7-97127745-T-G

Variant names:

• chr7-97127745-T-G
• rs4398831
• NM_020186.3:c.174+9848T>G

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_020186.3(SDHAF3):​c.174+9848T>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts 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: 31)
• Consequence: SDHAF3 NM_020186.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.0940
• Publications: 2 publications found

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]

ACMG classification

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

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.76).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SDHAF3	NM_020186.3	c.174+9848T>G		intron_variant	Intron 1 of 1	ENST00000432641.3	NP_064571.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SDHAF3	ENST00000432641.3	c.174+9848T>G		intron_variant	Intron 1 of 1	1	NM_020186.3	ENSP00000414066.2
SDHAF3	ENST00000360382.4	c.175-8643T>G		intron_variant	Intron 1 of 2	2		ENSP00000353548.4
SDHAF3	ENST00000489852.1	n.197+9848T>G		intron_variant	Intron 1 of 1	3

Frequencies

GnomAD3 genomes Cov.: 31

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 31

Alfa AF: 0.00 Hom.: 12434

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.76
CADD	Benign	5.1
DANN	Benign	0.76
PhyloP100		0.094

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

Other links and lift over

dbSNP: rs4398831; hg19: chr7-96757057;