rs187204080

Variant names:

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_172244.3(SGCD):c.770G>A(p.Ter257Ter) variant causes a stop retained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000423 in 1,547,220 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0023 ( 2 hom., cov: 32)

Exomes 𝑓: 0.00022 ( 1 hom. )

Consequence

SGCD
NM_172244.3 stop_retained

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: -0.247

Variant links:

Genes affected

SGCD (HGNC:10807): (sarcoglycan delta) The protein encoded by this gene is one of the four known components of the sarcoglycan complex, which is a subcomplex of the dystrophin-glycoprotein complex (DGC). DGC forms a link between the F-actin cytoskeleton and the extracellular matrix. This protein is expressed most abundantly in skeletal and cardiac muscle. Mutations in this gene have been associated with autosomal recessive limb-girdle muscular dystrophy and dilated cardiomyopathy. Alternatively spliced transcript variants encoding distinct isoforms have been observed for this gene. [provided by RefSeq, Jul 2008]

SGCD links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.84).

BP6

Variant 5-156757775-G-A is Benign according to our data. Variant chr5-156757775-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 48124.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr5-156757775-G-A is described in Lovd as [Likely_benign].

BP7

Synonymous conserved (PhyloP=-0.247 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00231 (352/152320) while in subpopulation AFR AF= 0.00818 (340/41574). AF 95% confidence interval is 0.00746. There are 2 homozygotes in gnomad4. There are 152 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SGCD	NM_000337.6 link	c.699+71G>A		intron_variant	Intron 8 of 8	ENST00000337851.9	NP_000328.2	Q92629-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SGCD	ENST00000337851.9 link	c.699+71G>A		intron_variant	Intron 8 of 8	1	NM_000337.6	ENSP00000338343.4	Q92629-2
SGCD	ENST00000435422.7 link	c.696+71G>A		intron_variant	Intron 7 of 7	1		ENSP00000403003.2	Q92629-1
SGCD	ENST00000517913.5 link	c.770G>A	p.Ter257Ter	stop_retained_variant	Exon 10 of 10	5		ENSP00000429378.1	Q92629-3

Frequencies

GnomAD3 genomes

AF:

0.00231

AC:

351

AN:

152202

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00818

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00191

GnomAD3 exomes

AF:

0.000468

AC:

AN:

168822

Hom.:

AF XY:

0.000312

AC XY:

AN XY:

89626

show subpopulations

Gnomad AFR exome

AF:

0.00785

Gnomad AMR exome

AF:

0.0000433

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000217

AC:

303

AN:

1394900

Hom.:

Cov.:

AF XY:

0.000182

AC XY:

125

AN XY:

687764

show subpopulations

Gnomad4 AFR exome

AF:

0.00843

Gnomad4 AMR exome

AF:

0.000225

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000132

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.29e-7

Gnomad4 OTH exome

AF:

0.000415

GnomAD4 genome

AF:

0.00231

AC:

352

AN:

152320

Hom.:

Cov.:

AF XY:

0.00204

AC XY:

152

AN XY:

74478

show subpopulations

Gnomad4 AFR

AF:

0.00818

Gnomad4 AMR

AF:

0.000392

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00189

Alfa

AF:

0.00103

Hom.:

Bravo

AF:

0.00270

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:7

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:3

Nov 13, 2015

Eurofins Ntd Llc (ga)

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Nov 15, 2012

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

X257X in exon 8 of SGCD: This variant is not expected to have clinical significa nce because it does not alter the stop codon and is not located near a splice ju nction. This variant was present in 3.0% (10/334) of African American control ch romosomes (LMM unpublished data) and in 0.9% (33/3832) of African American chrom osomes from a broad population by the NHLBI Exome Sequencing Project (http://evs .gs.washington.edu/EVS/; dbSNP rs187204080). -

Jan 24, 2014

GeneDx

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Autosomal recessive limb-girdle muscular dystrophy type 2F

Benign:1

Feb 08, 2023

Genome-Nilou Lab

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Autosomal recessive limb-girdle muscular dystrophy type 2F;C1847667:Dilated cardiomyopathy 1L

Benign:1

Aug 10, 2021

Fulgent Genetics, Fulgent Genetics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

not provided

Benign:1

Sep 26, 2018

Athena Diagnostics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Dilated cardiomyopathy 1L

Benign:1

Feb 08, 2023

Genome-Nilou Lab

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.84

CADD

Benign

0.71

DANN

Benign

0.55

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over