein coding gene Chr2:21315573-21330216 (+)
DBA/2J ENSMUSG00185050640
protein coding gene Chr2:21211556-21226195 (+)
FVB/NJ ENSMUSG00205043849
protein coding gene Chr2:21061947-21076585 (+)
JF1/MsJ ENSUMUG00000053842
protein coding gene Chr2:21112343-21126965 (+)
LP/J ENSMUSG00230042497
protein coding gene Chr2:23146813-23161456 (+)
NOD/ShiLtJ ENSMUSG00190045313
protein coding gene Chr2:21306895-21321538 (+)
NZO/HlLtJ ENSMUSG00225009239
protein coding gene Chr2:30897464-30912105 (+)
PWK/PhJ ENSLUMG00010048495
protein coding gene Chr2:21209279-21223876 (+)
SPRET/EiJ ENSMSPG00010036524
protein coding gene Chr2:21901155-21916107 (+)
WSB/EiJ ENSIUOG00005051226
protein coding gene Chr2:21171497-21186134 (+)



Homology
more
  • Human Ortholog
    IL1RN, interleukin 1 receptor antagonist
  • Vertebrate Orthologs
    3
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    IL1RN, interleukin 1 receptor antagonist
  • Synonyms
    CRMO2, DIRA, ICIL-1RA, IL1F3, IL-1ra, IL1RA, IL-1ra3, IL-1RN, IRAP, MVCD4
  • Links
    NCBI Gene ID: 3557
    UniProt: P18510

  • Chr Location
    2q14.1; chr2:113099315-113134016 (+)  GRCh38

Human Diseases
more
  • Diseases
    65 with human IL1RN associations

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

  • Mutations/Alleles
    1 with disease annotations
  • References
    1 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    52 phenotypes from 6 alleles in 13 genetic backgrounds
    13 phenotypes from multigenic genotypes
    105 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.
Nullizygous mutations of this gene may result in decreased body weight, increased inflammatory response to turpentine and LPS, decreased susceptibility to bacterial infection, psoriasis, aortitis, rheumatoid arthritis, and abnormal dendritic and CD4-positive T cell morphology.
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
  • Tissues
  • cDNA Data
  • Literature Summary
  • Comparison Matrix
  • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic 16181 NCBI Gene Model | MGI Sequence Detail 14632 C57BL/6J ±  kb
    transcript NM_001039701 RefSeq | MGI Sequence Detail 2480 ZRU/MplStud  
    polypeptide P25085 UniProt | EBI | MGI Sequence Detail 178 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 33
      Genomic 3
      cDNA 26
      Primer pair 4

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGD-MRK-11373, MGI:2443250
    References
    more
    • Summaries
      All 252
      Developmental Gene Expression 4
      Diseases 1
      Gene Ontology 10
      Phenotypes 105
    • Earliest
      J:14587 Eisenberg SP, et al., Primary structure and functional expression from complementary DNA of a human interleukin-1 receptor antagonist. Nature. 1990 Jan 25;343(6256):341-6
    • Latest
      J:386582 Yoshioka Y, et al., IL-1 delineates squalene-based adjuvant efficacy and reactogenicity in a cell-type-specific manner. NPJ Vaccines. 2026 Mar 30;11(1)

    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
    09/01/2026
    MGI 6.24
    The Jackson Laboratory