9-122144359-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014222.3(NDUFA8):ā€‹c.401A>Gā€‹(p.Asp134Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000186 in 1,614,158 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000013 ( 0 hom., cov: 33)
Exomes š‘“: 0.000019 ( 0 hom. )

Consequence

NDUFA8
NM_014222.3 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.55
Variant links:
Genes affected
NDUFA8 (HGNC:7692): (NADH:ubiquinone oxidoreductase subunit A8) The protein encoded by this gene belongs to the complex I 19 kDa subunit family. Mammalian complex I is composed of 45 different subunits. This protein has NADH dehydrogenase activity and oxidoreductase activity. It plays an important role in transfering electrons from NADH to the respiratory chain. The immediate electron acceptor for the enzyme is believed to be ubiquinone. Alternative splicing of this gene results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Dec 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.11647102).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NDUFA8NM_014222.3 linkuse as main transcriptc.401A>G p.Asp134Gly missense_variant 4/4 ENST00000373768.4 NP_055037.1
NDUFA8NM_001318195.2 linkuse as main transcriptc.381+3753A>G intron_variant NP_001305124.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NDUFA8ENST00000373768.4 linkuse as main transcriptc.401A>G p.Asp134Gly missense_variant 4/41 NM_014222.3 ENSP00000362873 P1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152176
Hom.:
0
Cov.:
33
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:
0.000415
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000760
AC:
19
AN:
250156
Hom.:
0
AF XY:
0.0000739
AC XY:
10
AN XY:
135316
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000621
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
28
AN:
1461864
Hom.:
0
Cov.:
32
AF XY:
0.0000206
AC XY:
15
AN XY:
727246
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:
0.000290
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152294
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74462
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:
0.000415
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.0000824
AC:
10

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 10, 2021The c.401A>G (p.D134G) alteration is located in exon 4 (coding exon 4) of the NDUFA8 gene. This alteration results from a A to G substitution at nucleotide position 401, causing the aspartic acid (D) at amino acid position 134 to be replaced by a glycine (G). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Benign
-0.15
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.27
T
Eigen
Benign
0.090
Eigen_PC
Benign
0.19
FATHMM_MKL
Benign
0.75
D
LIST_S2
Uncertain
0.91
D
M_CAP
Benign
0.068
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-0.31
T
MutationAssessor
Uncertain
2.5
M
MutationTaster
Benign
1.0
D;D
PrimateAI
Benign
0.42
T
PROVEAN
Benign
-2.1
N
REVEL
Uncertain
0.32
Sift
Benign
0.051
T
Sift4G
Benign
0.061
T
Polyphen
0.44
B
Vest4
0.25
MutPred
0.14
Loss of ubiquitination at K132 (P = 0.0454);
MVP
0.91
MPC
0.41
ClinPred
0.10
T
GERP RS
4.6
Varity_R
0.15
gMVP
0.66

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.

Other links and lift over

dbSNP: rs557704324; hg19: chr9-124906638; API