rs778721199

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP2BP4

The NM_001170629.2(CHD8):​c.7G>A​(p.Asp3Asn) variant causes a missense change. The variant allele was found at a frequency of 0.00000072 in 1,389,456 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

CHD8
NM_001170629.2 missense

Scores

6
6
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.74
Variant links:
Genes affected
CHD8 (HGNC:20153): (chromodomain helicase DNA binding protein 8) This gene encodes a member of the chromodomain-helicase-DNA binding protein family, which is characterized by a SNF2-like domain and two chromatin organization modifier domains. The encoded protein also contains brahma and kismet domains, which are common to the subfamily of chromodomain-helicase-DNA binding proteins to which this protein belongs. This gene has been shown to function in several processes that include transcriptional regulation, epigenetic remodeling, promotion of cell proliferation, and regulation of RNA synthesis. Allelic variants of this gene are associated with autism spectrum disorder. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), CHD8. . Trascript score misZ 7.0202 (greater than threshold 3.09). GenCC has associacion of gene with autism, intellectual disability, intellectual developmental disorder with autism and macrocephaly, congenital myasthenic syndrome, complex neurodevelopmental disorder.
BP4
Computational evidence support a benign effect (MetaRNN=0.407808).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CHD8NM_001170629.2 linkuse as main transcriptc.7G>A p.Asp3Asn missense_variant 2/38 ENST00000646647.2 NP_001164100.1
CHD8NM_020920.4 linkuse as main transcriptc.6+174G>A intron_variant NP_065971.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CHD8ENST00000646647.2 linkuse as main transcriptc.7G>A p.Asp3Asn missense_variant 2/38 NM_001170629.2 ENSP00000495240 P3Q9HCK8-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000667
AC:
1
AN:
149872
Hom.:
0
AF XY:
0.0000125
AC XY:
1
AN XY:
79878
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000160
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
7.20e-7
AC:
1
AN:
1389456
Hom.:
0
Cov.:
33
AF XY:
0.00000146
AC XY:
1
AN XY:
685974
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.27e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000902
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMay 02, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.95
BayesDel_addAF
Benign
-0.057
T
BayesDel_noAF
Benign
-0.32
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.21
T;T;T;T;.;.
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.43
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.91
D;.;.;.;D;D
M_CAP
Pathogenic
0.42
D
MetaRNN
Benign
0.41
T;T;T;T;T;T
MetaSVM
Uncertain
-0.16
T
MutationAssessor
Benign
1.0
L;L;L;L;.;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.84
D
PROVEAN
Benign
-2.2
N;.;N;.;.;.
REVEL
Uncertain
0.41
Sift
Pathogenic
0.0
D;.;D;.;.;.
Sift4G
Pathogenic
0.0
D;.;D;.;.;.
Vest4
0.38
MutPred
0.43
Loss of disorder (P = 0.1008);Loss of disorder (P = 0.1008);Loss of disorder (P = 0.1008);Loss of disorder (P = 0.1008);.;.;
MVP
0.60
MPC
1.0
ClinPred
0.79
D
GERP RS
4.6
Varity_R
0.30
gMVP
0.72

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs778721199; hg19: chr14-21899796; API