Genetic Variant NHSL2:p.Asp89Asp (chrX-71911354-C-T) – ACMG Classification: Benign (-9 pts)

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP7BS2

The NM_001013627.3(NHSL2):c.267C>T(p.Asp89Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000285 in 1,087,188 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 9 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000018 ( 0 hom., 2 hem., cov: 24)

Exomes 𝑓: 0.000030 ( 0 hom. 7 hem. )

Consequence

NHSL2
NM_001013627.3 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.553

Publications

0 publications found

Variant links:

Genes affected

NHSL2 (HGNC:33737): (NHS like 2) Predicted to enable calcium ion binding activity. Predicted to be involved in cell differentiation. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

NHSL2 links:

ENSG00000300926 (HGNC:):

ENSG00000300926 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=-0.62).

BP7

Synonymous conserved (PhyloP=0.553 with no splicing effect.

BS2

High Hemizygotes in GnomAd4 at 2 gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NHSL2	NM_001013627.3 link	c.267C>T	p.Asp89Asp	synonymous_variant	Exon 1 of 8	ENST00000633930.2	NP_001013649.2	Q5HYW2-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NHSL2	ENST00000633930.2 link	c.267C>T	p.Asp89Asp	synonymous_variant	Exon 1 of 8	5	NM_001013627.3	ENSP00000488668.1	Q5HYW2-1
ENSG00000300926	ENST00000775127.1 link	n.58+566G>A		intron_variant	Intron 1 of 2
ENSG00000300926	ENST00000775128.1 link	n.235+353G>A		intron_variant	Intron 1 of 2

Frequencies

GnomAD3 genomes

AF:

0.0000178

AC:

AN:

112245

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000377

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000204

AC:

AN:

49103

AF XY:

0.000119

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000550

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000297

AC:

AN:

974943

Hom.:

Cov.:

AF XY:

0.0000233

AC XY:

AN XY:

300139

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

21698

American (AMR)

AF:

0.00

AC:

AN:

21619

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

15876

East Asian (EAS)

AF:

0.00

AC:

AN:

23919

South Asian (SAS)

AF:

0.0000492

AC:

AN:

40675

European-Finnish (FIN)

AF:

0.00

AC:

AN:

23840

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2865

European-Non Finnish (NFE)

AF:

0.0000332

AC:

AN:

783423

Other (OTH)

AF:

0.0000244

AC:

AN:

41028

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.480

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000178

AC:

AN:

112245

Hom.:

Cov.:

AF XY:

0.0000580

AC XY:

AN XY:

34475

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

30977

American (AMR)

AF:

0.00

AC:

AN:

10840

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2639

East Asian (EAS)

AF:

0.00

AC:

AN:

3479

South Asian (SAS)

AF:

0.00

AC:

AN:

2738

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6148

Middle Eastern (MID)

AF:

0.00

AC:

AN:

233

European-Non Finnish (NFE)

AF:

0.0000377

AC:

AN:

53007

Other (OTH)

AF:

0.00

AC:

AN:

1516

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000151

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.62

CADD

Benign

(source)

DANN

Benign

0.96

PhyloP100

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

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X-71911354-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over