2-171360484-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001321154.2(METTL8):ā€‹c.173A>Cā€‹(p.Glu58Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000103 in 1,613,630 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.00011 ( 0 hom., cov: 32)
Exomes š‘“: 0.00010 ( 1 hom. )

Consequence

METTL8
NM_001321154.2 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0880
Variant links:
Genes affected
METTL8 (HGNC:25856): (methyltransferase 8, tRNA N3-cytidine) Enables mRNA methyltransferase activity. Involved in mRNA methylation. Predicted to be located in cytoplasm and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.09626731).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
METTL8NM_001321154.2 linkuse as main transcriptc.173A>C p.Glu58Ala missense_variant 3/10 ENST00000375258.9 NP_001308083.1 Q9H825B3KW44

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
METTL8ENST00000375258.9 linkuse as main transcriptc.173A>C p.Glu58Ala missense_variant 3/105 NM_001321154.2 ENSP00000364407.4 B3KW44

Frequencies

GnomAD3 genomes
AF:
0.000105
AC:
16
AN:
152182
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000193
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000597
AC:
15
AN:
251104
Hom.:
0
AF XY:
0.0000368
AC XY:
5
AN XY:
135708
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.000116
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:
0.0000792
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000103
AC:
150
AN:
1461330
Hom.:
1
Cov.:
32
AF XY:
0.0000922
AC XY:
67
AN XY:
726964
show subpopulations
Gnomad4 AFR exome
AF:
0.0000896
Gnomad4 AMR exome
AF:
0.0000895
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000115
Gnomad4 OTH exome
AF:
0.0000994
GnomAD4 genome
AF:
0.000105
AC:
16
AN:
152300
Hom.:
0
Cov.:
32
AF XY:
0.0000806
AC XY:
6
AN XY:
74476
show subpopulations
Gnomad4 AFR
AF:
0.000193
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000135
Hom.:
0
Bravo
AF:
0.0000793
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000741
AC:
9
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

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 submitterclinical testingAmbry GeneticsApr 13, 2022The c.173A>C (p.E58A) alteration is located in exon 3 (coding exon 2) of the METTL8 gene. This alteration results from a A to C substitution at nucleotide position 173, causing the glutamic acid (E) at amino acid position 58 to be replaced by an alanine (A). 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
0.082
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
7.1
DANN
Benign
0.67
DEOGEN2
Benign
0.073
.;T;.;T;T;T;T;T
Eigen
Benign
-0.92
Eigen_PC
Benign
-0.87
FATHMM_MKL
Benign
0.49
N
LIST_S2
Benign
0.42
T;T;T;T;T;T;T;T
M_CAP
Benign
0.0058
T
MetaRNN
Benign
0.096
T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Uncertain
2.1
.;.;.;M;.;.;.;.
MutationTaster
Benign
0.63
D
PrimateAI
Benign
0.36
T
PROVEAN
Uncertain
-3.2
.;D;.;.;D;D;D;D
REVEL
Benign
0.089
Sift
Benign
0.27
.;T;.;.;T;T;T;T
Sift4G
Benign
0.14
T;T;.;.;.;D;D;D
Polyphen
0.31
B;.;.;B;.;.;.;.
Vest4
0.26
MVP
0.10
MPC
0.093
ClinPred
0.17
T
GERP RS
-0.30
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.11
gMVP
0.46

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
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.

Other links and lift over

dbSNP: rs370506078; hg19: chr2-172216994; API