6-70566971-A-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_145267.3(SDHAF4):​c.31A>T​(p.Ser11Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000208 in 1,440,854 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SDHAF4
NM_145267.3 missense

Scores

17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.404
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.052427262).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SDHAF4NM_145267.3 linkuse as main transcriptc.31A>T p.Ser11Cys missense_variant 1/3 ENST00000370474.4 NP_660310.2 Q5VUM1
SDHAF4XM_047418210.1 linkuse as main transcriptc.31A>T p.Ser11Cys missense_variant 1/3 XP_047274166.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SDHAF4ENST00000370474.4 linkuse as main transcriptc.31A>T p.Ser11Cys missense_variant 1/31 NM_145267.3 ENSP00000359505.3 Q5VUM1
SDHAF4ENST00000468640.1 linkuse as main transcriptn.55A>T non_coding_transcript_exon_variant 1/23

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000942
AC:
2
AN:
212346
Hom.:
0
AF XY:
0.0000175
AC XY:
2
AN XY:
114478
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000647
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:
0.00000208
AC:
3
AN:
1440854
Hom.:
0
Cov.:
31
AF XY:
0.00000280
AC XY:
2
AN XY:
714496
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000479
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:
9.07e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000830
AC:
1

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 12, 2024The c.31A>T (p.S11C) alteration is located in exon 1 (coding exon 1) of the SDHAF4 gene. This alteration results from a A to T substitution at nucleotide position 31, causing the serine (S) at amino acid position 11 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.063
BayesDel_addAF
Benign
-0.45
T
BayesDel_noAF
Benign
-0.70
CADD
Benign
6.2
DANN
Benign
0.68
DEOGEN2
Benign
0.021
T
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.030
N
LIST_S2
Benign
0.29
T
M_CAP
Benign
0.0036
T
MetaRNN
Benign
0.052
T
MetaSVM
Benign
-1.0
T
PROVEAN
Benign
-0.44
N
REVEL
Benign
0.016
Sift
Benign
0.21
T
Sift4G
Benign
0.14
T
Polyphen
0.0
B
Vest4
0.17
MutPred
0.40
Gain of sheet (P = 0.0073);
MVP
0.055
MPC
0.086
ClinPred
0.038
T
GERP RS
-0.44
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.072
gMVP
0.17

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs763403330; hg19: chr6-71276674; API