3-42091502-C-G

Variant summary

Our verdict is Benign. Variant got -11 ACMG points: 2P and 13B. PM2 BP4_Strong BP6_Very_Strong BP7

The NM_001042646.3(TRAK1):c.33C>G(p.Val11=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000159 in 1,613,552 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

• Frequency:
  • Genomes: 𝑓 0.00071 (0 hom., cov: 32)
  • Exomes 𝑓: 0.00010 (1 hom.)
• Consequence: TRAK1 NM_001042646.3 synonymous
• Clinical Significance: Likely benign criteria provided, multiple submitters, no conflicts B:2
• Conservation: PhyloP100: -2.38

Genes affected

TRAK1 (HGNC:29947): (trafficking kinesin protein 1) Predicted to enable GABA receptor binding activity and myosin binding activity. Involved in endosome to lysosome transport. Located in early endosome and mitochondrion. Implicated in developmental and epileptic encephalopathy 68. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -11 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.79).
• BP6: Variant 3-42091502-C-G is Benign according to our data. Variant chr3-42091502-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 734589.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
• BP7: Synonymous conserved (PhyloP=-2.38 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TRAK1	NM_001042646.3	c.33C>G	p.Val11=	synonymous_variant	1/16	ENST00000327628.10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TRAK1	ENST00000327628.10	c.33C>G	p.Val11=	synonymous_variant	1/16	1	NM_001042646.3	P1

Frequencies

GnomAD3 genomes AF: 0.000677 AC: 103 AN: 152196 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00239

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: 0.0000147

Gnomad OTH AF: 0.000478

GnomAD3 exomes AF: 0.000157 AC: 39 AN: 248426 Hom.: 0 AF XY: 0.000178 AC XY: 24 AN XY: 134880

Gnomad AFR exome AF: 0.00201

Gnomad AMR exome AF: 0.000117

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.0000328

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000885

Gnomad OTH exome AF: 0.000332

GnomAD4 exome AF: 0.000101 AC: 148 AN: 1461238 Hom.: 1 Cov.: 30 AF XY: 0.000100 AC XY: 73 AN XY: 726962

Gnomad4 AFR exome AF: 0.00341

Gnomad4 AMR exome AF: 0.000112

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000450

Gnomad4 OTH exome AF: 0.000315

GnomAD4 genome AF: 0.000709 AC: 108 AN: 152314 Hom.: 0 Cov.: 32 AF XY: 0.000779 AC XY: 58 AN XY: 74500

Gnomad4 AFR AF: 0.00250

Gnomad4 AMR AF: 0.000131

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000147

Gnomad4 OTH AF: 0.000473

Alfa AF: 0.000420 Hom.: 0

Bravo AF: 0.000782

Asia WGS AF: 0.00144 AC: 5 AN: 3478

EpiCase AF: 0.0000545

EpiControl AF: 0.00

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

TRAK1-related disorder Benign:1

Likely benign, criteria provided, single submitter

clinical testing

PreventionGenetics, part of Exact Sciences

May 31, 2022

This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Invitae

Aug 10, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.79
Cadd	Benign	0.083
Dann	Benign	0.83

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

LitVar

Other links and lift over

dbSNP: rs201790561; hg19: chr3-42132994;