Genetic Variant NM_145267.3:c.10T>C (chr6-70566950-T-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_145267.3(SDHAF4):c.10T>C(p.Ser4Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000195 in 1,435,344 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S4T) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

SDHAF4
NM_145267.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.657

Publications

0 publications found

Variant links:

Genes affected

SDHAF4 (HGNC:20957): (succinate dehydrogenase complex assembly factor 4) Predicted to enable enzyme activator activity. Involved in cellular respiration and mitochondrial respiratory chain complex II assembly. Predicted to be located in mitochondrial matrix. Predicted to be active in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

SDHAF4 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.08529854).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_145267.3. 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
	SDHAF4	NM_145267.3	MANE Select	c.10T>C	p.Ser4Pro	missense	Exon 1 of 3	NP_660310.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SDHAF4	ENST00000370474.4	TSL:1 MANE Select	c.10T>C	p.Ser4Pro	missense	Exon 1 of 3	ENSP00000359505.3	Q5VUM1
	SDHAF4	ENST00000468640.1	TSL:3	n.34T>C		non_coding_transcript_exon	Exon 1 of 2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00

AC:

AN:

205072

AF XY:

0.00

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

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:

0.00

GnomAD4 exome

AF:

0.0000195

AC:

AN:

1435344

Hom.:

Cov.:

AF XY:

0.0000197

AC XY:

AN XY:

711276

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32948

American (AMR)

AF:

0.00

AC:

AN:

40874

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25582

East Asian (EAS)

AF:

0.000208

AC:

AN:

38440

South Asian (SAS)

AF:

0.00

AC:

AN:

82006

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51310

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5698

European-Non Finnish (NFE)

AF:

0.0000173

AC:

AN:

1099148

Other (OTH)

AF:

0.0000169

AC:

AN:

59338

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.072

BayesDel_addAF

Benign

-0.18

BayesDel_noAF

Benign

-0.50

CADD

Benign

5.0

(source)

DANN

Benign

0.90

DEOGEN2

Benign

0.013

Eigen

Benign

-0.95

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.027

LIST_S2

Benign

0.31

M_CAP

Benign

0.0068

MetaRNN

Benign

0.085

MetaSVM

Benign

-1.0

PhyloP100

-0.66

PROVEAN

Benign

-1.2

REVEL

Benign

0.039

Sift

Benign

0.067

Sift4G

Benign

0.30

Polyphen

0.41

Vest4

0.19

MutPred

0.21

Loss of MoRF binding (P = 0.0094)

MVP

0.16

MPC

0.16

ClinPred

0.21

GERP RS

-0.54

PromoterAI

0.10

Neutral

(source)

Varity_R

0.22

gMVP

0.23

Mutation Taster

=94/6

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over