dbSNP rs191332512: SLC25A46:p.Ala18Thr (chr5-110739171-G-A) – 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_138773.4(SLC25A46):c.52G>A(p.Ala18Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000774 in 1,550,530 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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. A18S) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000079 ( 0 hom. )

Consequence

SLC25A46
NM_138773.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.843

Publications

1 publications found

Variant links:

Genes affected

SLC25A46 (HGNC:25198): (solute carrier family 25 member 46) This gene encodes a mitochondrial solute carrier protein family member. It functions in promoting mitochondrial fission, and prevents the formation of hyperfilamentous mitochondria. Mutation of this gene results in neuropathy and optic atrophy. [provided by RefSeq, Aug 2016]

SLC25A46 links:

TMEM232 (HGNC:37270): (transmembrane protein 232) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

TMEM232 links:

Genome browser will be placed here

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=0.10624927).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC25A46	NM_138773.4 link	c.52G>A	p.Ala18Thr	missense_variant	Exon 1 of 8	ENST00000355943.8	NP_620128.1	Q96AG3-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SLC25A46	ENST00000355943.8 link	c.52G>A	p.Ala18Thr	missense_variant	Exon 1 of 8	1	NM_138773.4	ENSP00000348211.3		Q96AG3-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000787

AC:

AN:

1398296

Hom.:

Cov.:

AF XY:

0.00000870

AC XY:

AN XY:

689794

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31650

American (AMR)

AF:

0.00

AC:

AN:

35730

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25162

East Asian (EAS)

AF:

0.00

AC:

AN:

35834

South Asian (SAS)

AF:

0.00

AC:

AN:

79238

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48100

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5442

European-Non Finnish (NFE)

AF:

0.0000102

AC:

AN:

1079164

Other (OTH)

AF:

0.00

AC:

AN:

57976

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.452

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152234

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41466

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68038

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.077

BayesDel_addAF

Benign

-0.054

BayesDel_noAF

Benign

-0.32

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0054

T;.

Eigen

Benign

-0.52

Eigen_PC

Benign

-0.34

FATHMM_MKL

Benign

0.41

LIST_S2

Benign

0.63

T;T

M_CAP

Uncertain

0.28

MetaRNN

Benign

0.11

T;T

MetaSVM

Benign

-0.76

MutationAssessor

Benign

1.2

L;L

PhyloP100

0.84

PrimateAI

Uncertain

0.73

PROVEAN

Benign

-0.36

N;N

REVEL

Benign

0.18

Sift

Benign

0.21

T;T

Sift4G

Benign

0.21

T;T

Polyphen

0.012

B;.

Vest4

0.12

MutPred

0.14

Gain of phosphorylation at A18 (P = 0.0056);Gain of phosphorylation at A18 (P = 0.0056);

MVP

0.60

MPC

0.056

ClinPred

0.52

GERP RS

4.0

PromoterAI

-0.024

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.6

Varity_R

0.11

gMVP

0.16

Mutation Taster

=90/10

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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rs191332512

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over