rs187751757

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 1P and 14B. PP3BP4_ModerateBP6_Very_StrongBS1

The NM_017780.4(CHD7):​c.8740G>A​(p.Gly2914Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000099 in 1,606,794 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 Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G2914E) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000089 ( 0 hom. )

Consequence

CHD7
NM_017780.4 missense

Scores

7
7
4

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 7.63

Publications

1 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

PP3
Multiple lines of computational evidence support a deleterious effect 8: AlphaMissense, BayesDel_noAF, Cadd, Eigen, FATHMM_MKL, M_CAP, phyloP100way_vertebrate, PrimateAI [when max_spliceai, MetaRNN, MutationAssessor, MutationTaster, PROVEAN was below the threshold]
BP4
Computational evidence support a benign effect (MetaRNN=0.100369334).
BP6
Variant 8-60865679-G-A is Benign according to our data. Variant chr8-60865679-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 363486.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000197 (30/152334) while in subpopulation AMR AF = 0.00144 (22/15306). AF 95% confidence interval is 0.000972. There are 0 homozygotes in GnomAd4. There are 16 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

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.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CHD7
NM_017780.4
MANE Select
c.8740G>Ap.Gly2914Arg
missense
Exon 38 of 38NP_060250.2
CHD7
NM_001316690.1
c.2593G>Ap.Gly865Arg
missense
Exon 5 of 5NP_001303619.1Q9P2D1-4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CHD7
ENST00000423902.7
TSL:5 MANE Select
c.8740G>Ap.Gly2914Arg
missense
Exon 38 of 38ENSP00000392028.1Q9P2D1-1
CHD7
ENST00000524602.5
TSL:1
c.2593G>Ap.Gly865Arg
missense
Exon 5 of 5ENSP00000437061.1Q9P2D1-4
CHD7
ENST00000933299.1
c.8773G>Ap.Gly2925Arg
missense
Exon 38 of 38ENSP00000603358.1

Frequencies

GnomAD3 genomes
AF:
0.000197
AC:
30
AN:
152216
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00144
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:
0.000118
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000314
AC:
77
AN:
245250
AF XY:
0.000263
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00194
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000809
Gnomad OTH exome
AF:
0.000338
GnomAD4 exome
AF:
0.0000887
AC:
129
AN:
1454460
Hom.:
0
Cov.:
31
AF XY:
0.0000803
AC XY:
58
AN XY:
722512
show subpopulations
African (AFR)
AF:
0.0000301
AC:
1
AN:
33180
American (AMR)
AF:
0.00192
AC:
85
AN:
44258
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25764
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39574
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53200
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5728
European-Non Finnish (NFE)
AF:
0.0000289
AC:
32
AN:
1106956
Other (OTH)
AF:
0.000183
AC:
11
AN:
59970
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
8
15
23
30
38
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<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:
0.000197
AC:
30
AN:
152334
Hom.:
0
Cov.:
33
AF XY:
0.000215
AC XY:
16
AN XY:
74478
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41576
American (AMR)
AF:
0.00144
AC:
22
AN:
15306
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5184
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4820
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000118
AC:
8
AN:
68034
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
2
4
7
9
11
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:
0.0000463
Hom.:
0
Bravo
AF:
0.000287
ExAC
AF:
0.000347
AC:
42

ClinVar

ClinVar submissions
Significance:Benign/Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
2
CHARGE syndrome (2)
-
-
1
CHD7-related disorder (1)
-
-
1
Hypogonadotropic hypogonadism 5 with or without anosmia (1)
-
-
1
Inborn genetic diseases (1)
-
-
1
not provided (1)
-
-
1
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.69
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Pathogenic
0.37
CADD
Pathogenic
29
DANN
Uncertain
1.0
DEOGEN2
Benign
0.26
T
Eigen
Pathogenic
0.78
Eigen_PC
Pathogenic
0.75
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
D
M_CAP
Pathogenic
0.50
D
MetaRNN
Benign
0.10
T
MetaSVM
Uncertain
0.54
D
MutationAssessor
Benign
1.6
L
PhyloP100
7.6
PrimateAI
Pathogenic
0.87
D
PROVEAN
Benign
-1.6
N
REVEL
Uncertain
0.40
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0060
D
Polyphen
1.0
D
Vest4
0.83
MutPred
0.27
Gain of methylation at G2914 (P = 0.0141)
MVP
0.98
MPC
0.73
ClinPred
0.077
T
GERP RS
4.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.35
gMVP
0.68
Mutation Taster
=13/87
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs187751757; hg19: chr8-61778238; API