About   Help   FAQ
Mir421 Gene Detail
Summary
  • Symbol
    Mir421
  • Name
    microRNA 421
  • Synonyms
    Mirn421, mmu-mir-421
Location &
Maps
more
  • Sequence Map
    ChrX:102616527-102616602 bp, - strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome X, 46.22 cM
  • Mapping Data
    1 experiment
Strain
Comparison
more
  • SNPs within 2kb
    59 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_3718516
 miRNA gene ChrX:102616527-102616602 (-)
129S1/SvImJ ENSMUSG00200039695
 miRNA gene ChrX:84381850-84381925 (-)
A/J ENSMUSG00195041930
 miRNA gene ChrX:88136584-88136659 (-)
AKR/J ENSMUSG00220037701
 miRNA gene ChrX:82804036-82804111 (-)
BALB/cJ ENSMUSG00180042472
 miRNA gene ChrX:84813860-84813935 (-)
C3H/HeJ ENSMUSG00175046449
 miRNA gene ChrX:88386676-88386751 (-)
C57BL/6NJ ENSMUSG00215047233
 miRNA gene ChrX:84993590-84993665 (-)
CAROLI/EiJ MGP_CAROLIEiJ_G0008380
 miRNA gene ChrX:97795992-97796067 (-)
CAST/EiJ ENSTCUG00005043574
 miRNA gene ChrX:85856898-85856973 (-)
CBA/J ENSMUSG00210043701
 miRNA gene ChrX:85277510-85277585 (-)
DBA/2J ENSMUSG00185044233
 miRNA gene ChrX:97716498-97716573 (-)
FVB/NJ ENSMUSG00205035169
 miRNA gene ChrX:84358983-84359058 (-)
JF1/MsJ ENSUMUG00000044164
 miRNA gene ChrX:118324099-118324174 (-)
LP/J ENSMUSG00230042652
 miRNA gene ChrX:104415022-104415097 (-)
NOD/ShiLtJ ENSMUSG00190043888
 miRNA gene ChrX:84435331-84435406 (-)
NZO/HlLtJ ENSMUSG00225045914
 miRNA gene ChrX:109535171-109535246 (-)
PWK/PhJ ENSLUMG00010039372
 miRNA gene ChrX:83638909-83638984 (-)
SPRET/EiJ ENSMSPG00010040777
 miRNA gene ChrX:87843848-87843923 (-)
WSB/EiJ ENSIUOG00005045203
 miRNA gene ChrX:84938629-84938704 (-)



Homology
more
  • Human Ortholog
    MIR421, microRNA 421
  • Vertebrate Orthologs
    1
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    MIR421, microRNA 421
  • Synonyms
    hsa-mir-421, MIRN421
  • Links
    NCBI Gene ID: 693122

  • Chr Location
    chrX:74218377-74218461 (-)  GRCh38
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    1 phenotype reference
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    6
  • GO References
    4
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
    600
  • Tissues
    1
  • Literature Summary
    1
Sequences &
Gene Models
less
  • All Sequences
    23
  • RefSeq
    1
Representative SequencesLengthStrain/SpeciesFlank
genomic 100124494 NCBI Gene Model | MGI Sequence Detail 76 C57BL/6J ±  kb
transcript NR_030558 RefSeq | MGI Sequence Detail 76 C57BL/6  
For the selected sequence
Molecular
Reagents
less
  • All nucleic 2
    Primer pair 1
    Other 1
Other Database
Links
less
miRBase MI0005496
References
more
  • Summaries
    All 16
    Developmental Gene Expression 1
    Gene Ontology 4
    Phenotypes 1
  • Earliest
    J:105741 Griffiths-Jones S, et al., miRBase: microRNA sequences, targets and gene nomenclature. Nucleic Acids Res. 2006 Jan 1;34(Database issue):D140-4
  • Latest
    J:268562 Hosoi Y, et al., Female mice lacking Ftx lncRNA exhibit impaired X-chromosome inactivation and a microphthalmia-like phenotype. Nat Commun. 2018 Sep 20;9(1):3829
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