rs11538340

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_001377299.1(NDUFS2):​c.58C>A​(p.Pro20Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0826 in 1,612,070 control chromosomes in the GnomAD database, including 6,104 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P20L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.075 ( 480 hom., cov: 32)
Exomes 𝑓: 0.083 ( 5624 hom. )

Consequence

NDUFS2
NM_001377299.1 missense

Scores

1
17

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 0.378

Publications

29 publications found
Variant links:
Genes affected
NDUFS2 (HGNC:7708): (NADH:ubiquinone oxidoreductase core subunit S2) The protein encoded by this gene is a core subunit of the mitochondrial membrane respiratory chain NADH dehydrogenase (complex I). Mammalian mitochondrial complex I is composed of at least 43 different subunits, 7 of which are encoded by the mitochondrial genome, and the rest are the products of nuclear genes. The iron-sulfur protein fraction of complex I is made up of 7 subunits, including this gene product. Complex I catalyzes the NADH oxidation with concomitant ubiquinone reduction and proton ejection out of the mitochondria. Mutations in this gene are associated with mitochondrial complex I deficiency. Alternatively spliced transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Oct 2009]
NDUFS2 Gene-Disease associations (from GenCC):
  • Leigh syndrome
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • mitochondrial complex I deficiency, nuclear type 6
    Inheritance: AR, Unknown Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae)
  • Leigh syndrome with cardiomyopathy
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • Leigh syndrome with leukodystrophy
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • mitochondrial complex I deficiency
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • Leber hereditary optic neuropathy
    Inheritance: Mitochondrial Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0016286671).
BP6
Variant 1-161202443-C-A is Benign according to our data. Variant chr1-161202443-C-A is described in ClinVar as Benign. ClinVar VariationId is 293269.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.154 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
NDUFS2NM_001377299.1 linkc.58C>A p.Pro20Thr missense_variant Exon 1 of 14 ENST00000676972.1 NP_001364228.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
NDUFS2ENST00000676972.1 linkc.58C>A p.Pro20Thr missense_variant Exon 1 of 14 NM_001377299.1 ENSP00000503117.1 O75306-1

Frequencies

GnomAD3 genomes
AF:
0.0747
AC:
11363
AN:
152046
Hom.:
474
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0648
Gnomad AMI
AF:
0.0724
Gnomad AMR
AF:
0.0765
Gnomad ASJ
AF:
0.0594
Gnomad EAS
AF:
0.0703
Gnomad SAS
AF:
0.163
Gnomad FIN
AF:
0.0642
Gnomad MID
AF:
0.0759
Gnomad NFE
AF:
0.0771
Gnomad OTH
AF:
0.0679
GnomAD2 exomes
AF:
0.0854
AC:
20855
AN:
244234
AF XY:
0.0906
show subpopulations
Gnomad AFR exome
AF:
0.0658
Gnomad AMR exome
AF:
0.0780
Gnomad ASJ exome
AF:
0.0623
Gnomad EAS exome
AF:
0.0618
Gnomad FIN exome
AF:
0.0651
Gnomad NFE exome
AF:
0.0781
Gnomad OTH exome
AF:
0.0779
GnomAD4 exome
AF:
0.0834
AC:
121744
AN:
1459906
Hom.:
5624
Cov.:
31
AF XY:
0.0857
AC XY:
62253
AN XY:
726090
show subpopulations
African (AFR)
AF:
0.0627
AC:
2099
AN:
33466
American (AMR)
AF:
0.0773
AC:
3441
AN:
44518
Ashkenazi Jewish (ASJ)
AF:
0.0627
AC:
1633
AN:
26064
East Asian (EAS)
AF:
0.0867
AC:
3436
AN:
39652
South Asian (SAS)
AF:
0.169
AC:
14500
AN:
85740
European-Finnish (FIN)
AF:
0.0669
AC:
3545
AN:
53000
Middle Eastern (MID)
AF:
0.0946
AC:
544
AN:
5752
European-Non Finnish (NFE)
AF:
0.0786
AC:
87316
AN:
1111430
Other (OTH)
AF:
0.0868
AC:
5230
AN:
60284
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.486
Heterozygous variant carriers
0
6703
13407
20110
26814
33517
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
3368
6736
10104
13472
16840
<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:
0.0749
AC:
11397
AN:
152164
Hom.:
480
Cov.:
32
AF XY:
0.0767
AC XY:
5703
AN XY:
74384
show subpopulations
African (AFR)
AF:
0.0650
AC:
2698
AN:
41502
American (AMR)
AF:
0.0774
AC:
1184
AN:
15296
Ashkenazi Jewish (ASJ)
AF:
0.0594
AC:
206
AN:
3468
East Asian (EAS)
AF:
0.0703
AC:
364
AN:
5178
South Asian (SAS)
AF:
0.163
AC:
786
AN:
4818
European-Finnish (FIN)
AF:
0.0642
AC:
681
AN:
10604
Middle Eastern (MID)
AF:
0.0782
AC:
23
AN:
294
European-Non Finnish (NFE)
AF:
0.0772
AC:
5246
AN:
67980
Other (OTH)
AF:
0.0677
AC:
143
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
526
1052
1579
2105
2631
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
132
264
396
528
660
<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:
0.0723
Hom.:
1504
Bravo
AF:
0.0718
TwinsUK
AF:
0.0769
AC:
285
ALSPAC
AF:
0.0861
AC:
332
ESP6500AA
AF:
0.0640
AC:
282
ESP6500EA
AF:
0.0792
AC:
681
ExAC
AF:
0.0865
AC:
10501
Asia WGS
AF:
0.132
AC:
457
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:4
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Dec 06, 2018
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 27779215) -

Feb 22, 2016
Mayo Clinic Laboratories, Mayo Clinic
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Mitochondrial complex I deficiency, nuclear type 6 Benign:2
Apr 11, 2023
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Nov 29, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Mitochondrial complex I deficiency, nuclear type 1 Benign:1
Jan 13, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.084
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.31
CADD
Benign
13
DANN
Benign
0.96
DEOGEN2
Benign
0.051
T;.
Eigen
Benign
-0.66
Eigen_PC
Benign
-0.53
FATHMM_MKL
Benign
0.093
N
LIST_S2
Benign
0.70
T;T
MetaRNN
Benign
0.0016
T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.3
L;L
PhyloP100
0.38
PrimateAI
Uncertain
0.53
T
PROVEAN
Benign
0.010
N;N
REVEL
Benign
0.19
Sift
Benign
0.046
D;T
Sift4G
Benign
0.31
T;T
Polyphen
0.0010
B;.
Vest4
0.11
MPC
0.57
ClinPred
0.0062
T
GERP RS
3.8
PromoterAI
-0.10
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.8
Varity_R
0.059
gMVP
0.30
Mutation Taster
=97/3
polymorphism (auto)

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

Other links and lift over

dbSNP: rs11538340; hg19: chr1-161172233; COSMIC: COSV63487223; COSMIC: COSV63487223; API