2-241685863-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_012145.4(DTYMK):ā€‹c.145A>Cā€‹(p.Ile49Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000279 in 1,614,026 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000026 ( 0 hom., cov: 32)
Exomes š‘“: 0.000028 ( 0 hom. )

Consequence

DTYMK
NM_012145.4 missense

Scores

1
7
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.95
Variant links:
Genes affected
DTYMK (HGNC:3061): (deoxythymidylate kinase) Enables thymidylate kinase activity. Predicted to be involved in dTDP biosynthetic process; dTTP biosynthetic process; and dUDP biosynthetic process. Predicted to act upstream of or within cellular response to growth factor stimulus and nucleotide biosynthetic process. Predicted to be located in mitochondrial intermembrane space and mitochondrial matrix. Predicted to be active in cytosol; mitochondrion; 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 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DTYMKNM_012145.4 linkuse as main transcriptc.145A>C p.Ile49Leu missense_variant 2/5 ENST00000305784.7 NP_036277.2 P23919-1Q6FGU2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DTYMKENST00000305784.7 linkuse as main transcriptc.145A>C p.Ile49Leu missense_variant 2/51 NM_012145.4 ENSP00000304802.2 P23919-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152224
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.0000294
Gnomad OTH
AF:
0.000479
GnomAD3 exomes
AF:
0.0000318
AC:
8
AN:
251450
Hom.:
0
AF XY:
0.0000368
AC XY:
5
AN XY:
135902
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000703
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000280
AC:
41
AN:
1461802
Hom.:
0
Cov.:
30
AF XY:
0.0000371
AC XY:
27
AN XY:
727196
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000360
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152224
Hom.:
0
Cov.:
32
AF XY:
0.0000538
AC XY:
4
AN XY:
74372
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.000479
Alfa
AF:
0.0000450
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000330
AC:
4
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 submitterclinical testingAmbry GeneticsFeb 28, 2024The c.145A>C (p.I49L) alteration is located in exon 2 (coding exon 2) of the DTYMK gene. This alteration results from a A to C substitution at nucleotide position 145, causing the isoleucine (I) at amino acid position 49 to be replaced by a leucine (L). 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
0.29
BayesDel_addAF
Benign
-0.19
T
BayesDel_noAF
Benign
-0.32
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.14
T
Eigen
Uncertain
0.19
Eigen_PC
Benign
0.20
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Benign
0.82
T
M_CAP
Benign
0.0071
T
MetaRNN
Uncertain
0.51
D
MetaSVM
Benign
-0.75
T
MutationAssessor
Benign
1.1
L
PrimateAI
Pathogenic
0.85
D
PROVEAN
Benign
-1.5
N
REVEL
Uncertain
0.32
Sift
Uncertain
0.012
D
Sift4G
Uncertain
0.014
D
Polyphen
0.63
P
Vest4
0.57
MutPred
0.75
Gain of disorder (P = 0.0393);
MVP
0.24
MPC
0.34
ClinPred
0.32
T
GERP RS
4.2
Varity_R
0.82
gMVP
0.72

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs766880836; hg19: chr2-242625278; API