3-15426419-A-G

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_152396.4(METTL6):c.93T>C(p.Asp31=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000153 in 1,614,242 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 Likely benign (★).

• Frequency:
  • Genomes: 𝑓 0.00018 (0 hom., cov: 33)
  • Exomes 𝑓: 0.00015 (0 hom.)
• Consequence: METTL6 NM_152396.4 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.0940

Genes affected

METTL6 (HGNC:28343): (methyltransferase 6, tRNA N3-cytidine) Enables enzyme binding activity. Involved in tRNA methylation. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.6).
• BP6: Variant 3-15426419-A-G is Benign according to our data. Variant chr3-15426419-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 2653596.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.094 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
METTL6	NM_152396.4	c.93T>C	p.Asp31=	synonymous_variant	2/6	ENST00000383790.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
METTL6	ENST00000383790.8	c.93T>C	p.Asp31=	synonymous_variant	2/6	1	NM_152396.4	P1

Frequencies

GnomAD3 genomes AF: 0.000177 AC: 27 AN: 152236 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.000193

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000458

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00316

Gnomad NFE AF: 0.000132

Gnomad OTH AF: 0.000955

GnomAD3 exomes AF: 0.000156 AC: 39 AN: 249576 Hom.: 0 AF XY: 0.000133 AC XY: 18 AN XY: 135406

Gnomad AFR exome AF: 0.000323

Gnomad AMR exome AF: 0.000405

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000177

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.000150 AC: 220 AN: 1461888 Hom.: 0 Cov.: 31 AF XY: 0.000151 AC XY: 110 AN XY: 727242

Gnomad4 AFR exome AF: 0.000508

Gnomad4 AMR exome AF: 0.000402

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: 0.000149

Gnomad4 OTH exome AF: 0.000166

GnomAD4 genome AF: 0.000177 AC: 27 AN: 152354 Hom.: 0 Cov.: 33 AF XY: 0.000201 AC XY: 15 AN XY: 74508

Gnomad4 AFR AF: 0.000192

Gnomad4 AMR AF: 0.000458

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000132

Gnomad4 OTH AF: 0.000945

Alfa AF: 0.000181 Hom.: 0

Bravo AF: 0.000219

Asia WGS AF: 0.000289 AC: 1 AN: 3478

EpiCase AF: 0.000327

EpiControl AF: 0.000237

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Oct 01, 2023

METTL6: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.60
Cadd	Benign	8.0
Dann	Benign	0.69

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: rs373785631; hg19: chr3-15467926;