rs141947938

Positions:

chr8-60795119-G-A

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 1P and 20B. PP2BP4_StrongBP6_Very_StrongBS1BS2

The NM_017780.4(CHD7):c.2230G>A(p.Gly744Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000758 in 1,612,560 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 Likely benign (★★).

Frequency

Genomes: 𝑓 0.0043 ( 3 hom., cov: 32)

Exomes 𝑓: 0.00039 ( 2 hom. )

Consequence

CHD7
NM_017780.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:14

Conservation

PhyloP100: 7.99

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 -19 ACMG points.

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), CHD7. . Gene score misZ 3.2193 (greater than the threshold 3.09). Trascript score misZ 3.9401 (greater than threshold 3.09). GenCC has associacion of gene with Kallmann syndrome, hypogonadotropic hypogonadism 5 with or without anosmia, CHARGE syndrome, hypogonadotropic hypogonadism, Omenn syndrome.

BP4

Computational evidence support a benign effect (MetaRNN=0.008596957).

BP6

Variant 8-60795119-G-A is Benign according to our data. Variant chr8-60795119-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 158282.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr8-60795119-G-A is described in Lovd as [Benign].

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00433 (659/152248) while in subpopulation AFR AF= 0.0153 (634/41530). AF 95% confidence interval is 0.0143. There are 3 homozygotes in gnomad4. There are 293 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High AC in GnomAd4 at 659 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
CHD7	NM_017780.4 linkuse as main transcript	c.2230G>A	p.Gly744Ser	missense_variant	4/38	ENST00000423902.7	NP_060250.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
CHD7	ENST00000423902.7 linkuse as main transcript	c.2230G>A	p.Gly744Ser	missense_variant	4/38	5	NM_017780.4	ENSP00000392028	P1	Q9P2D1-1

Frequencies

GnomAD3 genomes

AF:

0.00433

AC:

659

AN:

152130

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0153

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000916

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00382

GnomAD3 exomes

AF:

0.00104

AC:

257

AN:

247686

Hom.:

AF XY:

0.000662

AC XY:

AN XY:

134386

show subpopulations

Gnomad AFR exome

AF:

0.0141

Gnomad AMR exome

AF:

0.000908

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:

0.0000444

Gnomad OTH exome

AF:

0.000501

GnomAD4 exome

AF:

0.000386

AC:

564

AN:

1460312

Hom.:

Cov.:

AF XY:

0.000325

AC XY:

236

AN XY:

726388

show subpopulations

Gnomad4 AFR exome

AF:

0.0129

Gnomad4 AMR exome

AF:

0.000832

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000233

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000261

Gnomad4 OTH exome

AF:

0.000995

GnomAD4 genome

AF:

0.00433

AC:

659

AN:

152248

Hom.:

Cov.:

AF XY:

0.00394

AC XY:

293

AN XY:

74430

show subpopulations

Gnomad4 AFR

AF:

0.0153

Gnomad4 AMR

AF:

0.000915

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00378

Alfa

AF:

0.000729

Hom.:

Bravo

AF:

0.00474

ESP6500AA

AF:

0.0123

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00128

AC:

154

Asia WGS

AF:

0.00202

AC:

AN:

3478

EpiCase

AF:

0.0000547

EpiControl

AF:

0.000119

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:14

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:8

Benign, no assertion criteria provided	clinical testing	Clinical Genetics, Academic Medical Center	-	- -
Benign, criteria provided, single submitter	clinical testing	Genetic Services Laboratory, University of Chicago	Feb 08, 2013	- -
Benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	May 22, 2019	The p.Gly744Ser variant in CHD7 is classified as benign because it has been identified in 1.5% (364/24154) of African chromosomes by gnomAD (http://gnomad.broadinstitute.org). ACMG/AMP criteria applied: BA1. -
Likely benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -
Benign, no assertion criteria provided	clinical testing	Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen	-	- -
Benign, criteria provided, single submitter	clinical testing	Eurofins Ntd Llc (ga)	Feb 28, 2014	- -
Benign, no assertion criteria provided	clinical testing	Joint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+	-	- -
Likely benign, criteria provided, single submitter	clinical testing	Women's Health and Genetics/Laboratory Corporation of America, LabCorp	Feb 25, 2024	- -

CHARGE syndrome

Benign:3

Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 29, 2024	- -
Benign, criteria provided, single submitter	curation	SIB Swiss Institute of Bioinformatics	May 31, 2018	This variant is interpreted as a Benign, for CHARGE syndrome, in Autosomal Dominant manner. The following ACMG Tag(s) were applied: BS2 => Observed in a healthy adult individual for a recessive (homozygous), dominant (heterozygous), or X-linked (hemizygous) disorder, with full penetrance expected at an early age. BS4 => Lack of segregation in affected members of a family. (PMID:21995344). -
Benign, criteria provided, single submitter	clinical testing	Mendelics	May 28, 2019	- -

not provided

Benign:2

Benign, criteria provided, single submitter	clinical testing	GeneDx	Aug 03, 2018	This variant is associated with the following publications: (PMID: 25077900, 23891399, 21995344, 22539353) -
Likely benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -

Inborn genetic diseases

Benign:1

Benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Jul 01, 2016

This alteration is classified as 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

AlphaMissense

Benign

0.22

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Uncertain

0.060

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.067

T;.

Eigen

Uncertain

0.64

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.59

T;T

MetaRNN

Benign

0.0086

T;T

MetaSVM

Benign

-0.96

MutationAssessor

Benign

1.8

L;L

MutationTaster

Benign

1.0

D;D;D;D

PrimateAI

Uncertain

0.71

PROVEAN

Benign

-0.090

N;N

REVEL

Uncertain

0.29

Sift

Benign

0.30

T;T

Sift4G

Benign

0.98

T;T

Polyphen

1.0

D;.

Vest4

0.76

MVP

0.84

MPC

0.52

ClinPred

0.019

GERP RS

5.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.11

gMVP

0.34

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.

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