rs34146273

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBS1BS2

The NM_020186.3(SDHAF3):​c.248C>T​(p.Thr83Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000968 in 1,613,984 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/18 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: 𝑓 0.0045 ( 8 hom., cov: 32)
Exomes 𝑓: 0.00060 ( 7 hom. )

Consequence

SDHAF3
NM_020186.3 missense

Scores

17

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.309
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.003202647).
BS1
Variant frequency is greater than expected in population afr. gnomad4_exome allele frequency = 0.000599 (876/1461728) while in subpopulation AFR AF= 0.0183 (611/33476). AF 95% confidence interval is 0.0171. There are 7 homozygotes in gnomad4_exome. There are 396 alleles in male gnomad4_exome subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 8 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SDHAF3NM_020186.3 linkuse as main transcriptc.248C>T p.Thr83Ile missense_variant 2/2 ENST00000432641.3
LOC124901704XR_007060445.1 linkuse as main transcriptn.132-736G>A intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SDHAF3ENST00000432641.3 linkuse as main transcriptc.248C>T p.Thr83Ile missense_variant 2/21 NM_020186.3 P1
SDHAF3ENST00000360382.4 linkuse as main transcriptc.*121C>T 3_prime_UTR_variant 3/32
SDHAF3ENST00000479853.1 linkuse as main transcriptn.212C>T non_coding_transcript_exon_variant 2/22

Frequencies

GnomAD3 genomes
AF:
0.00452
AC:
687
AN:
152138
Hom.:
8
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0156
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000917
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000279
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.00121
AC:
304
AN:
251356
Hom.:
5
AF XY:
0.000950
AC XY:
129
AN XY:
135840
show subpopulations
Gnomad AFR exome
AF:
0.0161
Gnomad AMR exome
AF:
0.000434
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.000416
Gnomad NFE exome
AF:
0.000132
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000599
AC:
876
AN:
1461728
Hom.:
7
Cov.:
30
AF XY:
0.000545
AC XY:
396
AN XY:
727156
show subpopulations
Gnomad4 AFR exome
AF:
0.0183
Gnomad4 AMR exome
AF:
0.000470
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.000580
Gnomad4 NFE exome
AF:
0.000130
Gnomad4 OTH exome
AF:
0.000994
GnomAD4 genome
AF:
0.00451
AC:
687
AN:
152256
Hom.:
8
Cov.:
32
AF XY:
0.00427
AC XY:
318
AN XY:
74464
show subpopulations
Gnomad4 AFR
AF:
0.0156
Gnomad4 AMR
AF:
0.000916
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000942
Gnomad4 NFE
AF:
0.000279
Gnomad4 OTH
AF:
0.00284
Alfa
AF:
0.000838
Hom.:
2
Bravo
AF:
0.00519
ESP6500AA
AF:
0.0138
AC:
61
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00138
AC:
168
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.082
BayesDel_addAF
Benign
-0.70
T
BayesDel_noAF
Benign
-0.76
CADD
Benign
6.1
DANN
Benign
0.95
DEOGEN2
Benign
0.023
T
Eigen
Benign
-1.2
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.021
N
LIST_S2
Benign
0.47
T
MetaRNN
Benign
0.0032
T
MetaSVM
Benign
-1.1
T
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.29
T
PROVEAN
Benign
-1.4
N
REVEL
Benign
0.029
Sift
Benign
0.29
T
Sift4G
Benign
0.27
T
Polyphen
0.0
B
Vest4
0.029
MVP
0.048
MPC
0.088
ClinPred
0.0014
T
GERP RS
0.68
Varity_R
0.036
gMVP
0.16

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

LitVar

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

Other links and lift over

dbSNP: rs34146273; hg19: chr7-96810397; API