Genetic Variant METTL13:p.Leu124Leu (chr1-171783958-G-C) – ACMG Classification: Benign (-10 pts)

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6BP7BS2

The NM_015935.5(METTL13):c.372G>C(p.Leu124Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000136 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 (no stars).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

METTL13
NM_015935.5 synonymous

Scores

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 3.13

Publications

0 publications found

Variant links:

Genes affected

METTL13 (HGNC:24248): (methyltransferase 13, eEF1A N-terminus and K55) Predicted to enable methyltransferase activity. Involved in negative regulation of cell cycle G1/S phase transition and negative regulation of transcription by RNA polymerase II. Predicted to be located in mitochondrion and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

METTL13 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.47).

BP6

Variant 1-171783958-G-C is Benign according to our data. Variant chr1-171783958-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 3035848.Status of the report is no_assertion_criteria_provided, 0 stars.

BP7

Synonymous conserved (PhyloP=3.13 with no splicing effect.

BS2

High AC in GnomAdExome4 at 19 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
METTL13	NM_015935.5 link	c.372G>C	p.Leu124Leu	synonymous_variant	Exon 2 of 8	ENST00000361735.4	NP_057019.3	Q8N6R0-5C4B4C6
METTL13	NM_014955.3 link	c.114G>C	p.Leu38Leu	synonymous_variant	Exon 2 of 8		NP_055770.1	Q8N6R0-3
METTL13	NM_001007239.2 link	c.372G>C	p.Leu124Leu	synonymous_variant	Exon 2 of 8		NP_001007240.1	Q8N6R0-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
METTL13	ENST00000361735.4 link	c.372G>C	p.Leu124Leu	synonymous_variant	Exon 2 of 8	1	NM_015935.5	ENSP00000354920.3	Q8N6R0-5
METTL13	ENST00000367737.9 link	c.372G>C	p.Leu124Leu	synonymous_variant	Exon 2 of 8	1		ENSP00000356711.5	Q8N6R0-1
METTL13	ENST00000362019.7 link	c.114G>C	p.Leu38Leu	synonymous_variant	Exon 2 of 8	2		ENSP00000355393.3	Q8N6R0-3
METTL13	ENST00000485629.1 link	n.484G>C		non_coding_transcript_exon_variant	Exon 3 of 4	5

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152230

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:

0.000577

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000358

AC:

AN:

251478

AF XY:

0.0000441

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000489

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000130

AC:

AN:

1461894

Hom.:

Cov.:

AF XY:

0.0000110

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.000403

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.472

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152348

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74498

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41578

American (AMR)

AF:

0.00

AC:

AN:

15308

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.000578

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.458

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

Significance: Likely benign

Submissions summary: Benign:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

METTL13-related disorder

Benign:1

Jul 30, 2019

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

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). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.47

CADD

Benign

9.8

(source)

DANN

Benign

0.74

PhyloP100

3.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

Mutation Taster

=94/6

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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1-171783958-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over