chr4-185146939-G-A

Variant names:

• chr4-185146939-G-A
• rs104893874
• NM_001151.4:c.865G>A

Variant summary

Our verdict is Likely pathogenic. The variant received 8 ACMG points: 8P and 0B. PM1 PM2 PP2 PP3_Moderate PP5

The NM_001151.4(SLC25A4):​c.865G>A​(p.Val289Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Synonymous variant affecting the same amino acid position (i.e. V289V) has been classified as Likely benign.

• Frequency: Genomes: not found (cov: 32)
• Consequence: SLC25A4 NM_001151.4 missense
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 9.99
• Publications: 17 publications found

Genes affected

SLC25A4 (HGNC:10990): (solute carrier family 25 member 4) This gene is a member of the mitochondrial carrier subfamily of solute carrier protein genes. The product of this gene functions as a gated pore that translocates ADP from the cytoplasm into the mitochondrial matrix and ATP from the mitochondrial matrix into the cytoplasm. The protein forms a homodimer embedded in the inner mitochondria membrane. Mutations in this gene have been shown to result in autosomal dominant progressive external opthalmoplegia and familial hypertrophic cardiomyopathy. [provided by RefSeq, Jun 2013]

SLC25A4 Gene-Disease associations (from GenCC):

• mitochondrial disease

  Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
• mitochondrial DNA depletion syndrome 12B (cardiomyopathic type), autosomal recessive

  Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Ambry Genetics, ClinGen, Labcorp Genetics (formerly Invitae)
• Fontaine progeroid syndrome

  Inheritance: AD Classification: STRONG Submitted by: G2P
• mitochondrial DNA depletion syndrome 12A (cardiomyopathic type), autosomal dominant

  Inheritance: AD Classification: STRONG, MODERATE Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae)
• progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 2

  Inheritance: AD Classification: STRONG, MODERATE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
• autosomal dominant progressive external ophthalmoplegia

  Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
• Sengers syndrome

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
• Leigh syndrome

  Inheritance: AD Classification: LIMITED Submitted by: ClinGen

ACMG classification

Our verdict: Likely_pathogenic. The variant received 8 ACMG points.

• PM1: In a repeat Solcar 3 (size 85) in uniprot entity ADT1_HUMAN there are 4 pathogenic changes around while only 0 benign (100%) in NM_001151.4
• PM2: Very rare variant in population databases, with high coverage
• PP2: Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 11 curated pathogenic missense variants (we use a threshold of 10). The gene has 3 curated benign missense variants. Gene score misZ: 1.8742 (below the threshold of 3.09). Trascript score misZ: 2.2652 (below the threshold of 3.09). GenCC associations: The gene is linked to mitochondrial DNA depletion syndrome 12A (cardiomyopathic type), autosomal dominant, mitochondrial disease, progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 2, mitochondrial DNA depletion syndrome 12B (cardiomyopathic type), autosomal recessive, Fontaine progeroid syndrome, Leigh syndrome, Sengers syndrome, autosomal dominant progressive external ophthalmoplegia.
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.912
• PP5: Variant 4-185146939-G-A is Pathogenic according to our data. Variant chr4-185146939-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 18246.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001151.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC25A4	NM_001151.4	MANE Select	c.865G>A	p.Val289Met	missense	Exon 4 of 4	NP_001142.2

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC25A4	ENST00000281456.11	TSL:1 MANE Select	c.865G>A	p.Val289Met	missense	Exon 4 of 4	ENSP00000281456.5
	SLC25A4	ENST00000491736.1	TSL:5	n.*642G>A		non_coding_transcript_exon	Exon 4 of 4	ENSP00000476711.1
	SLC25A4	ENST00000491736.1	TSL:5	n.*642G>A		3_prime_UTR	Exon 4 of 4	ENSP00000476711.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Progressive external ophthalmoplegia with mitochondrial DNA deletions, autosomal dominant 2 Pathogenic:1

Apr 01, 1996

OMIM

Significance: Pathogenic

Review Status: no assertion criteria provided

Collection Method: literature only

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.98
BayesDel_addAF	Pathogenic	0.41	D
BayesDel_noAF	Pathogenic	0.35
CADD	Pathogenic	26
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.50	T
Eigen	Pathogenic	0.86
Eigen_PC	Pathogenic	0.84
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.99	D
M_CAP	Uncertain	0.16	D
MetaRNN	Pathogenic	0.91	D
MetaSVM	Uncertain	0.45	D
MutationAssessor	Uncertain	2.6	M
PhyloP100		10
PrimateAI	Pathogenic	0.89	D
PROVEAN	Benign	-1.9	N
REVEL	Pathogenic	0.83
Sift	Uncertain	0.0010	D
Sift4G	Uncertain	0.0070	D
Polyphen		0.87	P
Vest4		0.64
MutPred		0.88		Loss of sheet (P = 0.1158)
MVP		0.86
MPC		1.7
ClinPred		0.94	D
GERP RS		5.3
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.79
gMVP		0.92
Mutation Taster		=13/87	disease causing (ClinVar)

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: rs104893874; hg19: chr4-186068093;