Genetic Variant NDUFAF8:p.Ala57Asp (chr17-81239653-C-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001086521.2(NDUFAF8):c.170C>A(p.Ala57Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000909 in 1,539,976 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 34)

Exomes 𝑓: 0.0000086 ( 0 hom. )

Consequence

NDUFAF8
NM_001086521.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.95

Variant links:

Genes affected

NDUFAF8 (HGNC:33551): (NADH:ubiquinone oxidoreductase complex assembly factor 8) Involved in mitochondrial respiratory chain complex I assembly. Located in mitochondrion. Implicated in nuclear type mitochondrial complex I deficiency 34. [provided by Alliance of Genome Resources, Apr 2022]

NDUFAF8 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NDUFAF8	NM_001086521.2 link	c.170C>A	p.Ala57Asp	missense_variant	Exon 2 of 3	ENST00000431388.3	NP_001079990.1	A1L188
NDUFAF8	NM_001353402.1 link	c.170C>A	p.Ala57Asp	missense_variant	Exon 2 of 3		NP_001340331.1
NDUFAF8	NM_001353403.1 link	c.-254C>A		5_prime_UTR_variant	Exon 2 of 3		NP_001340332.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NDUFAF8	ENST00000431388.3 link	c.170C>A	p.Ala57Asp	missense_variant	Exon 2 of 3	1	NM_001086521.2	ENSP00000400184.2		A1L188

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152246

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000865

AC:

AN:

1387730

Hom.:

Cov.:

AF XY:

0.00000730

AC XY:

AN XY:

684686

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:

0.0000111

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152246

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74376

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000294

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000189

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jan 01, 2023

CeGaT Center for Human Genetics Tuebingen

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

NDUFAF8: PM2, BP4 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.20

BayesDel_addAF

Uncertain

0.085

BayesDel_noAF

Benign

-0.12

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.15

Eigen

Benign

0.17

Eigen_PC

Benign

0.12

FATHMM_MKL

Benign

0.48

LIST_S2

Benign

0.85

M_CAP

Pathogenic

0.66

MetaRNN

Uncertain

0.59

MetaSVM

Benign

-0.61

PROVEAN

Uncertain

-3.9

REVEL

Benign

0.16

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.027

Polyphen

0.90

Vest4

0.62

MutPred

0.20

Loss of stability (P = 0.1743);

MVP

0.27

MPC

1.0

ClinPred

0.87

GERP RS

3.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.60

gMVP

0.72

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over