Genetic Variant SDAD1:p.Ala571Ala (chr4-75957574-G-C) – ACMG Classification: Benign (-13 pts)

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_ModerateBP6_ModerateBP7BS1BS2

The NM_018115.4(SDAD1):c.1713C>G(p.Ala571Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0014 in 1,614,092 control chromosomes in the GnomAD database, including 44 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0019 ( 7 hom., cov: 32)

Exomes 𝑓: 0.0014 ( 37 hom. )

Consequence

SDAD1
NM_018115.4 synonymous

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.0650

Publications

3 publications found

Variant links:

Genes affected

SDAD1 (HGNC:25537): (SDA1 domain containing 1) Predicted to be involved in ribosomal large subunit biogenesis and ribosomal large subunit export from nucleus. Predicted to act upstream of or within cellular response to leukemia inhibitory factor. Located in nucleolus and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

SDAD1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.46).

BP6

Variant 4-75957574-G-C is Benign according to our data. Variant chr4-75957574-G-C is described in ClinVar as [Benign]. Clinvar id is 773696.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=0.065 with no splicing effect.

BS1

Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.00187 (285/152200) while in subpopulation EAS AF = 0.0482 (250/5182). AF 95% confidence interval is 0.0433. There are 7 homozygotes in GnomAd4. There are 163 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 7 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SDAD1	NM_018115.4 link	c.1713C>G	p.Ala571Ala	synonymous_variant	Exon 19 of 22	ENST00000356260.10	NP_060585.2	Q9NVU7-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SDAD1	ENST00000356260.10 link	c.1713C>G	p.Ala571Ala	synonymous_variant	Exon 19 of 22	1	NM_018115.4	ENSP00000348596.5		Q9NVU7-1

Frequencies

GnomAD3 genomes

AF:

0.00189

AC:

288

AN:

152082

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000725

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.0485

Gnomad SAS

AF:

0.00353

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00287

GnomAD2 exomes

AF:

0.00336

AC:

846

AN:

251456

AF XY:

0.00327

show subpopulations

Gnomad AFR exome

AF:

0.000185

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0422

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000879

Gnomad OTH exome

AF:

0.00212

GnomAD4 exome

AF:

0.00136

AC:

1981

AN:

1461892

Hom.:

Cov.:

AF XY:

0.00138

AC XY:

1006

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.0000896

AC:

AN:

33480

American (AMR)

AF:

0.000112

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.0400

AC:

1589

AN:

39700

South Asian (SAS)

AF:

0.00121

AC:

104

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000890

AC:

AN:

1112012

Other (OTH)

AF:

0.00296

AC:

179

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.486

Heterozygous variant carriers

133

265

398

530

663

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00187

AC:

285

AN:

152200

Hom.:

Cov.:

AF XY:

0.00219

AC XY:

163

AN XY:

74406

show subpopulations

African (AFR)

AF:

0.0000723

AC:

AN:

41512

American (AMR)

AF:

0.000261

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.0482

AC:

250

AN:

5182

South Asian (SAS)

AF:

0.00353

AC:

AN:

4812

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10590

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000882

AC:

AN:

68016

Other (OTH)

AF:

0.00237

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000424

Hom.:

Bravo

AF:

0.00179

Asia WGS

AF:

0.0150

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.000119

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Jan 05, 2018

Labcorp Genetics (formerly Invitae), Labcorp

Significance: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

-0.46

CADD

Benign

7.1

(source)

DANN

Benign

0.59

PhyloP100

0.065

Mutation Taster

=99/1

polymorphism

(source)

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

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4-75957574-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over