The SMN1 gene homepage

This database is one of the gene variant databases from the Leiden Muscular Dystrophy pages
General information
Gene symbol SMN1
Gene name survival of motor neuron 1, telomeric
Chromosome 5
Chromosomal band q13.2
Imprinted Unknown
Genomic reference NG_008691.1
Transcript reference NM_000344.3
Exon/intron information NM_000344.3 exon/intron table
Associated with diseases SMA1, SMA2, SMA3, SMA4
Citation reference(s) -
Refseq URL Genomic reference sequence
Curators (1) Johan den Dunnen
Total number of public variants reported 222
Unique public DNA variants reported 85
Individuals with public variants 618
Hidden variants 38
Download all this gene's data Download all data
Notes This database is one of the gene variant databases from the:
Date created April 20, 2006
Date last updated January 11, 2023
Version SMN1:230111

Graphical displays and utilities
Graphs Graphs displaying summary information of all variants in the database »
Reading frame checker The Reading-frame checker generates a prediction of the effect of whole-exon changes. Active for: NM_000344.3.
UCSC Genome Browser Show variants in the UCSC Genome Browser (full view, compact view)
Ensembl Genome Browser Show variants in the Ensembl Genome Browser (full view, compact view)
NCBI Sequence Viewer Show distribution histogram of variants in the NCBI Sequence Viewer

Links to other resources
Homepage URL
HGNC 11117
Entrez Gene 6606
PubMed articles SMN1
OMIM - Gene 600354
OMIM - Diseases SMA1 (atrophy, muscular, spinal, type 1 (SMA-1, Werdnig-Hoffman disease, severe infantile acute))
SMA2 (atrophy, muscular, spinal, type II (SMA-2, infantile, chronic))
SMA3 (atrophy, muscular, spinal, type III (SMA-3, juvenile, Wohlfart-Kugelberg-Welander disease))
SMA4 (atrophy, muscular, spinal, type IV (SMA-4, adult))
GeneCards SMN1
GeneTests SMN1
Orphanet SMN1

Active transcripts




NCBI ID     

NCBI Protein ID     

00000174 5 survival of motor neuron 1, telomeric, transcript variant d NM_000344.3 NP_000335.1 222

Copyright & disclaimer
The contents of this LOVD database are the intellectual property of the respective submitter(s) and curator(s) of the individual records. Individual data entries may indicate which data license applies to that specific record. When no license is listed, no permissions are granted. Any unauthorized use, copying, storage, or distribution of this material without written permission from the curator(s) will lead to copyright infringement with possible ensuing litigation. Copyright © 2006-2023. All Rights Reserved. For further details, refer to Directive 96/9/EC of the European Parliament and the Council of March 11 (1996) on the legal protection of databases.

We have used all reasonable efforts to ensure that the information displayed on these pages and contained in the databases is of high quality. We make no warranty, express or implied, as to its accuracy or that the information is fit for a particular purpose, and will not be held responsible for any consequences arising from any inaccuracies or omissions. Individuals, organizations, and companies that use this database do so on the understanding that no liability whatsoever, either direct or indirect, shall rest upon the data submitter(s), curator(s), or any of their employees or agents for the effects of any product, process, or method that may be produced or adopted by any part, notwithstanding that the formulation of such product, process or method may be based upon information here provided.