19-6454335-C-T

Variant names:

• chr19-6454335-C-T
• rs761183980
• NM_024103.3:c.783G>A

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_024103.3(SLC25A23):​c.783G>A​(p.Met261Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000322 in 1,613,814 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.000020 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000034 (0 hom.)
• Consequence: SLC25A23 NM_024103.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.86

Genes affected

SLC25A23 (HGNC:19375): (solute carrier family 25 member 23) Predicted to enable ATP transmembrane transporter activity. Involved in calcium import into the mitochondrion; positive regulation of mitochondrial calcium ion concentration; and regulation of cellular hyperosmotic salinity response. Located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.31576174).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC25A23	NM_024103.3	c.783G>A	p.Met261Ile	missense_variant	Exon 6 of 10	ENST00000301454.9	NP_077008.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLC25A23	ENST00000301454.9	c.783G>A	p.Met261Ile	missense_variant	Exon 6 of 10	1	NM_024103.3	ENSP00000301454.3

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 152206 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000241

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

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: 0.00

GnomAD2 exomes AF: 0.0000717 AC: 18 AN: 250874 AF XY: 0.0000812

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.000289

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000706

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000335 AC: 49 AN: 1461608 Hom.: 0 Cov.: 31 AF XY: 0.0000358 AC XY: 26 AN XY: 727104

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.000246 AC: 11 AN: 44702

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26104

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86214

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53414

Middle Eastern (MID) AF: 0.000347 AC: 2 AN: 5766

European-Non Finnish (NFE) AF: 0.0000279 AC: 31 AN: 1111844

Other (OTH) AF: 0.0000828 AC: 5 AN: 60384

GnomAD4 genome AF: 0.0000197 AC: 3 AN: 152206 Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1 AN XY: 74362

African (AFR) AF: 0.0000241 AC: 1 AN: 41452

American (AMR) AF: 0.000131 AC: 2 AN: 15272

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3472

East Asian (EAS) AF: 0.00 AC: 0 AN: 5202

South Asian (SAS) AF: 0.00 AC: 0 AN: 4832

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10628

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68026

Other (OTH) AF: 0.00 AC: 0 AN: 2094

Alfa AF: 0.0000658 Hom.: 0

ExAC AF: 0.0000576 AC: 7

EpiCase AF: 0.00

EpiControl AF: 0.000119

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Aug 12, 2021

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.783G>A (p.M261I) alteration is located in exon 6 (coding exon 6) of the SLC25A23 gene. This alteration results from a G to A substitution at nucleotide position 783, causing the methionine (M) at amino acid position 261 to be replaced by an isoleucine (I). 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	Pathogenic	0.77
BayesDel_addAF	Benign	-0.17	T
BayesDel_noAF	Benign	-0.18
CADD	Pathogenic	27
DANN	Uncertain	0.99
DEOGEN2	Uncertain	0.53	.;D;.
Eigen	Uncertain	0.24
Eigen_PC	Uncertain	0.36
FATHMM_MKL	Benign	0.64	D
LIST_S2	Benign	0.42	T;D;D
M_CAP	Benign	0.060	D
MetaRNN	Benign	0.32	T;T;T
MetaSVM	Uncertain	-0.28	T
MutationAssessor	Benign	1.2	.;L;L
PhyloP100		2.9
PrimateAI	Uncertain	0.62	T
PROVEAN	Uncertain	-2.5	.;N;D
REVEL	Uncertain	0.39
Sift	Benign	0.21	.;T;T
Sift4G	Uncertain	0.012	D;T;T
Polyphen		0.58	.;P;.
Vest4		0.63, 0.64
MutPred		0.63		.;Loss of sheet (P = 0.1158);Loss of sheet (P = 0.1158);
MVP		0.53
MPC		0.62
ClinPred		0.12	T
GERP RS		5.8
PromoterAI		-0.045	Neutral
Varity_R		0.31
gMVP		0.86
Mutation Taster		=48/52	disease causing

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.060		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

Other links and lift over

dbSNP: rs761183980; hg19: chr19-6454346;