5-135842435-T-G

Variant names:

• chr5-135842435-T-G
• rs2304075
• NM_001349336.2:c.66T>G
• SLC25A48 p.Val22Val

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_001349336.2(SLC25A48):​c.66T>G​(p.Val22Val) variant causes a synonymous 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: 32)
• Consequence: SLC25A48 NM_001349336.2 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -2.66
• Publications: 18 publications found

Genes affected

SLC25A48 (HGNC:30451): (solute carrier family 25 member 48) Predicted to enable acyl carnitine transmembrane transporter activity. Predicted to be involved in acyl carnitine transport and amino acid transport. Predicted to be located in mitochondrial inner membrane. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.73).
• BP7: Synonymous conserved (PhyloP=-2.66 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001349336.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC25A48	NM_001349336.2	MANE Select	c.66T>G	p.Val22Val	synonymous	Exon 2 of 8	NP_001336265.1	Q6ZT89-1
	SLC25A48	NM_145282.5		c.66T>G	p.Val22Val	synonymous	Exon 2 of 5	NP_660325.4	Q6ZT89-3
	SLC25A48	NM_001349335.2		c.-97T>G		5_prime_UTR	Exon 5 of 11	NP_001336264.1	J3KQI1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC25A48	ENST00000681962.1	MANE Select	c.66T>G	p.Val22Val	synonymous	Exon 2 of 8	ENSP00000506858.1	Q6ZT89-1
	SLC25A48	ENST00000412661.3	TSL:1	c.66T>G	p.Val22Val	synonymous	Exon 2 of 5	ENSP00000413049.2	Q6ZT89-3
	SLC25A48	ENST00000650267.1		c.66T>G	p.Val22Val	synonymous	Exon 2 of 9	ENSP00000497060.1	A0A3B3IS12

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 48

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.17
BayesDel_noAF	Benign	-0.73
CADD	Benign	0.50
DANN	Benign	0.57
PhyloP100		-2.7

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

dbSNP: rs2304075;

hg19: chr5-135178124;