rs143503275

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 1P and 12B. PP2BP6_Very_StrongBS2

The NM_001271.4(CHD2):​c.4025G>A​(p.Arg1342Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000565 in 1,609,370 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000059 ( 0 hom. )

Consequence

CHD2
NM_001271.4 missense

Scores

6
11
2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 7.54
Variant links:
Genes affected
CHD2 (HGNC:1917): (chromodomain helicase DNA binding protein 2) The CHD family of proteins is characterized by the presence of chromo (chromatin organization modifier) domains and SNF2-related helicase/ATPase domains. CHD genes alter gene expression possibly by modification of chromatin structure thus altering access of the transcriptional apparatus to its chromosomal DNA template. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -11 ACMG points.

PP2
Missense variant in the CHD2 gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 57 curated pathogenic missense variants (we use a threshold of 10). The gene has 104 curated benign missense variants. Gene score misZ: 5.2052 (above the threshold of 3.09). Trascript score misZ: 6.0204 (above the threshold of 3.09). GenCC associations: The gene is linked to developmental and epileptic encephalopathy 94, complex neurodevelopmental disorder, myoclonic-astatic epilepsy, Lennox-Gastaut syndrome.
BP6
Variant 15-93000528-G-A is Benign according to our data. Variant chr15-93000528-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 567224.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAd4 at 5 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CHD2NM_001271.4 linkc.4025G>A p.Arg1342Gln missense_variant Exon 32 of 39 ENST00000394196.9 NP_001262.3 O14647-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CHD2ENST00000394196.9 linkc.4025G>A p.Arg1342Gln missense_variant Exon 32 of 39 5 NM_001271.4 ENSP00000377747.4 O14647-1
CHD2ENST00000637789.1 linkn.*600G>A non_coding_transcript_exon_variant Exon 9 of 9 5 ENSP00000489767.1 A0A1B0GTM9
CHD2ENST00000637789.1 linkn.*600G>A 3_prime_UTR_variant Exon 9 of 9 5 ENSP00000489767.1 A0A1B0GTM9

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152092
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00115
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
GnomAD3 exomes
AF:
0.0000564
AC:
14
AN:
248438
Hom.:
0
AF XY:
0.0000595
AC XY:
8
AN XY:
134394
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000896
Gnomad ASJ exome
AF:
0.000807
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000177
Gnomad OTH exome
AF:
0.000165
GnomAD4 exome
AF:
0.0000590
AC:
86
AN:
1457278
Hom.:
0
Cov.:
30
AF XY:
0.0000455
AC XY:
33
AN XY:
725158
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000915
Gnomad4 ASJ exome
AF:
0.00108
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000233
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000441
Gnomad4 OTH exome
AF:
0.0000499
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152092
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74292
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00115
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000121
Hom.:
0
Bravo
AF:
0.0000831
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.0000659
AC:
8

ClinVar

Significance: Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Inborn genetic diseases Benign:1
Jan 05, 2018
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as likely 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. -

not provided Benign:1
Nov 03, 2020
GeneDx
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Developmental and epileptic encephalopathy 94 Benign:1
Jul 01, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Likely 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
Uncertain
0.11
D
BayesDel_noAF
Uncertain
0.10
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.60
.;D
Eigen
Pathogenic
0.79
Eigen_PC
Pathogenic
0.78
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.98
D;D
M_CAP
Pathogenic
0.48
D
MetaRNN
Uncertain
0.43
T;T
MetaSVM
Uncertain
0.71
D
MutationAssessor
Uncertain
2.4
M;M
PrimateAI
Uncertain
0.68
T
PROVEAN
Uncertain
-2.8
.;D
REVEL
Uncertain
0.59
Sift
Uncertain
0.012
.;D
Sift4G
Uncertain
0.057
T;T
Polyphen
1.0
D;D
Vest4
0.42
MVP
0.82
MPC
0.97
ClinPred
0.89
D
GERP RS
5.2
RBP_binding_hub_radar
1.1
RBP_regulation_power_radar
3.0
Varity_R
0.25
gMVP
0.41

Splicing

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: rs143503275; hg19: chr15-93543758; API