rs71640285

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 1P and 9B. PP2BP4_StrongBP6BS2

The NM_017780.4(CHD7):c.1397C>T(p.Ser466Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00197 in 1,613,542 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0020 ( 5 hom. )

Consequence

CHD7
NM_017780.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:12

Conservation

PhyloP100: 6.05

Variant links:

Genes affected

CHD7 (HGNC:20626): (chromodomain helicase DNA binding protein 7) This gene encodes a protein that contains several helicase family domains. Mutations in this gene have been found in some patients with the CHARGE syndrome. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2015]

CHD7 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

PP2

Missense variant where missense usually causes diseases, CHD7

BP4

Computational evidence support a benign effect (MetaRNN=0.018119663).

BP6

Variant 8-60742829-C-T is Benign according to our data. Variant chr8-60742829-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 260891.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=6, Uncertain_significance=2, Benign=2}. Variant chr8-60742829-C-T is described in Lovd as [Likely_benign].

BS2

High AC in GnomAd at 202 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
CHD7	NM_017780.4 linkuse as main transcript	c.1397C>T	p.Ser466Leu	missense_variant	2/38	ENST00000423902.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
CHD7	ENST00000423902.7 linkuse as main transcript	c.1397C>T	p.Ser466Leu	missense_variant	2/38	5	NM_017780.4	P1	Q9P2D1-1

Frequencies

GnomAD3 genomes

AF:

0.00133

AC:

202

AN:

152192

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000603

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000327

Gnomad ASJ

AF:

0.000864

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000941

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00246

Gnomad OTH

AF:

0.000480

GnomAD3 exomes

AF:

0.00103

AC:

255

AN:

247696

Hom.:

AF XY:

0.00110

AC XY:

148

AN XY:

134392

show subpopulations

Gnomad AFR exome

AF:

0.000261

Gnomad AMR exome

AF:

0.000320

Gnomad ASJ exome

AF:

0.00149

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000657

Gnomad FIN exome

AF:

0.0000465

Gnomad NFE exome

AF:

0.00191

Gnomad OTH exome

AF:

0.00133

GnomAD4 exome

AF:

0.00204

AC:

2980

AN:

1461232

Hom.:

Cov.:

AF XY:

0.00195

AC XY:

1419

AN XY:

726866

show subpopulations

Gnomad4 AFR exome

AF:

0.000149

Gnomad4 AMR exome

AF:

0.000314

Gnomad4 ASJ exome

AF:

0.00157

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000139

Gnomad4 FIN exome

AF:

0.000281

Gnomad4 NFE exome

AF:

0.00250

Gnomad4 OTH exome

AF:

0.00191

GnomAD4 genome

AF:

0.00133

AC:

202

AN:

152310

Hom.:

Cov.:

AF XY:

0.00117

AC XY:

AN XY:

74484

show subpopulations

Gnomad4 AFR

AF:

0.000601

Gnomad4 AMR

AF:

0.000327

Gnomad4 ASJ

AF:

0.000864

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.0000941

Gnomad4 NFE

AF:

0.00246

Gnomad4 OTH

AF:

0.000475

Alfa

AF:

0.00198

Hom.:

Bravo

AF:

0.00144

TwinsUK

AF:

0.00458

AC:

ALSPAC

AF:

0.00415

AC:

ESP6500AA

AF:

0.000245

AC:

ESP6500EA

AF:

0.00131

AC:

ExAC

AF:

0.00112

AC:

136

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:12

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Benign:6

Benign, criteria provided, single submitter	clinical testing	GeneDx	Oct 14, 2019	This variant is associated with the following publications: (PMID: 24862881, 29419413, 23533228, 16763960, 22539353, 28135719, 18834967) -
Likely benign, criteria provided, single submitter	clinical testing	CeGaT Center for Human Genetics Tuebingen	Oct 01, 2023	CHD7: BS1 -
Likely benign, no assertion criteria provided	clinical testing	Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+	-	- -
Likely benign, no assertion criteria provided	clinical testing	Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center	-	- -
Likely benign, no assertion criteria provided	clinical testing	Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen	-	- -
Likely benign, no assertion criteria provided	clinical testing	Laboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)	-	- -

not specified

Uncertain:1Benign:3

Uncertain significance, criteria provided, single submitter	clinical testing	Genetic Services Laboratory, University of Chicago	Nov 07, 2016	- -
Likely benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -
Likely benign, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Apr 19, 2016	- -
Likely benign, criteria provided, single submitter	clinical testing	Institute for Genomic Medicine (IGM) Clinical Laboratory, Nationwide Children's Hospital	Jul 17, 2017	BS1, BP1, BP6; This alteration has an allele frequency that is greater than expected for the associated disease, is a missense alteration in a gene for which primarily truncating variants are known to cause disease, and was reported as a benign/likely benign alteration by a reputable source (ClinVar or other correspondence from a clinical testing laboratory). -

CHARGE syndrome

Uncertain:1Benign:1

Likely benign, criteria provided, single submitter	clinical testing	Invitae	Jan 29, 2024	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Center for Human Genetics, Inc, Center for Human Genetics, Inc	Nov 01, 2016	- -

Inborn genetic diseases

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Oct 21, 2021

This 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. -

Hypogonadotropic hypogonadism 5 with or without anosmia

Benign:1

Benign, criteria provided, single submitter

clinical testing

Illumina Laboratory Services, Illumina

Apr 27, 2017

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.13

Cadd

Uncertain

Dann

Uncertain

1.0

DEOGEN2

Benign

0.15

T;.;.

Eigen

Benign

0.069

Eigen_PC

Uncertain

0.25

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.94

D;D;D

M_CAP

Uncertain

0.11

MetaRNN

Benign

0.018

T;T;T

MetaSVM

Benign

-0.35

MutationAssessor

Benign

0.90

L;L;L

MutationTaster

Benign

0.98

D;D;D;D

PrimateAI

Uncertain

0.55

PROVEAN

Benign

-1.1

N;N;N

REVEL

Benign

0.13

Sift

Uncertain

0.0020

D;D;D

Sift4G

Benign

0.12

T;T;T

Polyphen

0.082

B;.;.

Vest4

0.42

MVP

0.79

MPC

0.091

ClinPred

0.038

GERP RS

5.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.11

gMVP

0.31

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over