10-100526440-T-C

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The NM_005004.4(NDUFB8):​c.427A>G​(p.Met143Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000067 in 1,611,732 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. M143I) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000072 ( 0 hom. )

Consequence

NDUFB8
NM_005004.4 missense

Scores

3
9
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.67

Publications

1 publications found
Variant links:
Genes affected
NDUFB8 (HGNC:7703): (NADH:ubiquinone oxidoreductase subunit B8) Involved in mitochondrial respiratory chain complex I assembly. Located in endoplasmic reticulum and mitochondrion. Part of mitochondrial respiratory chain complex I. Implicated in nuclear type mitochondrial complex I deficiency 32. Biomarker of Alzheimer's disease and Parkinson's disease. [provided by Alliance of Genome Resources, Apr 2022]
NDUFB8 Gene-Disease associations (from GenCC):
  • mitochondrial complex I deficiency, nuclear type 32
    Inheritance: AR, Unknown Classification: STRONG, MODERATE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • Leigh syndrome
    Inheritance: AR Classification: MODERATE Submitted by: ClinGen
  • Leigh syndrome with cardiomyopathy
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005004.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NDUFB8
NM_005004.4
MANE Select
c.427A>Gp.Met143Val
missense
Exon 4 of 5NP_004995.1O95169-1
NDUFB8
NM_001284367.2
c.427A>Gp.Met143Val
missense
Exon 4 of 5NP_001271296.1O95169-2
NDUFB8
NM_001284368.1
c.334A>Gp.Met112Val
missense
Exon 4 of 5NP_001271297.1O95169-3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NDUFB8
ENST00000299166.9
TSL:1 MANE Select
c.427A>Gp.Met143Val
missense
Exon 4 of 5ENSP00000299166.4O95169-1
ENSG00000255339
ENST00000557395.5
TSL:2
n.427A>G
non_coding_transcript_exon
Exon 4 of 10ENSP00000456832.1
NDUFB8
ENST00000937696.1
c.457A>Gp.Met153Val
missense
Exon 4 of 5ENSP00000607755.1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152072
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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
GnomAD2 exomes
AF:
0.0000602
AC:
15
AN:
249274
AF XY:
0.0000519
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000207
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000619
Gnomad OTH exome
AF:
0.000165
GnomAD4 exome
AF:
0.0000719
AC:
105
AN:
1459660
Hom.:
0
Cov.:
30
AF XY:
0.0000620
AC XY:
45
AN XY:
726216
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33252
American (AMR)
AF:
0.000204
AC:
9
AN:
44018
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26038
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39580
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86000
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53410
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5742
European-Non Finnish (NFE)
AF:
0.0000846
AC:
94
AN:
1111370
Other (OTH)
AF:
0.0000332
AC:
2
AN:
60250
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.478
Heterozygous variant carriers
0
6
13
19
26
32
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152072
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74266
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41400
American (AMR)
AF:
0.0000655
AC:
1
AN:
15274
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10570
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
68014
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.0000378
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ExAC
AF:
0.0000576
AC:
7
EpiCase
AF:
0.0000546
EpiControl
AF:
0.0000594

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Pathogenic
0.21
D
BayesDel_noAF
Pathogenic
0.35
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.086
T
Eigen
Uncertain
0.59
Eigen_PC
Uncertain
0.54
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.86
D
M_CAP
Benign
0.026
D
MetaRNN
Uncertain
0.70
D
MetaSVM
Benign
-0.34
T
MutationAssessor
Uncertain
2.5
M
PhyloP100
7.7
PrimateAI
Uncertain
0.59
T
PROVEAN
Benign
-2.0
N
REVEL
Uncertain
0.36
Sift
Benign
0.060
T
Sift4G
Uncertain
0.013
D
Polyphen
1.0
D
Vest4
0.92
MutPred
0.45
Gain of catalytic residue at M143 (P = 0.0366)
MVP
0.61
MPC
0.66
ClinPred
0.16
T
GERP RS
5.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.54
gMVP
0.91
Mutation Taster
=69/31
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs765591575; hg19: chr10-102286197; API