About   Help   FAQ
Mir133a-1 Gene Detail
Summary
  • Symbol
    Mir133a-1
  • Name
    microRNA 133a-1
  • Synonyms
    mir-133a-1, Mirn133, Mirn133a-1, mmu-mir-133a-1
Location &
Maps
more
  • Sequence Map
    Chr18:10782909-10782976 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 18, 5.40 cM
  • Mapping Data
    1 experiment
Strain
Comparison
more
  • SNPs within 2kb
    54 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_2676818
 miRNA gene Chr18:10782909-10782976 (-)
129S1/SvImJ ENSMUSG00200025147
 miRNA gene Chr18:7725757-7725824 (-)
A/J ENSMUSG00195008742
 miRNA gene Chr18:7901826-7901893 (-)
AKR/J ENSMUSG00220019638
 miRNA gene Chr18:7893045-7893112 (-)
BALB/cJ ENSMUSG00180005350
 miRNA gene Chr18:8342116-8342183 (-)
C3H/HeJ ENSMUSG00175007841
 miRNA gene Chr18:7877458-7877525 (-)
C57BL/6NJ ENSMUSG00215023774
 miRNA gene Chr18:7619539-7619606 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0007580
 miRNA gene Chr18:7350417-7350484 (-)
CAST/EiJ ENSTCUG00005017740
 miRNA gene Chr18:7711929-7711996 (-)
CBA/J ENSMUSG00210022030
 miRNA gene Chr18:7890385-7890452 (-)
DBA/2J ENSMUSG00185031993
 miRNA gene Chr18:7897827-7897894 (-)
FVB/NJ ENSMUSG00205033571
 miRNA gene Chr18:7677052-7677119 (-)
JF1/MsJ ENSUMUG00000042001
 miRNA gene Chr18:7959420-7959487 (-)
LP/J ENSMUSG00230029218
 miRNA gene Chr18:9970265-9970332 (-)
NOD/ShiLtJ ENSMUSG00190010131
 miRNA gene Chr18:7670558-7670625 (-)
NZO/HlLtJ ENSMUSG00225034175
 miRNA gene Chr18:9881261-9881328 (-)
PWK/PhJ ENSLUMG00010010355
 miRNA gene Chr18:8179472-8179539 (-)
SPRET/EiJ ENSMSPG00010012174
 miRNA gene Chr18:7814352-7814419 (-)
WSB/EiJ ENSIUOG00005027154
 miRNA gene Chr18:7751198-7751265 (-)



Homology
more
  • Human Ortholog
    MIR133A1, microRNA 133a-1
  • Vertebrate Orthologs
    1
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    MIR133A1, microRNA 133a-1
  • Synonyms
    mir-133a-1, MIRN133A1
  • Links
    NCBI Gene ID: 406922

  • Chr Location
    chr18:21825698-21825785 (-)  GRCh38
Human Diseases
more
  • Diseases
    1 with human MIR133A1 associations

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

Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    1 phenotype from 2 alleles in 2 genetic backgrounds
    22 phenotypes from multigenic genotypes
    13 phenotype references
Mice homozygous for a knock-out allele are viable with no apparent defects in behavior, weight, or life span.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    13
  • GO References
    7
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
    641
  • Tissues
    12
  • Literature Summary
    24
Sequences &
Gene Models
less
  • All Sequences
    25
  • RefSeq
    1
Representative SequencesLengthStrain/SpeciesFlank
genomic 387151 NCBI Gene Model | MGI Sequence Detail 68 C57BL/6J ±  kb
transcript NR_029547 RefSeq | MGI Sequence Detail 68 C57BL/6  
For the selected sequence
Molecular
Reagents
less
  • All nucleic 7
    Primer pair 4
    Other 3
Other Database
Links
less
miRBase MI0000159
References
more
  • Summaries
    All 67
    Developmental Gene Expression 24
    Gene Ontology 7
    Phenotypes 13
  • Earliest
    J:84907 Lagos-Quintana M, et al., Identification of tissue-specific microRNAs from mouse. Curr Biol. 2002 Apr 30;12(9):735-9
  • Latest
    J:357928 Piasecka A, et al., MBNL splicing factors regulate the microtranscriptome of skeletal muscles. Nucleic Acids Res. 2024 Oct 28;52(19):12055-12073
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