Genetic Variant NM_005004.4:c.513C>T (chr10-100523885-G-A) – ACMG Classification: Benign (-19 pts)

Variant summary

Our verdict is Benign. The variant received -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_005004.4(NDUFB8):c.513C>T(p.Gly171Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000925 in 1,614,106 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0048 ( 6 hom., cov: 32)

Exomes 𝑓: 0.00052 ( 9 hom. )

Consequence

NDUFB8
NM_005004.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 0.0370

Publications

0 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

NDUFB8 links:

ENSG00000255339 (HGNC:):

ENSG00000255339 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -19 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.41).

BP6

Variant 10-100523885-G-A is Benign according to our data. Variant chr10-100523885-G-A is described in ClinVar as Benign. ClinVar VariationId is 1532643.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.037 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00482 (734/152220) while in subpopulation AFR AF = 0.0172 (713/41520). AF 95% confidence interval is 0.0161. There are 6 homozygotes in GnomAd4. There are 341 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 6 AR,Unknown gene

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

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
NDUFB8	NM_005004.4	MANE Select	c.513C>T	p.Gly171Gly	synonymous	Exon 5 of 5	NP_004995.1	O95169-1
NDUFB8	NM_001284368.1		c.420C>T	p.Gly140Gly	synonymous	Exon 5 of 5	NP_001271297.1	O95169-3
NDUFB8	NM_001284367.2		c.*204C>T		3_prime_UTR	Exon 5 of 5	NP_001271296.1	O95169-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
NDUFB8	ENST00000299166.9	TSL:1 MANE Select	c.513C>T	p.Gly171Gly	synonymous	Exon 5 of 5	ENSP00000299166.4	O95169-1
ENSG00000255339	ENST00000557395.5	TSL:2	n.*112+92C>T		intron	N/A	ENSP00000456832.1
NDUFB8	ENST00000937696.1		c.543C>T	p.Gly181Gly	synonymous	Exon 5 of 5	ENSP00000607755.1

Frequencies

GnomAD3 genomes

AF:

0.00483

AC:

734

AN:

152102

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0172

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000983

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:

0.0000147

Gnomad OTH

AF:

0.00239

GnomAD2 exomes

AF:

0.00126

AC:

316

AN:

251482

AF XY:

0.000839

show subpopulations

Gnomad AFR exome

AF:

0.0178

Gnomad AMR exome

AF:

0.000376

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000440

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.000519

AC:

759

AN:

1461886

Hom.:

Cov.:

AF XY:

0.000440

AC XY:

320

AN XY:

727242

show subpopulations

African (AFR)

AF:

0.0185

AC:

621

AN:

33478

American (AMR)

AF:

0.000626

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.000243

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000306

AC:

AN:

1112010

Other (OTH)

AF:

0.000894

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.462

Heterozygous variant carriers

129

172

215

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

110

<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:

0.00482

AC:

734

AN:

152220

Hom.:

Cov.:

AF XY:

0.00458

AC XY:

341

AN XY:

74438

show subpopulations

African (AFR)

AF:

0.0172

AC:

713

AN:

41520

American (AMR)

AF:

0.000982

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10596

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68014

Other (OTH)

AF:

0.00236

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

117

156

195

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.00235

Hom.:

Bravo

AF:

0.00548

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

ClinVar submissions

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

NDUFB8-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.41

CADD

Benign

2.6

(source)

DANN

Benign

0.77

PhyloP100

0.037

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=92/8

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

Details are displayed if max score is > 0.2

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

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over