Genetic Variant SDHAF3:p.Asn112Lys (chr7-97181173-T-G) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_020186.3(SDHAF3):c.336T>G(p.Asn112Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000266 in 1,613,784 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

SDHAF3
NM_020186.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.788

Publications

1 publications found

Variant links:

Genes affected

SDHAF3 (HGNC:21752): (succinate dehydrogenase complex assembly factor 3) Predicted to be involved in mitochondrial respiratory chain complex II assembly; regulation of gluconeogenesis; and succinate metabolic process. Predicted to be located in mitochondrial matrix. Predicted to be active in mitochondrial intermembrane space. [provided by Alliance of Genome Resources, Apr 2022]

SDHAF3 links:

LOC124901704 (HGNC:):

LOC124901704 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0245713).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020186.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SDHAF3	NM_020186.3	MANE Select	c.336T>G	p.Asn112Lys	missense	Exon 2 of 2	NP_064571.1	Q9NRP4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SDHAF3	ENST00000432641.3	TSL:1 MANE Select	c.336T>G	p.Asn112Lys	missense	Exon 2 of 2	ENSP00000414066.2	Q9NRP4
SDHAF3	ENST00000360382.4	TSL:2	c.*209T>G		3_prime_UTR	Exon 3 of 3	ENSP00000353548.4	F8W9V1
SDHAF3	ENST00000479853.1	TSL:2	n.300T>G		non_coding_transcript_exon	Exon 2 of 2

Frequencies

GnomAD3 genomes

AF:

0.000138

AC:

AN:

152162

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000982

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:

0.00

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.0000159

AC:

AN:

251136

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.0000151

AC:

AN:

1461622

Hom.:

Cov.:

AF XY:

0.00000688

AC XY:

AN XY:

727090

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33470

American (AMR)

AF:

0.000134

AC:

AN:

44696

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39662

South Asian (SAS)

AF:

0.00

AC:

AN:

86224

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111892

Other (OTH)

AF:

0.000232

AC:

AN:

60380

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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

GnomAD4 genome

AF:

0.000138

AC:

AN:

152162

Hom.:

Cov.:

AF XY:

0.000148

AC XY:

AN XY:

74348

show subpopulations

African (AFR)

AF:

0.000121

AC:

AN:

41426

American (AMR)

AF:

0.000982

AC:

AN:

15276

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5202

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68016

Other (OTH)

AF:

0.000478

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

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:

0.00

Hom.:

Bravo

AF:

0.000348

ExAC

AF:

0.00000824

AC:

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.42

BayesDel_noAF

Benign

-0.61

CADD

Benign

3.0

(source)

DANN

Benign

0.41

DEOGEN2

Benign

0.0029

Eigen

Benign

-1.7

Eigen_PC

Benign

-1.8

FATHMM_MKL

Benign

0.032

LIST_S2

Benign

0.69

M_CAP

Benign

0.0035

MetaRNN

Benign

0.025

MetaSVM

Benign

-0.98

PhyloP100

-0.79

PrimateAI

Benign

0.40

PROVEAN

Benign

-0.53

REVEL

Benign

0.077

Sift

Benign

0.42

Sift4G

Benign

0.54

Polyphen

0.029

Vest4

0.095

MutPred

0.17

Gain of ubiquitination at N112 (P = 0.0031)

MVP

0.030

MPC

0.095

ClinPred

0.019

GERP RS

-9.1

Varity_R

0.061

gMVP

0.19

Mutation Taster

=90/10

polymorphism

(source)

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

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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