11-68030771-G-A

Variant names:

• chr11-68030771-G-A
• rs115672598
• NM_002496.4:c.-1+38G>A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 2P and 8B. PM2 BP4_Strong BS1

The NM_002496.4(NDUFS8):​c.-1+38G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000519 in 348,964 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.00037 (0 hom., cov: 33)
  • Exomes 𝑓: 0.00063 (0 hom.)
• Consequence: NDUFS8 NM_002496.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.52

Genes affected

NDUFS8 (HGNC:7715): (NADH:ubiquinone oxidoreductase core subunit S8) This gene encodes a subunit of mitochondrial NADH:ubiquinone oxidoreductase, or Complex I, a multimeric enzyme of the respiratory chain responsible for NADH oxidation, ubiquinone reduction, and the ejection of protons from mitochondria. The encoded protein is involved in the binding of two of the six to eight iron-sulfur clusters of Complex I and, as such, is required in the electron transfer process. Mutations in this gene have been associated with Leigh syndrome. [provided by RefSeq, Mar 2010]

ACMG classification

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 (BayesDel_noAF=-0.73).
• BS1: Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.000374 (57/152390) while in subpopulation SAS AF= 0.00103 (5/4834). AF 95% confidence interval is 0.000408. There are 0 homozygotes in gnomad4. There are 24 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NDUFS8	NM_002496.4	c.-1+38G>A		intron_variant	Intron 1 of 6	ENST00000313468.10	NP_002487.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NDUFS8	ENST00000313468.10	c.-1+38G>A		intron_variant	Intron 1 of 6	1	NM_002496.4	ENSP00000315774.5

Frequencies

GnomAD3 genomes AF: 0.000374 AC: 57 AN: 152272 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.000169

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000392

Gnomad ASJ AF: 0.00259

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00103

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000441

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.000631 AC: 124 AN: 196574 Hom.: 0 Cov.: 0 AF XY: 0.000774 AC XY: 85 AN XY: 109856

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.000306

Gnomad4 ASJ exome AF: 0.00166

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00120

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.000379

Gnomad4 OTH exome AF: 0.00107

GnomAD4 genome AF: 0.000374 AC: 57 AN: 152390 Hom.: 0 Cov.: 33 AF XY: 0.000322 AC XY: 24 AN XY: 74516

Gnomad4 AFR AF: 0.000168

Gnomad4 AMR AF: 0.000392

Gnomad4 ASJ AF: 0.00259

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00103

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000441

Gnomad4 OTH AF: 0.00

Bravo AF: 0.000400

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.73
CADD	Benign	14
DANN	Benign	0.91
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.1

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		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: rs115672598; hg19: chr11-67798238;