rs201341297

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001136107.2(NTMT2):​c.323T>A​(p.Phe108Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.00000658 in 152,068 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. F108S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

NTMT2
NM_001136107.2 missense

Scores

1
7
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.57

Publications

1 publications found
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]

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.789

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001136107.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NTMT2
NM_001136107.2
MANE Select
c.323T>Ap.Phe108Tyr
missense
Exon 2 of 4NP_001129579.1Q5VVY1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
NTMT2
ENST00000439373.3
TSL:1 MANE Select
c.323T>Ap.Phe108Tyr
missense
Exon 2 of 4ENSP00000408058.3Q5VVY1
NTMT2
ENST00000962802.1
c.323T>Ap.Phe108Tyr
missense
Exon 2 of 4ENSP00000632861.1
NTMT2
ENST00000367764.3
TSL:5
n.318T>A
non_coding_transcript_exon
Exon 2 of 5

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152068
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
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
GnomAD4 exome
Cov.:
31
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152068
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74272
show subpopulations
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.0000242
AC:
1
AN:
41396
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10600
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67990
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.375
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.18
BayesDel_addAF
Benign
-0.023
T
BayesDel_noAF
Benign
-0.27
CADD
Uncertain
24
DANN
Uncertain
0.99
DEOGEN2
Benign
0.013
T
Eigen
Uncertain
0.38
Eigen_PC
Uncertain
0.32
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.63
T
M_CAP
Benign
0.0087
T
MetaRNN
Pathogenic
0.79
D
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.1
M
PhyloP100
5.6
PrimateAI
Uncertain
0.65
T
PROVEAN
Benign
-2.1
N
REVEL
Benign
0.19
Sift
Benign
0.062
T
Sift4G
Uncertain
0.028
D
Polyphen
0.97
D
Vest4
0.73
MutPred
0.69
Loss of methylation at K107 (P = 0.0284)
MVP
0.088
ClinPred
0.95
D
GERP RS
3.4
Varity_R
0.75
gMVP
0.61
Mutation Taster
=66/34
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs201341297; hg19: chr1-170129827; API