3-126747622-A-G

Position:

• chr3-126747622-A-G

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_032343.3(CHCHD6):​c.411+14400A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0911 in 152,222 control chromosomes in the GnomAD database, including 810 homozygotes. 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: 𝑓 0.091 (810 hom., cov: 32)
• Consequence: CHCHD6 NM_032343.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.468

Genes affected

CHCHD6 (HGNC:28184): (coiled-coil-helix-coiled-coil-helix domain containing 6) Involved in cellular response to DNA damage stimulus and cristae formation. Located in cytosol and mitochondrial inner membrane. Part of MICOS complex. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.91).
• BA1: GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.131 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
CHCHD6	NM_032343.3	c.411+14400A>G		intron_variant		ENST00000290913.8
CHCHD6	NM_001320610.2	c.411+14400A>G		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
CHCHD6	ENST00000290913.8	c.411+14400A>G		intron_variant		1	NM_032343.3	P1

Frequencies

GnomAD3 genomes AF: 0.0912 AC: 13871 AN: 152104 Hom.: 810 Cov.: 32

Gnomad AFR AF: 0.0261

Gnomad AMI AF: 0.143

Gnomad AMR AF: 0.0913

Gnomad ASJ AF: 0.170

Gnomad EAS AF: 0.00598

Gnomad SAS AF: 0.0522

Gnomad FIN AF: 0.0953

Gnomad MID AF: 0.209

Gnomad NFE AF: 0.133

Gnomad OTH AF: 0.115

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0911 AC: 13874 AN: 152222 Hom.: 810 Cov.: 32 AF XY: 0.0887 AC XY: 6602 AN XY: 74408

Gnomad4 AFR AF: 0.0261

Gnomad4 AMR AF: 0.0912

Gnomad4 ASJ AF: 0.170

Gnomad4 EAS AF: 0.00600

Gnomad4 SAS AF: 0.0529

Gnomad4 FIN AF: 0.0953

Gnomad4 NFE AF: 0.134

Gnomad4 OTH AF: 0.114

Alfa AF: 0.122 Hom.: 597

Bravo AF: 0.0898

Asia WGS AF: 0.0310 AC: 111 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.91
CADD	Benign	0.45
DANN	Benign	0.43

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

Other links and lift over

dbSNP: rs11718344; hg19: chr3-126466465; COSMIC: COSV52065873;