rs864309548

Variant names:

• chr15-93020026-C-G
• NM_001271.4:c.4921C>G

Your query was ambiguous. Multiple possible variants found:

• chr15-93020026-C-G
• chr15-93020026-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2 PP2 BP4

The NM_001271.4(CHD2):​c.4921C>G​(p.Gln1641Glu) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: CHD2 NM_001271.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.46

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]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• 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.
• BP4: Computational evidence support a benign effect (MetaRNN=0.31902522).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CHD2	NM_001271.4	c.4921C>G	p.Gln1641Glu	missense_variant	Exon 38 of 39	ENST00000394196.9	NP_001262.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CHD2	ENST00000394196.9	c.4921C>G	p.Gln1641Glu	missense_variant	Exon 38 of 39	5	NM_001271.4	ENSP00000377747.4

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 35

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.16
BayesDel_addAF	Uncertain	0.087	D
BayesDel_noAF	Benign	-0.11
CADD	Uncertain	23
DANN	Benign	0.96
DEOGEN2	Benign	0.078	.;T
Eigen	Benign	0.13
Eigen_PC	Uncertain	0.30
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Uncertain	0.97	D;D
M_CAP	Benign	0.060	D
MetaRNN	Benign	0.32	T;T
MetaSVM	Uncertain	-0.15	T
MutationAssessor	Benign	1.9	L;L
PrimateAI	Uncertain	0.62	T
PROVEAN	Benign	-0.52	.;N
REVEL	Uncertain	0.35
Sift	Benign	0.12	.;T
Sift4G	Benign	1.0	T;T
Polyphen		0.51	P;B
Vest4		0.35
MutPred		0.20		Loss of MoRF binding (P = 0.0307);Loss of MoRF binding (P = 0.0307);
MVP		0.72
MPC		0.31
ClinPred		0.37	T
GERP RS		5.5
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.10
gMVP		0.35

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr15-93563256;