Variant 1-170167731-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The ENST00000439373.3(NTMT2):c.826G>A(p.Ala276Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000329 in 1,550,962 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A276P) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

NTMT2
ENST00000439373.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.77

Variant links:

Genes affected

NTMT2 (HGNC:31932): (N-terminal Xaa-Pro-Lys N-methyltransferase 2) Enables N-terminal protein N-methyltransferase activity. Involved in N-terminal protein amino acid methylation. Located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

NTMT2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.976

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein
NTMT2	NM_001136107.2 linkuse as main transcript	c.826G>A	p.Ala276Thr	missense_variant	4/4	ENST00000439373.3	NP_001129579.1
NTMT2	XM_011509232.3 linkuse as main transcript	c.631G>A	p.Ala211Thr	missense_variant	5/5		XP_011507534.1
NTMT2	XM_011509233.3 linkuse as main transcript	c.631G>A	p.Ala211Thr	missense_variant	6/6		XP_011507535.1
NTMT2	XM_011509234.3 linkuse as main transcript	c.631G>A	p.Ala211Thr	missense_variant	5/5		XP_011507536.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
NTMT2	ENST00000439373.3 linkuse as main transcript	c.826G>A	p.Ala276Thr	missense_variant	4/4	1	NM_001136107.2	ENSP00000408058	P1

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

152058

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:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000325

AC:

AN:

154020

Hom.:

AF XY:

0.0000612

AC XY:

AN XY:

81664

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000176

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000169

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000350

AC:

AN:

1398904

Hom.:

Cov.:

AF XY:

0.0000435

AC XY:

AN XY:

689940

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000215

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000297

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000132

AC:

AN:

152058

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74284

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000284

Hom.:

Bravo

AF:

0.0000113

ExAC

AF:

0.0000789

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 26, 2023

The c.826G>A (p.A276T) alteration is located in exon 4 (coding exon 4) of the METTL11B gene. This alteration results from a G to A substitution at nucleotide position 826, causing the alanine (A) at amino acid position 276 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.47

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.13

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.18

Eigen

Uncertain

0.42

Eigen_PC

Uncertain

0.24

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.74

M_CAP

Benign

0.046

MetaRNN

Pathogenic

0.98

MetaSVM

Benign

-0.41

MutationAssessor

Pathogenic

3.5

MutationTaster

Benign

1.0

PrimateAI

Benign

0.38

PROVEAN

Uncertain

-3.4

REVEL

Uncertain

0.47

Sift

Uncertain

0.010

Sift4G

Uncertain

0.0030

Polyphen

1.0

Vest4

0.94

MutPred

0.86

Loss of catalytic residue at A276 (P = 0.0577);

MVP

0.092

ClinPred

0.93

GERP RS

4.5

Varity_R

0.88

gMVP

0.95

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over