Variant chr2-207613158-T-C details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_001127395.5(METTL21A):c.545A>G(p.Asn182Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000162 in 1,614,024 control chromosomes in the GnomAD database, including 8 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00034 ( 3 hom., cov: 34)

Exomes 𝑓: 0.00014 ( 5 hom. )

Consequence

METTL21A
NM_001127395.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.43

Variant links:

Genes affected

METTL21A (HGNC:30476): (methyltransferase 21A, HSPA lysine) Enables ATPase binding activity; Hsp70 protein binding activity; and protein-lysine N-methyltransferase activity. Involved in peptidyl-lysine methylation. Part of protein-containing complex. [provided by Alliance of Genome Resources, Apr 2022]

METTL21A links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.017967254).

BS2

High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
METTL21A	NM_001127395.5 linkuse as main transcript	c.545A>G	p.Asn182Ser	missense_variant	4/4	ENST00000411432.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
METTL21A	ENST00000411432.6 linkuse as main transcript	c.545A>G	p.Asn182Ser	missense_variant	4/4	2	NM_001127395.5	P1	Q8WXB1-1

Frequencies

GnomAD3 genomes

AF:

0.000335

AC:

AN:

152204

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000651

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000982

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00135

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.000958

GnomAD3 exomes

AF:

0.000207

AC:

AN:

251228

Hom.:

AF XY:

0.000169

AC XY:

AN XY:

135768

show subpopulations

Gnomad AFR exome

AF:

0.000431

Gnomad AMR exome

AF:

0.0000869

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00201

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000652

GnomAD4 exome

AF:

0.000144

AC:

210

AN:

1461702

Hom.:

Cov.:

AF XY:

0.000113

AC XY:

AN XY:

727132

show subpopulations

Gnomad4 AFR exome

AF:

0.000299

Gnomad4 AMR exome

AF:

0.0000895

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000932

Gnomad4 SAS exome

AF:

0.0000232

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000450

Gnomad4 OTH exome

AF:

0.00252

GnomAD4 genome

AF:

0.000341

AC:

AN:

152322

Hom.:

Cov.:

AF XY:

0.000336

AC XY:

AN XY:

74464

show subpopulations

Gnomad4 AFR

AF:

0.000650

Gnomad4 AMR

AF:

0.000981

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00135

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00142

Alfa

AF:

0.000325

Hom.:

Bravo

AF:

0.000427

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000272

AC:

Asia WGS

AF:

0.00953

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

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

May 29, 2024

The c.545A>G (p.N182S) alteration is located in exon 4 (coding exon 3) of the METTL21A gene. This alteration results from a A to G substitution at nucleotide position 545, causing the asparagine (N) at amino acid position 182 to be replaced by a serine (S). 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

Benign

0.10

BayesDel_addAF

Benign

-0.65

BayesDel_noAF

Benign

-0.72

CADD

Benign

DANN

Benign

0.73

DEOGEN2

Benign

0.014

T;T;T;T;T;T

Eigen

Benign

-0.47

Eigen_PC

Benign

-0.29

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.86

D;.;D;.;.;.

M_CAP

Benign

0.0028

MetaRNN

Benign

0.018

T;T;T;T;T;T

MetaSVM

Benign

-0.98

MutationAssessor

Benign

0.17

N;N;.;N;N;N

MutationTaster

Benign

1.0

D;D;D;D;N;N;N;N;N;N

PrimateAI

Benign

0.31

PROVEAN

Benign

-0.98

N;N;N;N;N;N

REVEL

Benign

0.034

Sift

Benign

0.77

T;T;T;T;T;T

Sift4G

Benign

0.69

T;T;T;T;T;T

Polyphen

0.0010

B;B;.;B;B;B

Vest4

0.044

MVP

0.17

MPC

0.17

ClinPred

0.00087

GERP RS

2.9

Varity_R

0.064

gMVP

0.38

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