chr8-60865611-A-C

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4BP6

The NM_017780.4(CHD7):​c.8672A>C​(p.Asn2891Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000062 in 1,613,412 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 Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. N2891S) has been classified as Benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

CHD7
NM_017780.4 missense

Scores

1
9
9

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 5.03

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: Labcorp Genetics (formerly Invitae), Orphanet, PanelApp Australia, Broad Center for Mendelian Genomics, ClinGen, G2P
  • 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.34199357).
BP6
Variant 8-60865611-A-C is Benign according to our data. Variant chr8-60865611-A-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 197038.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CHD7NM_017780.4 linkc.8672A>C p.Asn2891Thr missense_variant Exon 38 of 38 ENST00000423902.7 NP_060250.2 Q9P2D1-1Q6ZWF9

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CHD7ENST00000423902.7 linkc.8672A>C p.Asn2891Thr missense_variant Exon 38 of 38 5 NM_017780.4 ENSP00000392028.1 Q9P2D1-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
151914
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000401
AC:
1
AN:
249090
AF XY:
0.00
show subpopulations
Gnomad AFR exome
AF:
0.0000646
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000616
AC:
9
AN:
1461498
Hom.:
0
Cov.:
31
AF XY:
0.00000413
AC XY:
3
AN XY:
726988
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33478
American (AMR)
AF:
0.00
AC:
0
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26118
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53392
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000360
AC:
4
AN:
1111698
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60368
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00000658
AC:
1
AN:
151914
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74196
show subpopulations
African (AFR)
AF:
0.0000242
AC:
1
AN:
41328
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4814
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10580
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67942
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.0000139
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.00000826
AC:
1

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1
May 08, 2014
Eurofins Ntd Llc (ga)
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

CHARGE syndrome;C3552553:Hypogonadotropic hypogonadism 5 with or without anosmia Uncertain:1
Dec 29, 2023
Fulgent Genetics, Fulgent Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

CHARGE syndrome Benign:1
Nov 03, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.28
BayesDel_addAF
Benign
-0.0028
T
BayesDel_noAF
Uncertain
-0.060
CADD
Benign
21
DANN
Uncertain
0.99
DEOGEN2
Uncertain
0.66
D;.
Eigen
Benign
0.096
Eigen_PC
Benign
0.22
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.92
D;D
M_CAP
Uncertain
0.16
D
MetaRNN
Benign
0.34
T;T
MetaSVM
Benign
-0.39
T
MutationAssessor
Benign
2.0
M;.
PhyloP100
5.0
PrimateAI
Uncertain
0.70
T
PROVEAN
Uncertain
-4.1
D;D
REVEL
Benign
0.15
Sift
Uncertain
0.0010
D;D
Sift4G
Uncertain
0.0040
D;D
Polyphen
0.48
P;.
Vest4
0.59
MutPred
0.31
Gain of glycosylation at N2891 (P = 0.0419);.;
MVP
0.86
MPC
0.20
ClinPred
0.46
T
GERP RS
4.9
Varity_R
0.55
gMVP
0.64
Mutation Taster
=26/74
disease causing

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

Other links and lift over

dbSNP: rs202039728; hg19: chr8-61778170; API