rs41312170

Variant names:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_017780.4(CHD7):c.6111C>T(p.Pro2037Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00758 in 1,611,818 control chromosomes in the GnomAD database, including 70 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0061 ( 11 hom., cov: 32)

Exomes 𝑓: 0.0077 ( 59 hom. )

Consequence

CHD7
NM_017780.4 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:15

Conservation

PhyloP100: -3.59

Publications

3 publications found

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 Gene-Disease associations (from GenCC):

CHARGE syndrome
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, G2P, Labcorp Genetics (formerly Invitae), Broad Center for Mendelian Genomics, ClinGen
hypogonadotropic hypogonadism 5 with or without anosmia
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
hypogonadotropic hypogonadism
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Kallmann syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Omenn syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

CHD7 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.97).

BP6

Variant 8-60852836-C-T is Benign according to our data. Variant chr8-60852836-C-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 95800.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.0061 (929/152274) while in subpopulation NFE AF = 0.00898 (611/68014). AF 95% confidence interval is 0.00839. There are 11 homozygotes in GnomAd4. There are 420 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 11 AD,AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017780.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CHD7	NM_017780.4	MANE Select	c.6111C>T	p.Pro2037Pro	synonymous	Exon 31 of 38	NP_060250.2
	CHD7	NM_001316690.1		c.1717-9393C>T		intron	N/A	NP_001303619.1	Q9P2D1-4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CHD7	ENST00000423902.7	TSL:5 MANE Select	c.6111C>T	p.Pro2037Pro	synonymous	Exon 31 of 38	ENSP00000392028.1	Q9P2D1-1
CHD7	ENST00000524602.5	TSL:1	c.1717-9393C>T		intron	N/A	ENSP00000437061.1	Q9P2D1-4
CHD7	ENST00000933299.1		c.6147C>T	p.Pro2049Pro	synonymous	Exon 31 of 38	ENSP00000603358.1

Frequencies

GnomAD3 genomes

AF:

0.00612

AC:

931

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00140

Gnomad AMI

AF:

0.00439

Gnomad AMR

AF:

0.00295

Gnomad ASJ

AF:

0.000576

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00435

Gnomad FIN

AF:

0.0165

Gnomad MID

AF:

0.00633

Gnomad NFE

AF:

0.00901

Gnomad OTH

AF:

0.00525

GnomAD2 exomes

AF:

0.00643

AC:

1601

AN:

248860

AF XY:

0.00647

show subpopulations

Gnomad AFR exome

AF:

0.000905

Gnomad AMR exome

AF:

0.00156

Gnomad ASJ exome

AF:

0.000398

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0211

Gnomad NFE exome

AF:

0.00810

Gnomad OTH exome

AF:

0.00662

GnomAD4 exome

AF:

0.00774

AC:

11290

AN:

1459544

Hom.:

Cov.:

AF XY:

0.00758

AC XY:

5497

AN XY:

725590

show subpopulations

African (AFR)

AF:

0.00126

AC:

AN:

33452

American (AMR)

AF:

0.00161

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.000536

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39630

South Asian (SAS)

AF:

0.00434

AC:

374

AN:

86248

European-Finnish (FIN)

AF:

0.0196

AC:

1042

AN:

53130

Middle Eastern (MID)

AF:

0.00972

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00842

AC:

9352

AN:

1110204

Other (OTH)

AF:

0.00561

AC:

338

AN:

60288

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.462

Heterozygous variant carriers

631

1262

1894

2525

3156

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

340

680

1020

1360

1700

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00610

AC:

929

AN:

152274

Hom.:

Cov.:

AF XY:

0.00564

AC XY:

420

AN XY:

74476

show subpopulations

African (AFR)

AF:

0.00140

AC:

AN:

41550

American (AMR)

AF:

0.00294

AC:

AN:

15296

Ashkenazi Jewish (ASJ)

AF:

0.000576

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00435

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.0165

AC:

175

AN:

10616

Middle Eastern (MID)

AF:

0.00680

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00898

AC:

611

AN:

68014

Other (OTH)

AF:

0.00520

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.506

Heterozygous variant carriers

146

195

244

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00599

Hom.:

Bravo

AF:

0.00432

Asia WGS

AF:

0.00115

AC:

AN:

3478

EpiCase

AF:

0.00616

EpiControl

AF:

0.00593

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (7)

not provided (5)

CHARGE syndrome (1)

Hypogonadotropic hypogonadism 5 with or without anosmia (1)

Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.97

CADD

Benign

0.019

(source)

DANN

Benign

0.44

PhyloP100

-3.6

Mutation Taster

=83/17

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over