chr16-53156348-G-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 2P and 8B. PM2BP4_StrongBS2

The NM_001308319.2(CHD9):​c.259G>A​(p.Gly87Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,668 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

CHD9
NM_001308319.2 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.52
Variant links:
Genes affected
CHD9 (HGNC:25701): (chromodomain helicase DNA binding protein 9) Predicted to enable ATP binding activity; ATP-dependent activity, acting on DNA; and DNA binding activity. Predicted to be involved in DNA duplex unwinding and chromatin organization. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.055048287).
BS2
High AC in GnomAdExome4 at 5 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CHD9NM_001308319.2 linkuse as main transcriptc.259G>A p.Gly87Ser missense_variant 2/39 ENST00000447540.6 NP_001295248.1 Q3L8U1-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CHD9ENST00000447540.6 linkuse as main transcriptc.259G>A p.Gly87Ser missense_variant 2/395 NM_001308319.2 ENSP00000396345.2 Q3L8U1-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000402
AC:
1
AN:
248672
Hom.:
0
AF XY:
0.00000741
AC XY:
1
AN XY:
134892
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000889
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000342
AC:
5
AN:
1461668
Hom.:
0
Cov.:
33
AF XY:
0.00000275
AC XY:
2
AN XY:
727116
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000828
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMay 04, 2022The c.259G>A (p.G87S) alteration is located in exon 2 (coding exon 1) of the CHD9 gene. This alteration results from a G to A substitution at nucleotide position 259, causing the glycine (G) at amino acid position 87 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.064
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.39
CADD
Benign
22
DANN
Uncertain
0.97
DEOGEN2
Benign
0.030
T;.;T;.;T
Eigen
Benign
-0.24
Eigen_PC
Benign
0.037
FATHMM_MKL
Uncertain
0.77
D
LIST_S2
Benign
0.86
D;.;D;D;.
M_CAP
Benign
0.0040
T
MetaRNN
Benign
0.055
T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
-0.81
N;N;.;N;N
PrimateAI
Benign
0.35
T
PROVEAN
Benign
-0.72
N;N;N;N;N
REVEL
Benign
0.061
Sift
Benign
0.45
T;T;T;T;T
Sift4G
Benign
0.35
T;T;T;T;T
Polyphen
0.0
B;B;.;B;B
Vest4
0.11
MutPred
0.12
Gain of glycosylation at G87 (P = 0.0272);Gain of glycosylation at G87 (P = 0.0272);Gain of glycosylation at G87 (P = 0.0272);Gain of glycosylation at G87 (P = 0.0272);Gain of glycosylation at G87 (P = 0.0272);
MVP
0.43
MPC
0.060
ClinPred
0.19
T
GERP RS
4.8
Varity_R
0.041
gMVP
0.16

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: rs747697032; hg19: chr16-53190260; API