8-60856636-A-G

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_017780.4(CHD7):ā€‹c.7356A>Gā€‹(p.Thr2452=) variant causes a synonymous change. The variant allele was found at a frequency of 0.0546 in 1,614,006 control chromosomes in the GnomAD database, including 2,654 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.041 ( 156 hom., cov: 33)
Exomes š‘“: 0.056 ( 2498 hom. )

Consequence

CHD7
NM_017780.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:14

Conservation

PhyloP100: 4.53
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.49).
BP6
Variant 8-60856636-A-G is Benign according to our data. Variant chr8-60856636-A-G is described in ClinVar as [Benign]. Clinvar id is 95811.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr8-60856636-A-G is described in Lovd as [Benign]. Variant chr8-60856636-A-G is described in Lovd as [Likely_benign].
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.0559 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CHD7NM_017780.4 linkuse as main transcriptc.7356A>G p.Thr2452= synonymous_variant 34/38 ENST00000423902.7 NP_060250.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CHD7ENST00000423902.7 linkuse as main transcriptc.7356A>G p.Thr2452= synonymous_variant 34/385 NM_017780.4 ENSP00000392028 P1Q9P2D1-1

Frequencies

GnomAD3 genomes
AF:
0.0413
AC:
6282
AN:
152200
Hom.:
156
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0141
Gnomad AMI
AF:
0.0780
Gnomad AMR
AF:
0.0289
Gnomad ASJ
AF:
0.0248
Gnomad EAS
AF:
0.0526
Gnomad SAS
AF:
0.0418
Gnomad FIN
AF:
0.0571
Gnomad MID
AF:
0.0316
Gnomad NFE
AF:
0.0574
Gnomad OTH
AF:
0.0497
GnomAD3 exomes
AF:
0.0462
AC:
11522
AN:
249274
Hom.:
360
AF XY:
0.0475
AC XY:
6417
AN XY:
135236
show subpopulations
Gnomad AFR exome
AF:
0.0137
Gnomad AMR exome
AF:
0.0221
Gnomad ASJ exome
AF:
0.0258
Gnomad EAS exome
AF:
0.0516
Gnomad SAS exome
AF:
0.0433
Gnomad FIN exome
AF:
0.0591
Gnomad NFE exome
AF:
0.0572
Gnomad OTH exome
AF:
0.0484
GnomAD4 exome
AF:
0.0560
AC:
81855
AN:
1461688
Hom.:
2498
Cov.:
32
AF XY:
0.0556
AC XY:
40420
AN XY:
727128
show subpopulations
Gnomad4 AFR exome
AF:
0.0128
Gnomad4 AMR exome
AF:
0.0234
Gnomad4 ASJ exome
AF:
0.0270
Gnomad4 EAS exome
AF:
0.0481
Gnomad4 SAS exome
AF:
0.0385
Gnomad4 FIN exome
AF:
0.0562
Gnomad4 NFE exome
AF:
0.0613
Gnomad4 OTH exome
AF:
0.0519
GnomAD4 genome
AF:
0.0412
AC:
6281
AN:
152318
Hom.:
156
Cov.:
33
AF XY:
0.0409
AC XY:
3043
AN XY:
74474
show subpopulations
Gnomad4 AFR
AF:
0.0141
Gnomad4 AMR
AF:
0.0288
Gnomad4 ASJ
AF:
0.0248
Gnomad4 EAS
AF:
0.0527
Gnomad4 SAS
AF:
0.0412
Gnomad4 FIN
AF:
0.0571
Gnomad4 NFE
AF:
0.0574
Gnomad4 OTH
AF:
0.0492
Alfa
AF:
0.0513
Hom.:
363
Bravo
AF:
0.0389
Asia WGS
AF:
0.0620
AC:
215
AN:
3478
EpiCase
AF:
0.0547
EpiControl
AF:
0.0562

ClinVar

Significance: Benign
Submissions summary: Benign:14
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:7
Benign, no assertion criteria providedclinical testingClinical Genetics, Academic Medical Center-- -
Benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)May 22, 2014- -
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineAug 23, 2017p.Thr2452Thr in exon 34 of CHD7: This variant is not expected to have clinical s ignificance because it does not alter an amino acid residue, is not located with in the splice consensus sequence, and has been identified in 5.65% (3768/66736) of European chromosomes by the Exome Aggregation Consortium (ExAC, http://exac.b roadinstitute.org; dbSNP rs2272727). -
Benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoFeb 08, 2013- -
Benign, no assertion criteria providedclinical testingClinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center-- -
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsJul 27, 2017- -
not provided Benign:4
Benign, criteria provided, single submitterclinical testingGeneDxMar 03, 2015- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingARUP Laboratories, Molecular Genetics and Genomics, ARUP LaboratoriesSep 27, 2019- -
Likely benign, no assertion criteria providedclinical testingLaboratory of Diagnostic Genome Analysis, Leiden University Medical Center (LUMC)-- -
CHARGE syndrome Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 01, 2024- -
Inborn genetic diseases Benign:1
Benign, criteria provided, single submitterclinical testingAmbry GeneticsMar 19, 2016This 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. -
Hypogonadotropic hypogonadism 5 with or without anosmia Benign:1
Benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.49
CADD
Benign
8.4
DANN
Benign
0.73

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: rs2272727; hg19: chr8-61769195; COSMIC: COSV101418019; COSMIC: COSV101418019; API