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Snord21 Gene Detail
Summary
  • Symbol
    Snord21
  • Name
    small nucleolar RNA, C/D box 21
  • Synonyms
    Rnu21, U21
Location &
Maps
more
  • Sequence Map
    Chr5:108052421-108052514 bp, + strand
    From NCBI annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 5, 52.23 cM
Strain
Comparison
more
  • SNPs within 2kb
    66 from dbSNP Build 142
  • Strain Annotations
    19
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_102855
 snoRNA gene Chr5:108052421-108052514 (+)
129S1/SvImJ ENSMUSG00200007206
 snoRNA gene Chr5:101800387-101800480 (+)
A/J ENSMUSG00195039574
 snoRNA gene Chr5:101258411-101258504 (+)
AKR/J ENSMUSG00220040779
 snoRNA gene Chr5:100811078-100811171 (+)
BALB/cJ ENSMUSG00180037148
 snoRNA gene Chr5:101416046-101416139 (+)
C3H/HeJ ENSMUSG00175047323
 snoRNA gene Chr5:103447942-103448035 (+)
C57BL/6NJ ENSMUSG00215038930
 snoRNA gene Chr5:101455312-101455405 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0036499
 snoRNA gene Chr5:100804794-100804887 (+)
CAST/EiJ ENSTCUG00005024739
 snoRNA gene Chr5:100693215-100693308 (+)
CBA/J ENSMUSG00210044127
 snoRNA gene Chr5:102205557-102205650 (+)
DBA/2J ENSMUSG00185050201
 snoRNA gene Chr5:105114520-105114613 (+)
FVB/NJ ENSMUSG00205041661
 snoRNA gene Chr5:101128096-101128189 (+)
JF1/MsJ ENSUMUG00000021100
 snoRNA gene Chr5:108171657-108171750 (+)
LP/J ENSMUSG00230032258
 snoRNA gene Chr5:109341482-109341575 (+)
NOD/ShiLtJ ENSMUSG00190048545
 snoRNA gene Chr5:101115519-101115612 (+)
NZO/HlLtJ ENSMUSG00225026440
 snoRNA gene Chr5:116963345-116963438 (+)
PWK/PhJ ENSLUMG00010016996
 snoRNA gene Chr5:100163425-100163518 (+)
SPRET/EiJ ENSMSPG00010046861
 snoRNA gene Chr5:103263757-103263850 (+)
WSB/EiJ ENSIUOG00005045191
 snoRNA gene Chr5:103832977-103833070 (+)



Homology
less
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    3
  • GO References
    2
Molecular Function

No experimental evidence to support Molecular Function annotation, following literature review. See J:73796.
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
  • Literature Summary
    1
Sequences &
Gene Models
less
  • All Sequences
    23
  • RefSeq
    1
Representative SequencesLengthStrain/SpeciesFlank
genomic 108638 NCBI Gene Model | MGI Sequence Detail 94 C57BL/6J ±  kb
transcript NR_201188 RefSeq | MGI Sequence Detail 94 C57BL/6  
For the selected sequence
Molecular
Reagents
less
  • All nucleic 1
    Genomic 1
Other
Accession IDs
less
MGD-MRK-23688
References
more
  • Summaries
    All 9
    Developmental Gene Expression 1
    Gene Ontology 2
  • Earliest
    J:21081 Qu LH, et al., U21, a novel small nucleolar RNA with a 13 nt. complementarity to 28S rRNA, is encoded in an intron of ribosomal protein L5 gene in chicken and mammals. Nucleic Acids Res. 1994 Oct 11;22(20):4073-81
  • Latest
    J:237822 Lee J, et al., Rpl13a small nucleolar RNAs regulate systemic glucose metabolism. J Clin Invest. 2016 Dec 01;126(12):4616-4625
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)
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Funding Information
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Send questions and comments to User Support. 		last database update
09/08/2026
MGI 6.24 		The Jackson Laboratory