chrX-111301711-C-T

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 0P and 11B. BP4_StrongBP6_ModerateBP7BS2

The NM_001195553.2(DCX):​c.1077G>A​(p.Ser359=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000438 in 1,209,629 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 19 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 0.000081 ( 0 hom., 2 hem., cov: 22)
Exomes 𝑓: 0.000040 ( 0 hom. 17 hem. )

Consequence

DCX
NM_001195553.2 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -4.80
Variant links:
Genes affected
DCX (HGNC:2714): (doublecortin) This gene encodes a member of the doublecortin family. The protein encoded by this gene is a cytoplasmic protein and contains two doublecortin domains, which bind microtubules. In the developing cortex, cortical neurons must migrate over long distances to reach the site of their final differentiation. The encoded protein appears to direct neuronal migration by regulating the organization and stability of microtubules. In addition, the encoded protein interacts with LIS1, the regulatory gamma subunit of platelet activating factor acetylhydrolase, and this interaction is important to proper microtubule function in the developing cortex. Mutations in this gene cause abnormal migration of neurons during development and disrupt the layering of the cortex, leading to epilepsy, cognitive disability, subcortical band heterotopia ("double cortex" syndrome) in females and lissencephaly ("smooth brain" syndrome) in males. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2010]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.89).
BP6
Variant X-111301711-C-T is Benign according to our data. Variant chrX-111301711-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 1779541.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-4.8 with no splicing effect.
BS2
High Hemizygotes in GnomAd4 at 2 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DCXNM_001195553.2 linkuse as main transcriptc.1077G>A p.Ser359= synonymous_variant 7/7 ENST00000636035.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DCXENST00000636035.2 linkuse as main transcriptc.1077G>A p.Ser359= synonymous_variant 7/72 NM_001195553.2 A1

Frequencies

GnomAD3 genomes
AF:
0.0000807
AC:
9
AN:
111584
Hom.:
0
Cov.:
22
AF XY:
0.0000592
AC XY:
2
AN XY:
33806
show subpopulations
Gnomad AFR
AF:
0.000131
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000284
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00422
Gnomad NFE
AF:
0.0000188
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000382
AC:
7
AN:
183412
Hom.:
0
AF XY:
0.0000147
AC XY:
1
AN XY:
67868
show subpopulations
Gnomad AFR exome
AF:
0.000228
Gnomad AMR exome
AF:
0.0000365
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000524
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000244
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000401
AC:
44
AN:
1097994
Hom.:
0
Cov.:
29
AF XY:
0.0000468
AC XY:
17
AN XY:
363360
show subpopulations
Gnomad4 AFR exome
AF:
0.000152
Gnomad4 AMR exome
AF:
0.0000284
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000554
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000416
Gnomad4 OTH exome
AF:
0.0000217
GnomAD4 genome
AF:
0.0000806
AC:
9
AN:
111635
Hom.:
0
Cov.:
22
AF XY:
0.0000591
AC XY:
2
AN XY:
33867
show subpopulations
Gnomad4 AFR
AF:
0.000130
Gnomad4 AMR
AF:
0.000284
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000188
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000642
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsAug 10, 2020This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.89
CADD
Benign
0.043
DANN
Benign
0.58

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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.

Other links and lift over

dbSNP: rs372857538; hg19: chrX-110544939; COSMIC: COSV100576565; API