Genetic Variant ENST00000625365.2:c.-230+126_-230+128delGGC (chr7-146116214-TGGC-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The ENST00000625365.2(CNTNAP2):c.-230+126_-230+128delGGC variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000422 in 151,786 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.00040 ( 0 hom., cov: 0)

Exomes 𝑓: 0.0049 ( 0 hom. )

Consequence

CNTNAP2
ENST00000625365.2 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.385

Publications

0 publications found

Variant links:

Genes affected

CNTNAP2 (HGNC:13830): (contactin associated protein 2) This gene encodes a member of the neurexin family which functions in the vertebrate nervous system as cell adhesion molecules and receptors. This protein, like other neurexin proteins, contains epidermal growth factor repeats and laminin G domains. In addition, it includes an F5/8 type C domain, discoidin/neuropilin- and fibrinogen-like domains, thrombospondin N-terminal-like domains and a putative PDZ binding site. This protein is localized at the juxtaparanodes of myelinated axons, and mediates interactions between neurons and glia during nervous system development and is also involved in localization of potassium channels within differentiating axons. This gene encompasses almost 1.5% of chromosome 7 and is one of the largest genes in the human genome. It is directly bound and regulated by forkhead box protein P2, a transcription factor related to speech and language development. This gene has been implicated in multiple neurodevelopmental disorders, including Gilles de la Tourette syndrome, schizophrenia, epilepsy, autism, ADHD and intellectual disability. [provided by RefSeq, Jul 2017]

CNTNAP2 Gene-Disease associations (from GenCC):

complex neurodevelopmental disorder
Inheritance: AR, AD Classification: DEFINITIVE, NO_KNOWN Submitted by: ClinGen
cortical dysplasia-focal epilepsy syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Illumina, Labcorp Genetics (formerly Invitae), Orphanet, G2P, Ambry Genetics

CNTNAP2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CNTNAP2	ENST00000625365.2 link	c.-230+126_-230+128delGGC		intron_variant	Intron 1 of 3	5		ENSP00000485955.1		A0A0D9SES4

Frequencies

GnomAD3 genomes

AF:

0.000397

AC:

AN:

151066

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000316

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00138

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000810

Gnomad SAS

AF:

0.00126

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000236

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00489

AC:

AN:

614

Hom.:

AF XY:

0.00682

AC XY:

AN XY:

440

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

American (AMR)

AC:

AN:

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

East Asian (EAS)

AF:

0.00

AC:

AN:

South Asian (SAS)

AF:

0.0204

AC:

AN:

European-Finnish (FIN)

AC:

AN:

Middle Eastern (MID)

AF:

0.00

AC:

AN:

European-Non Finnish (NFE)

AF:

0.00233

AC:

AN:

430

Other (OTH)

AF:

0.00

AC:

AN:

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000404

AC:

AN:

151172

Hom.:

Cov.:

AF XY:

0.000406

AC XY:

AN XY:

73852

show subpopulations

African (AFR)

AF:

0.000339

AC:

AN:

41262

American (AMR)

AF:

0.00138

AC:

AN:

15264

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.000813

AC:

AN:

4918

South Asian (SAS)

AF:

0.00126

AC:

AN:

4770

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10544

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.000237

AC:

AN:

67644

Other (OTH)

AF:

0.00

AC:

AN:

2104

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

2203

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.39

Splicing

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

Publications

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ENST00000625365.2:c.-230+126_-230+128delGGC

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