Genetic Variant NM_181332.3:c.1380C>T (chrX-5903298-G-A) – ACMG Classification: Benign (-11 pts)

Variant summary

Our verdict is Benign. The variant received -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_181332.3(NLGN4X):c.1380C>T(p.His460His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00011 in 1,210,014 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 34 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000063 ( 0 hom., 2 hem., cov: 22)

Exomes 𝑓: 0.00011 ( 0 hom. 32 hem. )

Consequence

NLGN4X
NM_181332.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.848

Publications

1 publications found

Variant links:

Genes affected

NLGN4X (HGNC:14287): (neuroligin 4 X-linked) This gene encodes a member of the type-B carboxylesterase/lipase protein family. The encoded protein belongs to a family of neuronal cell surface proteins. Members of this family may act as splice site-specific ligands for beta-neurexins and may be involved in the formation and remodeling of central nervous system synapses. The encoded protein interacts with discs large homolog 4 (DLG4). Mutations in this gene have been associated with autism and Asperger syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2013]

NLGN4X Gene-Disease associations (from GenCC):

X-linked complex neurodevelopmental disorder
Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
autism, susceptibility to, X-linked 2
Inheritance: XL Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics

NLGN4X links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -11 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.61).

BP6

Variant X-5903298-G-A is Benign according to our data. Variant chrX-5903298-G-A is described in ClinVar as Likely_benign. ClinVar VariationId is 436020.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=0.848 with no splicing effect.

BS2

High Hemizygotes in GnomAd4 at 2 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NLGN4X	NM_181332.3 link	c.1380C>T	p.His460His	synonymous_variant	Exon 5 of 6	ENST00000381095.8	NP_851849.1	Q8N0W4-1A0A024RBV0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NLGN4X	ENST00000381095.8 link	c.1380C>T	p.His460His	synonymous_variant	Exon 5 of 6	1	NM_181332.3	ENSP00000370485.3		Q8N0W4-1

Frequencies

GnomAD3 genomes

AF:

0.0000626

AC:

AN:

111882

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000650

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000378

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000754

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000164

AC:

AN:

182708

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000768

Gnomad AMR exome

AF:

0.0000365

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000123

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000115

AC:

126

AN:

1098132

Hom.:

Cov.:

AF XY:

0.0000880

AC XY:

AN XY:

363540

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

26398

American (AMR)

AF:

0.0000284

AC:

AN:

35201

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19384

East Asian (EAS)

AF:

0.00

AC:

AN:

30206

South Asian (SAS)

AF:

0.0000369

AC:

AN:

54143

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40509

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4133

European-Non Finnish (NFE)

AF:

0.000141

AC:

119

AN:

842076

Other (OTH)

AF:

0.0000868

AC:

AN:

46082

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.474

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

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:

0.0000626

AC:

AN:

111882

Hom.:

Cov.:

AF XY:

0.0000587

AC XY:

AN XY:

34050

show subpopulations

African (AFR)

AF:

0.0000650

AC:

AN:

30787

American (AMR)

AF:

0.00

AC:

AN:

10673

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2650

East Asian (EAS)

AF:

0.00

AC:

AN:

3520

South Asian (SAS)

AF:

0.000378

AC:

AN:

2645

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6089

Middle Eastern (MID)

AF:

0.00

AC:

AN:

237

European-Non Finnish (NFE)

AF:

0.0000754

AC:

AN:

53078

Other (OTH)

AF:

0.00

AC:

AN:

1514

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.000214

Hom.:

Bravo

AF:

0.0000340

EpiCase

AF:

0.0000545

EpiControl

AF:

0.000119

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Sep 13, 2016

Genetic Services Laboratory, University of Chicago

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

-0.61

CADD

Benign

1.1

(source)

DANN

Benign

0.57

PhyloP100

0.85

Mutation Taster

=98/2

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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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