About   Help   FAQ
Mir20b Gene Detail
Summary
  • Symbol
    Mir20b
  • Name
    microRNA 20b
  • Synonyms
    mir 20b, Mirn20b, miRNA417, mmu-mir-20b
Location &
Maps
more
  • Sequence Map
    ChrX:51830990-51831069 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
  • Genetic Map
    Chromosome X, 29.15 cM
  • Mapping Data
    2 experiments
Strain
Comparison
more
  • SNPs within 2kb
    65 from dbSNP Build 142
  • Strain Annotations
    20
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_3618748
miRNA gene ChrX:51830990-51831069 (-)
129S1/SvImJ ENSMUSG00200037812
miRNA gene ChrX:35714603-35714682 (-)
A/J ENSMUSG00195018593
miRNA gene ChrX:38492015-38492094 (-)
AKR/J ENSMUSG00220039123
miRNA gene ChrX:35369454-35369533 (-)
BALB/cJ ENSMUSG00180035874
miRNA gene ChrX:36206537-36206616 (-)
C3H/HeJ ENSMUSG00175045491
miRNA gene ChrX:39235410-39235489 (+)
C3H/HeJ ENSMUSG00175042163
miRNA gene ChrX:39246805-39246884 (-)
C57BL/6NJ ENSMUSG00215048875
miRNA gene ChrX:36218829-36218908 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0008332
miRNA gene ChrX:45277324-45277403 (-)
CAST/EiJ ENSTCUG00005039141
miRNA gene ChrX:38194858-38194937 (-)
CBA/J ENSMUSG00210040469
miRNA gene ChrX:36470264-36470343 (-)
DBA/2J ENSMUSG00185035332
miRNA gene ChrX:47174276-47174355 (-)
FVB/NJ ENSMUSG00205030629
miRNA gene ChrX:34810467-34810546 (-)
JF1/MsJ ENSUMUG00000028552
miRNA gene ChrX:66206611-66206690 (-)
LP/J ENSMUSG00230029718
miRNA gene ChrX:53718035-53718114 (-)
NOD/ShiLtJ ENSMUSG00190040363
miRNA gene ChrX:35578002-35578081 (-)
NZO/HlLtJ ENSMUSG00225043379
miRNA gene ChrX:58892749-58892828 (-)
PWK/PhJ ENSLUMG00010043573
miRNA gene ChrX:35892492-35892571 (-)
SPRET/EiJ ENSMSPG00010024482
miRNA gene ChrX:37585822-37585901 (-)
WSB/EiJ ENSIUOG00005047385
miRNA gene ChrX:36712050-36712129 (-)



Homology
more
  • Human Ortholog
    MIR20B, microRNA 20b
  • Vertebrate Orthologs
    1
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    MIR20B, microRNA 20b
  • Synonyms
    hsa-mir-20b, mir-20b, MIRN20B
  • Links
    NCBI Gene ID: 574032

  • Chr Location
    chrX:134169809-134169877 (-)  GRCh38

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    3 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
  • Tissues
  • Literature Summary
Sequences &
Gene Models
less
  • All Sequences
  • RefSeq
Representative SequencesLengthStrain/SpeciesFlank
genomic 723923 NCBI Gene Model | MGI Sequence Detail 80 C57BL/6J ±  kb
transcript NR_030273 RefSeq | MGI Sequence Detail 80 C57BL/6  
For the selected sequence
Molecular
Reagents
less
  • All nucleic 3
    Primer pair 1
    Other 2
Other Database
Links
less
miRBase MI0003536
References
more
  • Summaries
    All 33
    Developmental Gene Expression 9
    Gene Ontology 6
    Phenotypes 3
  • Earliest
    J:106122 Sewer A, et al., Identification of clustered microRNAs using an ab initio prediction method. BMC Bioinformatics. 2005;6:267
  • Latest
    J:326541 Cyagen Biosciences Inc., Cyagen Biosciences Website. 2022;

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