SMN1 Gene
protein-coding GIFtS : 66
GCID: GC05 P070257
survival of motor neuron 1, telomeric (Previous names: spinal muscular atrophy (Werdnig-Hoffmann disease, Kugelberg-Welander... ) (Previous symbols: SMA@, SMA )
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Aliasesfor SMN1 gene
(According to
1 HGNC ,
2 Entrez Gene ,
3 UniProtKB/Swiss-Prot ,
4 UniProtKB/TrEMBL , 5 OMIM , 6 GeneLoc ,
7 Ensembl ,
8 DME ,
9 miRBase ,
and/or 10 fRNAdb )About This Section Aliases Survival Of Motor Neuron 1, Telomeric 1 2 SMN2 3 SMNT1 2 3 SMA42 5 SMA11 2 5 Spinal Muscular Atrophy (Werdnig-Hoffmann Disease, Kugelberg-Welander Disease)1 SMA21 2 5 T-BCD5412 SMA31 2 5 Gemin-13 BCD5411 2 Survival Motor Neuron 1 Protein2 GEMIN11 2 Survival Motor Neuron Protein2 SMA1 2 Tudor Domain Containing 16A2 SMA@1 2 Gemin-13 TDRD16A1 2 SMNC3 Component Of Gems 12 3
Export aliases for SMN1 gene to outside databases Previous GC identifers: GC05M069123 GC05M070536 GC05M069032 GC05M069077 GC05P069381 GC05P065882
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Summariesfor SMN1 gene (According to Entrez Gene ,
Tocris Bioscience ,
Wikipedia's
Gene Wiki ,
PharmGKB ,
UniProtKB/Swiss-Prot ,
and/or
UniProtKB/TrEMBL )
About This Section Entrez Gene summary for SMN1 : This gene is part of a 500 kb inverted duplication on chromosome 5q13. This duplicated region contains at least four genes and repetitive elements which make it prone to rearrangements and deletions. The repetitiveness and complexity of the sequence have also caused difficulty in determining the organization of this genomic region. The telomeric and centromeric copies of this gene are nearly identical and encode the same protein. However, mutations in this gene, the telomeric copy, are associated with spinal muscular atrophy; mutations in the centromeric copy do not lead to disease. The centromeric copy may be a modifier of disease caused by mutation in the telomeric copy. The critical sequence difference between the two genes is a single nucleotide in exon 7, which is thought to be an exon splice enhancer. Note that the nine exons of both the telomeric and centromeric copies are designated historically as exon 1, 2a, 2b, and 3-8. It is thought that gene conversion events may involve the two genes, leading to varying copy numbers of each gene. The protein encoded by this gene localizes to both the cytoplasm and the nucleus. Within the nucleus, the protein localizes to subnuclear bodies called gems which are found near coiled bodies containing high concentrations of small ribonucleoproteins (snRNPs). This protein forms heteromeric complexes with proteins such as SIP1 and GEMIN4, and also interacts with several proteins known to be involved in the biogenesis of snRNPs, such as hnRNP U protein and the small nucleolar RNA binding protein. Two transcript variants encoding distinct isoforms have been described. (provided by RefSeq, Sep 2008) UniProtKB/Swiss-Prot: SMN_HUMAN, Q16637 Function : The SMN complex plays an essential role in spliceosomal snRNP assembly in the cytoplasm and is required forpre-mRNA splicing in the nucleus. It may also play a role in the metabolism of snoRNPs Gene Wiki entry for SMN1
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Genomic Viewsfor SMN1 gene
(According to
GeneLoc and/or
HGNC , and/or
Entrez Gene (NCBI build 37) ,
and/or miRBase ,
Genomic Views according to
UCSC (hg19) and
Ensembl (release 69) ,
Regulatory elements and Epigenetics data according to
QIAGEN ,
SABiosciences , and/or
SwitchGear Genomics )About This Section RefSeq DNA sequence: NC_000005.9 NC_018916.1 NT_006713.15 Regulatory elements: SABiosciences Regulatory transcription factor binding sites in the SMN1 gene promoter: CREB C/EBPbeta deltaCREB Other transcription factors Search SABiosciences Chromatin IP Primers for SMN1 Epigenetics: QIAGEN PyroMark CpG Assay predesigned Pyrosequencing DNA Methylation assays in human, mouse, rat SMN1
Genomic Location: Genomic View : UCSC Golden Path with GeneCards custom track Entrez Gene cytogenetic band: 5q13.2 Ensembl cytogenetic band: 5q13.2 HGNC cytogenetic band: 5q13.2 SMN1 Gene in genomic location: bands according to Ensembl, locations according to
(and/or Entrez Gene and/or Ensembl if different) GeneLoc information about chromosome 5 GeneLoc Exon Structure
GeneLoc location for GC05P070257: view genomic region
(about GC identifiers )
Start:
70,220,768 bp from pter
End:
70,249,769 bp from pter
Size:
29,002 bases
Orientation:
plus strand
1 alternative location : Chr 5-,PATCHES 69,362,772-69,390,839
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Proteinsfor SMN1 gene
(According to
1 UniProtKB ,
HORDE ,
neXtProt ,
Ensembl ,
and/or Reactome ,
Modification sites according to 2 PhosphoSitePlus ,
Specific Peptides from DME ,
Protein expression images according to data from SPIRE MOPED and PaxDb ,
RefSeq according to NCBI ,
PDB rendering according to OCA and/or Proteopedia ,
Recombinant Proteins
from
EMD Millipore ,
R&D Systems ,
GenScript ,
Enzo Life Sciences ,
OriGene ,
Novus Biologicals ,
Sino Biological ,
ProSpec , and/or
Uscn ,
Biochemical Assays by
EMD Millipore ,
R&D Systems ,
OriGene ,
GenScript ,
Cell Signaling Technology ,
Enzo Life Sciences , and/or
Uscn ,
Ontologies according to Gene
Ontology Consortium 01 Mar 2013 and
Entrez Gene ,
Antibodies by
EMD Millipore ,
R&D Systems ,
GenScript ,
Cell Signaling Technology ,
OriGene ,
Novus Biologicals ,
Thermo Fisher Scientific ,
Abcam , and/or
Uscn )
About This Section UniProtKB/Swiss-Prot: SMN_HUMAN, Q16637 (See
protein sequence )Recommended Name: Survival motor neuron protein Size : 294 amino acids; 31849 Da
Subunit : Component of an import snRNP complex composed of KPNB1, RNUT1, SMN1 and ZNF259. Part of the core SMN complexthat contains SMN1, GEMIN2/SIP1, DDX20/GEMIN3, GEMIN4, GEMIN5, GEMIN6, GEMIN7, GEMIN8 and STRAP/UNRIP. Interacts with DDX20, FBL, NOLA1, RNUT1, SYNCRIP and with several spliceosomal snRNP core Sm proteins, including SNRPB, SNRPD1, SNRPD2, SNRPD3, SNRPE and ILF3. Interacts with OSTF1, LSM10 and LSM11
Subcellular location : Cytoplasm. Nucleus, gem. Note=Localized in subnuclear structures next to coiled bodies, calledGemini of Cajal bodies (Gems)
Miscellaneous : The SMN gene is present in two highly homologous and functional copies (TelSMN/SMN1 and CenSMN/SMN2).The telomeric copy of SMN gene (TelSMN/SMN1) seems to be the SMA-determining gene while the centromeric copy seems unaffected
6/7 PDB 3D structures from and Proteopedia for SMN1 (see all 7 ):1G5V (3D)
  1MHN (3D)
  2LEH (3D)
  3S6N (3D)
  4A4E (3D)
  4A4G (3D)
 
Secondary accessions : A8K0V4 Q13119 Q549U5 Q96J51Alternative splicing : 4 isoforms : Q16637-1 Q16637-2 Q16637-3 Q16637-4 (Thought to be a nonfunctional protein that lacks the capacity to oligomerize and thus cannot interact with Sm proteins. Primarily derived from SMN2 gene)Explore the universe of human proteins at neXtProt for SMN1: NX_Q16637 Post-translational modifications:
View modification sites using PhosphoSitePlus 2 View neXtProt modification sites for NX_Q16637 SMN1 Protein expression data from MOPED and PaxDb : About this image
REFSEQ proteins (2 alternative transcripts):
NP_000335.1 NP_075012.1 ENSEMBL proteins: ENSP00000428128 ENSP00000370083 ENSP00000423298 ENSP00000422679 ENSP00000424926 ENSP00000430657 ENSP00000305857 Reactome Protein details: Q16637 Human Recombinant Protein Products: Gene Ontology (GO): 5/6 cellular component terms (GO ID links to tree view) (see all 6 ): About this table
SMN1 for ontologies About GeneDecksing SMN1 Antibody Products: Assay Products for SMN1:
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Protein
Domains / Familiesfor SMN1 gene (According to InterPro , ProtoNet ,
UniProtKB , and/or BLOCKS ,
Sets of similar genes according to GeneDecks )
About This Section
SMN1 for domains About GeneDecksing 2 InterPro domains/families :
Graphical View of Domain Structure for InterPro Entry Q16637 ProtoNet protein and cluster: Q16637
2 Blocks protein families : IPB002999 Tudor domain IPB010304 Survival motor neuron UniProtKB/Swiss-Prot: SMN_HUMAN, Q16637 Domain : The Tudor domain mediates association with dimethylarginines, which are common in snRNP proteinsSimilarity : Belongs to the SMN familySimilarity : Contains 1 Tudor domain
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Functionfor SMN1 gene
(According to 1 UniProtKB ,
Genatlas ,
LifeMap Discovery™ ,
IUBMB , and/or
2 DME ,
Human phenotypes from GenomeRNAi ,
Animal models from MGI Mar 06 2013,
bound targets from SABiosciences ,
miRNA Gene Targets from miRTarBase
shRNA from
OriGene ,
RNAi from
EMD Millipore ,
siRNAs from
OriGene ,
QIAGEN ,
microRNA from QIAGEN ,
Gene Editing from DNA2.0 ,
Clones from EMD Millipore ,
OriGene ,
SwitchGear Genomics ,
GenScript ,
Sino Biological ,
DNA2.0 ,
and Vector BioLabs ,
Cell Lines from GenScript ,
LifeMap BioReagents ,
In Situ Hybridization Assays from Advanced Cell Diagnostics ,
Ontologies according to Gene Ontology Consortium 01 Mar 2013 via
Entrez Gene .)
About This Section Function Summary: UniProtKB/Swiss-Prot: SMN_HUMAN, Q16637 Function : The SMN complex plays an essential role in spliceosomal snRNP assembly in the cytoplasm and is required forpre-mRNA splicing in the nucleus. It may also play a role in the metabolism of snoRNPs
Genatlas biochemistry entry for SMN1 : survival motor neuron,telomeric copy;predominant by expressed in fetal tissues generally located both in the cytoplasm and the nucleus,where it is highly associated with gem-like (gemini of coiled bodies) structures,associating with a protein SIP1 to form a complex with several spliceosomal snRNP proteins playing an essential role in spliceosomal snRNP biogenesis and pre mRNA splicing regulatory activity in the nucleus and as regulator of transcription,with aberrant splicing of exon 7 determining the disease,interacting with BCL2 Clone Products: Browse Clones for the Expression of Recombinant Proteins Available from EMD Millipore OriGene Myc/DDK tagged cDNA clones in CMV expression vector in human , mouse , rat for SMN1 (see all 4 ) OriGene untagged cDNA clones in CMV expression vector in human , mouse , rat for SMN1 (see all 2 )OriGene custom cloning services – gene synthesis, subcloning, mutagenesis,
variant library, vector shuttling GenScript: all cDNA clones in your preferred vector (see all 2 ): SMN1 (NM_022874 ) Browse Sino Biological Human cDNA Clones DNA2.0 Custom Codon Optimized Gene
Synthesis Service for SMN1 Vector BioLabs ready-to-use adenovirus/AAV for human , mouse , rat SMN1
In Situ Assay Products: Advanced Cell Diagnostics RNAscope RNA in situ hybridization assays for SMN1
Gene Ontology (GO): 2 molecular function terms (GO ID links to tree view) : About this table
SMN1 for ontologies About GeneDecksing 1 GenomeRNAi human phenotype for SMN1 :Animal Models: Mouse knock-outs for SMN1: Smn1 tm1Hung Smn1 tm1.1Jme 15/19 MGI mutant phenotypes (inferred from 14 alleles ) (MGI details for Smn1) (see all 19 ):
SMN1 for phenotypes About GeneDecksing
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Pathways & Interactionsfor SMN1 gene
(Pathways according to
EMD Millipore ,
R&D Systems ,
Cell Signaling Technology ,
KEGG ,
PharmGKB ,
BioSystems ,
Reactome ,
Tocris Bioscience ,
GeneGo (Thomson Reuters) ,
QIAGEN ,
and/or UniProtKB ,
Sets of similar genes according to GeneDecks ,
Interaction Networks according to
SABiosciences ,
and/or STRING ,
Interactions according to 1 UniProtKB ,
2 MINT ,
3 I2D , and/or
4 STRING ,
with links to IntAct and
Ensembl ,
Ontologies according to Gene Ontology Consortium 01 Mar 2013 via
Entrez Gene) .
About This Section Unified GeneCards pathways   About this table See pathways by source Super-pathway contained gene-specific pathways 1 SLBP independent Processing of Histone Pre-mRNAs 2 RNA transport 3 Metabolism of mRNA 4 Generic Transcription Pathway
Pathway sources See GeneCards unified pathways Show all pathways 4
Reactome Pathways for SMN1 1
Kegg Pathway (Kegg details for SMN1) :
SMN1 for pathways About GeneDecksing Interactions: SABiosciences Gene Network CentralTM Interacting Genes and Proteins Network for SMN1 STRING Interaction
Network Preview (showing 5 interactants - click image to see 25)5/917 Interacting proteins for SMN1 (Q16637 1 , 2 , 3 ENSP00000370083 4 ) via UniProtKB, MINT, STRING , and/or I2D (see all 917 )About this table Gene Ontology (GO): 5/7 biological process terms (GO ID links to tree view) (see all 7 ): About this table
SMN1 for ontologies About GeneDecksing
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Drugs & Compoundsfor SMN1 gene (Chemical Compounds according to UniProtKB , Enzo Life Sciences ,
EMD Millipore , Tocris Bioscience
HMDB ,
BitterDB , and/or
Novoseek , and Drugs according to
DrugBank ,
Enzo Life Sciences , and/or
PharmGKB , with drugs/clinical trials/news
search links to CenterWatch )
About This Section
SMN1 for compounds About GeneDecksing Browse Tocris compounds for SMN1 10/11 Novoseek chemical compound relationships for SMN1 gene (see all 11 ) About this table
Compound
-log (P-Val)
Hits
PubMed IDs for Articles with Shared Sentences (# sentences)
phenylbutyrate
73.3
6
15523494 (3), 14560316 (2), 18633133 (1)
gemini
55.3
1
14697339 (1)
valproic acid
49.2
17
14595654 (3), 16611218 (2), 12915451 (2), 19733665 (2) (see all 8 )
aclarubicin
29.1
1
11734549 (1)
aminoglycosides
19.4
8
15790598 (2), 16951947 (2), 19625298 (1), 19150990 (1)
valproate
16.8
3
16607616 (1), 16775228 (1), 18633133 (1)
oligonucleotide
11.9
6
9987714 (1), 16449646 (1), 17647030 (1), 19535574 (1)
ribonucleic acid
10
2
17761657 (2)
arginine
8.02
13
12244096 (4), 11720283 (1), 12486110 (1), 11389857 (1) (see all 8 )
tyrosine
1.54
1
9158159 (1)
Search CenterWatch for drugs/clinical trials and news about SMN1 / SMN
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Transcriptsfor SMN1 gene (Secondary structures according to
fRNAdb ,
GenBank/EMBL/DDBJ Accessions according to
Unigene
(Build 235 Homo sapiens; Mar 10 2013) or GenBank , RefSeq according to Entrez Gene ,
DOTS (version 10), and/or
AceView ,
transcript ids from Ensembl
with links to UCSC ,
exon structure from GeneLoc ,
alternative splicing isoforms according to ASD and/or
ECgene ,
RNAi Products from
EMD Millipore ,
siRNAs from
OriGene ,
QIAGEN ,
shRNA from
OriGene ,
microRNA from QIAGEN ,
Tagged/untagged cDNA clones from
OriGene ,
SwitchGear Genomics ,
GenScript ,
DNA2.0 ,
Vector BioLabs ,
Primers from
OriGene ,
SABiosciences , and/or
QIAGEN
)About This Section REFSEQ mRNAs for SMN1 gene (2 alternative transcripts): NM_000344.3 NM_022874.2 Unigene Cluster for SMN1:
Survival of motor neuron 1, telomeric Hs.535788 [show with all ESTs ] Unigene Representative Sequence: NM_000344 10 Ensembl transcripts including schematic representations, and UCSC links where relevant : ENST00000503079 ENST00000380707 (uc003kak.3 uc003kam.3 ) ENST00000514951 (uc011crr.2 )ENST00000506239 ENST00000506163 ENST00000518504 ENST00000507905 ENST00000513228 ENST00000510679 ENST00000351205 (uc003kal.3 uc003kan.3 ) Clone Products: OriGene Myc/DDK tagged cDNA clones in CMV expression vector in human , mouse , rat for SMN1 (see all 4 ) OriGene untagged cDNA clones in CMV expression vector in human , mouse , rat for SMN1 (see all 2 )OriGene custom cloning services – gene synthesis, subcloning, mutagenesis,
variant library, vector shuttling GenScript: all cDNA clones in your preferred vector (see all 2 ): SMN1 (NM_022874 ) DNA2.0 Custom Codon Optimized Gene
Synthesis Service for SMN1 Vector BioLabs ready-to-use adenovirus/AAV for human , mouse , rat SMN1
Additional cDNA sequence: AK298203.1 BC062723.1 JQ657798.1 JQ657799.1 JQ657800.1 JQ657801.1 JQ657802.1 JQ657803.1 JQ690867.1 JQ690868.1 JQ732166.1 JQ732167.1 JQ745297.1 U18423.1
16 DOTS entries : DT.91752366 DT.100810925
DT.100799306 DT.100810924 DT.95367668 DT.91752362 DT.100018657 DT.100810926 DT.99958452 DT.100661323 DT.100810917 DT.120845147 DT.100708213 DT.100765329 DT.428244 DT.91693694 24/485 AceView cDNA sequences (see all 485 ):
AF073520 AA490188 CA426506 AW589894 AA954014 AA973579 AI214382 AI708117 AA770391 BM711678 BI789150 AI247115 CK904564 CB113391 BM142213 CA418286 AA989486 AV702489 CF264673 W58235 AL702418 BU728019 AI702752 CB306328 GeneLoc Exon Structure
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Expression for SMN1 gene
(RNA expression data according to
H-InvDB ,
NONCODE ,
miRBase , and
RNAdb ,
Expression images according to data from
BioGPS ,
Illumina Human BodyMap , and
CGAP
SAGE ,
Sets of similar genes according to GeneDecks ,
in vivo and in vitro expression data from LifeMap Discovery™ ,
plus additional links to
Genevestigator , and/or
SOURCE , and/or
BioGPS , and/or
UniProtKB ,
PCR Arrays from
SABiosciences ,
Primers from
OriGene ,
SABiosciences , and/or
QIAGEN ,
In Situ Hybridization Assays from Advanced Cell Diagnostics )
About This Section SMN1 expression in normal human tissues (normalized intensities) See probesets specificity/sensitivity at GeneAnnot About this image BioGPS CGAP TAG: GCTGTTCATT
About this image SMN1 expression in embryonic tissues and stem cells Expression by the Database of Embryonic development, Stem cell research, and
Regenerative medicine About this table See SMN1 Protein Expression from SPIRE MOPED and PaxDB Genevestigator expression for SMN1 SOURCE GeneReport for Unigene cluster: Hs.535788 UniProtKB/Swiss-Prot: SMN_HUMAN, Q16637 Tissue specificity : Expressed in a wide variety of tissues. Expressed at high levels in brain, kidney and liver,moderate levels in skeletal and cardiac muscle, and low levels in fibroblasts and lymphocytes. Also seen at high levels in spinal cord. Present in osteoclasts and mononuclear cells (at protein level) SABiosciences Custom PCR Arrays for SMN1 Primer Products: OriGene genome-wide validated SYBR primer pairs in human , mouse , rat for SMN1Browse OriGene validated miRNA SYBR primer pairs Search SABiosciences RT2 qPCR
Primer Assays in human, mouse, rat SMN1 QIAGEN QuantiTect SYBR Green Assays in human , mouse , rat SMN1 QIAGEN QuantiFast Probe-based Assays in human , mouse , rat SMN1 In Situ Assay Products: Advanced Cell Diagnostics RNAscope RNA in situ hybridization assays for SMN1
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Orthologsfor SMN1 gene
(Orthologs according to
1,2 HomoloGene (2 older version, for species not in 1 newer version),
3 euGenes ,
4 SGD
,
5 MGI Mar 06 2013,
with possible further links to
Flybase
and/or
WormBase ,
and/or
6 Ensembl pan taxonomic compara ,
Gene Trees according to Ensembl and
TreeFam )
About This Section
This gene was present in the common ancestor of animals.
Orthologs for SMN1 gene from 6/20 species (see all 20 ) About this table
Organism
Taxonomic classification
Gene
Description
Human Similarity
Orthology Type
Details
chicken (Gallus gallus)
Aves
SMN1
survival of motor neuron
67.07(n) 64.78(a)
 
374025 NM_204199.1 NP_989530.1
lizard (Anolis carolinensis)
Reptilia
--
--
62(a)
1 → many
2(16890021-16899453)
African clawed frog (Xenopus laevis)
Amphibia
LOC3984382
hypothetical protein LOC398438
75.59(n)
 
BC045073.1
zebrafish (Danio rerio)
Actinopterygii
smn2
survival motor neuron
77.81(n)
 
30432 BC060942.1
fruit fly (Drosophila melanogaster)
Insecta
Smn6
survival motor neuron
27(a)
1 → many
3L(16573498-16574647)
worm (Caenorhabditis elegans)
Secernentea
smn-16
SMN (human Survival Motor Neuron gene) homolog fam...
32(a)
1 → many
I(9511182-9512131)
ENSEMBL Gene Tree for SMN1 (if available)TreeFam Gene Tree for SMN1 (if available)
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Paralogsfor SMN1 gene (Paralogs according to
1 HomoloGene , 2 Ensembl , and 3 SIMAP , Pseudogenes according to 4 Pseudogene.org Build 68)About This Section Paralogs for SMN1 gene SMN2 1 2 SMNDC1 2 2 SIMAP similar genes for SMN1 using alignment to 7 protein entries: SMN_HUMAN (see all proteins ):SMN SMN2
SMN1 for paralogs About GeneDecksing 2 Pseudogenes.org Pseudogenes for SMN1 PGOHUM00000245781 PGOHUM00000236401
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Genomic Variantsfor SMN1 gene (SNPs/Variants according to the
1 NCBI SNP Database ,
2 Ensembl ,
3 PupaSUITE ,
UniProtKB , and
DNA2.0 ,
Linkage Disequilibrium by HapMap ,
Structural Variations(CNVs/InDels/Inversions) from the Database of Genomic Variants , Mutations from the Human Gene
Mutation Database (HGMD) and the Locus Specific Mutation
Databases (LSDB) , Blood group antigen gene mutations by BGMUT ,
Resequencing Primers from QIAGEN ,
Cancer Mutation PCR Arrays and Assays and Copy Number PCR Arrays from SABiosciences )
About This Section
Genomic Data Transcription Related Data Allele Frequencies SNP ID Valid Clinical significance Chr 5 pos Sequence # AA Chg Type More # Allele freq Pop Total sample More
HapMap Linkage Disequilibrium report for SMN1 (70220768 - 70249769 bp)
Structural Variations (Copy Number Variations, Insertions/Deletions, Inversions) Database of Genomic Variants (DGV): 47 variations for SMN1 15/45 CNVs (see all 45 ): 4452 69103 69125 4449 69095 31241 69097 69087 32723 69094 93094 69093 37550 7500 69126 2 Inversions : 37264 37263 Human Gene Mutation Database (HGMD) : SMN1 Locus Specific Mutation Databases (LSDB): SMN1 SABiosciences Cancer Mutation PCR Assays
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Disorders
/ Diseasesfor SMN1 gene
(in which this Gene is Involved, According to MalaCards ,
OMIM, UniProtKB ,
the University of Copenhagen DISEASES
database , Novoseek ,
Genatlas , GeneTests ,
GAD ,
HuGE Navigator ,
and/or TGDB .)
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SMN1 for disorders About GeneDecksing OMIM gene information: 600354 OMIM disorders : 253300 253550 253400 271150 UniProtKB/Swiss-Prot: SMN_HUMAN, Q16637
Defects in SMN1 are the cause of spinal muscular atrophy autosomal recessive type 1 (SMA1) [MIM:253300]. Spinal muscular atrophy refers to a group of neuromuscular disorders characterized by degeneration of the anterior horn cells of the spinal cord, leading to symmetrical muscle weakness and atrophy. Autosomal recessive forms are classified according to the age of onset, the maximum muscular activity achieved, and survivorship. The severity of the disease is mainly determined by the copy number of SMN2, a copy gene which predominantly produces exon 7-skipped transcripts and only low amount of full-length transcripts that encode for a protein identical to SMN1. Only about 4% of SMA patients bear one SMN1 copy with an intragenic mutation. SMA1 is a severe form, with onset before 6 months of age. SMA1 patients never achieve the ability to sit Defects in SMN1 are the cause of spinal muscular atrophy autosomal recessive type 2 (SMA2) [MIM:253550]. SMA2 is an autosomal recessive spinal muscular atrophy of intermediate severity, with onset between 6 and 18 months. Patients do not reach the motor milestone of standing, and survive into adulthood Defects in SMN1 are the cause of spinal muscular atrophy autosomal recessive type 3 (SMA3) [MIM:253400]. SMA3 is an autosomal recessive spinal muscular atrophy with onset after 18 months. SMA3 patients develop ability to stand and walk and survive into adulthood Defects in SMN1 are the cause of spinal muscular atrophy autosomal recessive type 4 (SMA4) [MIM:271150]. SMA4 is an autosomal recessive spinal muscular atrophy characterized by symmetric proximal muscle weakness with onset in adulthood and slow disease progression. SMA4 patients can stand and walk 20/35 diseases for SMN1 (see all 35 ): About MalaCards spinal muscular atrophy muscular atrophy werdnig-hoffmann disease spinal muscular atrophy 1 spinal muscular atrophy (smn2) proximal spinal muscular atrophy werdnig-hoffman disease anterior horn cell disease spinal cord disease monomelic amyotrophy cytoplasmic body myopathy neuronitis progressive muscular atrophy motor neuron disease lower motor neuron disease amyotrophic lateral sclerosis gangliosidosis lateral sclerosis congenital heart defect neuromuscular disease 4 diseases from the University of Copenhagen DISEASES database for SMN1 :Spinal muscular atrophy Muscular atrophy Neuropathy Autosomal recessive disease 10/30 Novoseek disease relationships for SMN1 gene (see all 30 ) About this table
Disease
-log (P-Val)
Hits
PubMed IDs for Articles with Shared Sentences (# sentences)
muscular atrophy spinal
99.2
487
17761651 (5), 15964810 (4), 17761649 (3), 17761657 (3) (see all 99 )
werdnig-hoffmann disease
93.1
22
11504604 (2), 9363657 (1), 9719377 (1), 18662980 (1) (see all 19 )
sma iii
92.5
13
8595417 (1), 9713008 (1), 11987841 (1), 8730281 (1) (see all 11 )
sma ii
90
8
8595417 (2), 11287750 (2), 10652743 (1), 16936383 (1) (see all 6 )
neuromuscular diseases
85.6
45
9735373 (1), 10501549 (1), 15832310 (1), 17027862 (1) (see all 40 )
motor neuron disease
79.7
25
19716110 (1), 9259265 (1), 9585359 (1), 11313744 (1) (see all 23 )
spinal disorder
79.1
28
9719377 (1), 11509571 (1), 15964810 (1), 11121410 (1) (see all 25 )
motor neuron disease lower
74.2
6
9585359 (1), 11993528 (1), 18367439 (1), 16931506 (1) (see all 6 )
atrophy
66.8
7
16108074 (1), 19517146 (1), 19351384 (1), 17511908 (1) (see all 7 )
neurodegenerative diseases
63.5
32
11509571 (1), 12878704 (1), 16385450 (1), 12833158 (1) (see all 29 )
GeneTests: SMN1 Spinal Muscular Atrophy Genetic Association Database (GAD): SMN1 Human Genome Epidemiology (HuGE) Navigator: SMN1 (34 documents) Export disorders for SMN1 gene to outside databases
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Publicationsfor SMN1 gene (in
PubMed .
Associations of this gene to articles via
1 Entrez Gene ,
2 UniProtKB/Swiss-Prot ,
3 HGNC ,
4 GAD ,
5 PharmGKB ,
6 HMDB ,
7 DrugBank ,
8 UniProtKB/TrEMBL ,
9 Novoseek , and/or
10 fRNAdb )
About This Section PubMed articles for SMN1 gene, integrated from 9 sources (see all 545 ): (articles sorted by number of sources associating them with SMN1) Utopia : connect your pdf to the dynamic world of online information
Identification and characterization of a spinal muscular atrophy- determining gene. (PubMed id 7813012) 1 , 2 , 3 Lefebvre S....Melki J. (1995) SMN genotypes producing less SMN protein increase susceptibility to and severity of sporadic ALS. (PubMed id 16093455) 1 , 4, 9 Veldink J.H....Van den Berg L.H. (2005) Molecular and functional analysis of intragenic SMN1 mutations in patients with spinal muscular atrophy. (PubMed id 15580564) 1 , 2 , 9 Sun Y.... Wirth B. (2005) Quantitative studies on SMN1 gene and carrier testing of spinal muscular atrophy. (PubMed id 16331551) 1 , 4, 9 Chen W.J....Mu-rong S.X. (2005) The survival motor neuron protein in spinal muscular atrophy. (PubMed id 9259265) 1 , 2 , 9 Coovert D.D.... Burghes A.H.M. (1997) A novel function for SMN, the spinal muscular atrophy disease gene product, in pre-mRNA splicing. (PubMed id 9845364) 1 , 2 , 9 Pellizzoni L.... Dreyfuss G. (1998) Sequence of a 131-kb region of 5q13.1 containing the spinal muscular atrophy candidate genes SMN and NAIP. (PubMed id 9503025) 1 , 2 , 9 Chen Q....MacKenzie A.E. (1998) The spinal muscular atrophy disease gene product, SMN, and its associated protein SIP1 are in a complex with spliceosomal snRNP proteins. (PubMed id 9323129) 1 , 2 , 9 Liu Q.... Dreyfuss G. (1997) Abnormal SMN1 gene copy number is a susceptibility factor for amyotrophic lateral sclerosis. (PubMed id 11835381) 1 , 4, 9 Corcia P....Andres C. (2002) Identification of a novel missense mutation of the smnt gene in two siblings with spinal muscular atrophy. (PubMed id 10732802) 1 , 2 , 9 Wang C.H.... Day J.K. (1998)
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ATLAS , HORDE , IMGT , LEIDEN , UniProtKB/Swiss-Prot , and/or UniProtKB/TrEMBL ,Wikipedia and/or GeneReviews via UniProtKB/Swiss-Prot )About This Section
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PharmGKB entry for SMN1 Pharmacogenomics, SNPs, Pathways GeneReviews http://www.ncbi.nlm.nih.gov/sites/GeneTests/lab/gene/SMN1 GeneReviews http://www.ncbi.nlm.nih.gov/sites/GeneTests/lab/gene/SMN2 SHMPD http://shmpd.bii.a-star.edu.sg/gene.php?genestart=A&genename=SMN1
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About This Section Patent Information for SMN1 gene: Search GeneIP for patents involving SMN1 GeneCards and IP: Japan Patent Office Licenses GeneCards European Patent Office Licenses GeneCards Improving the IP Search
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Productsfor SMN1 gene (Antibodies, recombinant proteins, and assays from EMD Millipore , R&D Systems , OriGene , QIAGEN , GenScript , Cell Signaling Technology , SABiosciences , Novus Biologicals , Sino Biological , Enzo Life Sciences , Abcam , ProSpec , Uscn , Thermo Fisher Scientific , Gene Editing from DNA2.0 , Clones from EMD Millipore , OriGene , GenScript , Sino Biological , DNA2.0 , SwitchGear Genomics , Vector BioLabs , Cell lines from GenScript and LifeMap BioReagents , PCR Arrays from SABiosciences , Drugs and/or compounds from EMD Millipore , Tocris Bioscience , and/or
Enzo Life Sciences ), In Situ Hybridization Assays from Advanced Cell Diagnostics About This Section
OriGene Antibodies for SMN1 OriGene shRNA RFP for SMN1 OriGene 29mer shRNA kits in GFP-retroviral vector in human , mouse , rat for SMN1 OriGene genome-wide validated SYBR primer pairs in human , mouse , rat for SMN1 OriGene Protein Over-expression Lysate for SMN1 Browse OriGene Fluorogenic Cell Assay Kits OriGene siRNA for SMN1 OriGene 3'-UTR Clone for SMN1 OriGene untagged cDNA clones in CMV expression vector in human , mouse , rat for SMN1 OriGene Myc/DDK tagged cDNA clones in CMV expression vector in human , mouse , rat for SMN1 Browse OriGene GFP tagged cDNA clones in CMV expression vector Browse OriGene MicroRNA Expression Plasmids Browse OriGene basic RS shRNAs Browse OriGene validated miRNA SYBR primer pairs OriGene Purified Protein for SMN1 OriGene custom cloning services - gene synthesis, subcloning, mutagenesis,
variant library, vector shuttling OriGene Custom Antibody Services for SMN1 OriGene Custom Protein Services for SMN1 OriGene Custom Immunoassay Development
QIAGEN Custom miScript Target Protector blocks miRNA-binding site of in human, mouse, rat SMN1 Search QIAGEN SeqTarget long-range PCR primers in human, mouse, rat for resequencing SMN1 QIAGEN PyroMark CpG Assay predesigned Pyrosequencing DNA Methylation assays in human, mouse, rat SMN1 QIAGEN FlexiTube/FlexiPlate siRNA for gene silencing in human , mouse , rat SMN1 QIAGEN QuantiFast Probe-based Assays in human , mouse , rat SMN1 QIAGEN QuantiTect SYBR Green Assays in human , mouse , rat SMN1
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SMN1 Proteins, Antibodies, CLIAs, and ELISAs
Advanced Cell Diagnostics RNAscope RNA in situ hybridization assays for SMN1
ThermoFisher Antibody for SMN1
Vector BioLabs ready-to-use adenovirus/AAV for human , mouse , rat SMN1
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