Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_ModerateBP6_ModerateBP7BS1

The NM_005866.4(SIGMAR1):c.303C>T(p.Ser101Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000413 in 1,572,826 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000042 ( 0 hom. )

Consequence

SIGMAR1
NM_005866.4 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.117

Publications

1 publications found

Variant links:

Genes affected

SIGMAR1 (HGNC:8157): (sigma non-opioid intracellular receptor 1) This gene encodes a receptor protein that interacts with a variety of psychotomimetic drugs, including cocaine and amphetamines. The receptor is believed to play an important role in the cellular functions of various tissues associated with the endocrine, immune, and nervous systems. As indicated by its previous name, opioid receptor sigma 1 (OPRS1), the product of this gene was erroneously thought to function as an opioid receptor; it is now thought to be a non-opioid receptor. Mutations in this gene has been associated with juvenile amyotrophic lateral sclerosis 16. Alternative splicing of this gene results in transcript variants encoding distinct isoforms. [provided by RefSeq, Aug 2013]

SIGMAR1 Gene-Disease associations (from GenCC):

amyotrophic lateral sclerosis type 16
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp
autosomal recessive distal spinal muscular atrophy 2
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)
juvenile amyotrophic lateral sclerosis
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

SIGMAR1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.33).

BP6

Variant 9-34637269-G-A is Benign according to our data. Variant chr9-34637269-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 534265.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=0.117 with no splicing effect.

BS1

Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.0000394 (6/152340) while in subpopulation EAS AF = 0.00116 (6/5180). AF 95% confidence interval is 0.000504. There are 0 homozygotes in GnomAd4. There are 3 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005866.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
SIGMAR1	NM_005866.4	MANE Select	c.303C>T	p.Ser101Ser	synonymous	Exon 2 of 4	NP_005857.1
SIGMAR1	NM_001282206.2		c.50C>T	p.Pro17Leu	missense splice_region	Exon 2 of 4	NP_001269135.1
SIGMAR1	NM_001282207.2		c.243C>T	p.Ser81Ser	synonymous	Exon 2 of 4	NP_001269136.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
SIGMAR1	ENST00000277010.9	TSL:1 MANE Select	c.303C>T	p.Ser101Ser	synonymous	Exon 2 of 4	ENSP00000277010.4
SIGMAR1	ENST00000477726.1	TSL:1	c.303C>T	p.Ser101Ser	synonymous	Exon 2 of 3	ENSP00000420022.1
SIGMAR1	ENST00000353468.4	TSL:1	n.303C>T		splice_region non_coding_transcript_exon	Exon 2 of 4	ENSP00000434453.1

Frequencies

GnomAD3 genomes

AF:

0.0000394

AC:

AN:

152222

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00116

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000639

AC:

AN:

187924

AF XY:

0.0000393

show subpopulations

Gnomad AFR exome

AF:

0.0000874

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000695

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000200

GnomAD4 exome

AF:

0.0000415

AC:

AN:

1420486

Hom.:

Cov.:

AF XY:

0.0000469

AC XY:

AN XY:

704282

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32836

American (AMR)

AF:

0.00

AC:

AN:

39470

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25516

East Asian (EAS)

AF:

0.000395

AC:

AN:

37978

South Asian (SAS)

AF:

0.0000363

AC:

AN:

82544

European-Finnish (FIN)

AF:

0.00

AC:

AN:

41678

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5732

European-Non Finnish (NFE)

AF:

0.0000310

AC:

AN:

1095610

Other (OTH)

AF:

0.000118

AC:

AN:

59122

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000394

AC:

AN:

152340

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74478

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41588

American (AMR)

AF:

0.00

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00116

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.533

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.0000378

Asia WGS

AF:

0.00144

AC:

AN:

3478

ClinVar

ClinVar submissions as Germline

Significance:Likely benign

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Autosomal recessive distal spinal muscular atrophy 2;C3280587:Amyotrophic lateral sclerosis type 16 (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.33

CADD

Benign

(source)

DANN

Benign

0.96

PhyloP100

0.12

PromoterAI

0.0078

Neutral

(source)

Mutation Taster

=94/6

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.10

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

rs59277791

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

ClinVar submissions as Germline

Computational scores

Splicing

Publications

Other links and lift over