rs2293370

chr3-119501087-G-A

Variant summary

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

The NM_016589.4(TIMMDC1):c.360+227G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.185 in 152,190 control chromosomes in the GnomAD database, including 2,715 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 0.19 (2715 hom., cov: 32)
• Consequence: TIMMDC1 NM_016589.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.459

Genes affected

TIMMDC1 (HGNC:1321): (translocase of inner mitochondrial membrane domain containing 1) Located in mitochondrion and nucleoplasm. Implicated in nuclear type mitochondrial complex I deficiency 31. [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=-0.97).
• BA1: GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.317 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TIMMDC1	NM_016589.4	c.360+227G>A		intron_variant		ENST00000494664.6
TIMMDC1	XM_017006556.2	c.194+2160G>A		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TIMMDC1	ENST00000494664.6	c.360+227G>A		intron_variant		1	NM_016589.4	P1

Frequencies

GnomAD3 genomes AF: 0.185 AC: 28158 AN: 152072 Hom.: 2716 Cov.: 32

Gnomad AFR AF: 0.201

Gnomad AMI AF: 0.212

Gnomad AMR AF: 0.137

Gnomad ASJ AF: 0.151

Gnomad EAS AF: 0.330

Gnomad SAS AF: 0.191

Gnomad FIN AF: 0.119

Gnomad MID AF: 0.206

Gnomad NFE AF: 0.187

Gnomad OTH AF: 0.186

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

GnomAD4 genome AF: 0.185 AC: 28165 AN: 152190 Hom.: 2715 Cov.: 32 AF XY: 0.181 AC XY: 13486 AN XY: 74412

Gnomad4 AFR AF: 0.201

Gnomad4 AMR AF: 0.136

Gnomad4 ASJ AF: 0.151

Gnomad4 EAS AF: 0.330

Gnomad4 SAS AF: 0.190

Gnomad4 FIN AF: 0.119

Gnomad4 NFE AF: 0.187

Gnomad4 OTH AF: 0.187

Alfa AF: 0.187 Hom.: 4111

Bravo AF: 0.186

Asia WGS AF: 0.241 AC: 837 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.97
Cadd	Benign	0.16
Dann	Benign	0.67

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: rs2293370; hg19: chr3-119219934;