20-13785069-A-C

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_024120.5(NDUFAF5):ā€‹c.1A>Cā€‹(p.Met1?) variant causes a start lost change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000549 in 1,458,394 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (ā˜…).

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.0000055 ( 0 hom. )

Consequence

NDUFAF5
NM_024120.5 start_lost

Scores

5
3
8

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 1.41
Variant links:
Genes affected
NDUFAF5 (HGNC:15899): (NADH:ubiquinone oxidoreductase complex assembly factor 5) The NADH-ubiquinone oxidoreductase complex (complex I) of the mitochondrial respiratory chain catalyzes the transfer of electrons from NADH to ubiquinone, and consists of at least 43 subunits. The complex is located in the inner mitochondrial membrane. This gene encodes a mitochondrial protein that is associated with the matrix face of the mitochondrial inner membrane and is required for complex I assembly. A mutation in this gene results in mitochondrial complex I deficiency. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Start lost variant, no new inframe start found.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 20-13785069-A-C is Pathogenic according to our data. Variant chr20-13785069-A-C is described in ClinVar as [Pathogenic]. Clinvar id is 2703746.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
NDUFAF5NM_024120.5 linkuse as main transcriptc.1A>C p.Met1? start_lost 1/11 ENST00000378106.10 NP_077025.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
NDUFAF5ENST00000378106.10 linkuse as main transcriptc.1A>C p.Met1? start_lost 1/111 NM_024120.5 ENSP00000367346 P1Q5TEU4-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000164
AC:
4
AN:
243694
Hom.:
0
AF XY:
0.00000752
AC XY:
1
AN XY:
132966
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000117
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000549
AC:
8
AN:
1458394
Hom.:
0
Cov.:
31
AF XY:
0.00000551
AC XY:
4
AN XY:
725460
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000157
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:
9.00e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000434
Hom.:
0
Bravo
AF:
0.0000151

ClinVar

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

Submissions by phenotype

not provided Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpNov 24, 2023This sequence change affects the initiator methionine of the NDUFAF5 mRNA. The next in-frame methionine is located at codon 188. This variant is present in population databases (no rsID available, gnomAD 0.01%). Disruption of the initiator codon has been observed in individual(s) with mitochondrial complex I deficiency (PMID: 35379322). This variant disrupts a region of the NDUFAF5 protein in which other variant(s) (p.Lys109Asn) have been determined to be pathogenic (PMID: 30473481). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.20
D
BayesDel_noAF
Pathogenic
0.28
CADD
Benign
16
DANN
Benign
0.87
DEOGEN2
Benign
0.021
T;.
Eigen
Benign
-0.27
Eigen_PC
Benign
-0.20
FATHMM_MKL
Uncertain
0.80
D
LIST_S2
Uncertain
0.90
D;D
M_CAP
Pathogenic
0.57
D
MetaRNN
Pathogenic
0.94
D;D
MetaSVM
Benign
-0.62
T
MutationTaster
Benign
1.0
D;D
PROVEAN
Benign
-0.38
N;N
REVEL
Uncertain
0.45
Sift
Pathogenic
0.0
D;D
Sift4G
Benign
0.90
T;T
Polyphen
0.031
B;B
Vest4
0.52
MutPred
0.97
Gain of helix (P = 0.0199);Gain of helix (P = 0.0199);
MVP
0.73
ClinPred
0.86
D
GERP RS
4.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.96
gMVP
0.55

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: rs758736270; hg19: chr20-13765715; API