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GeneBe

3-53228090-G-C

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 2P and 12B. PM2BP4_StrongBP6_Very_Strong

The NM_001064.4(TKT):c.1539C>G(p.His513Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00007 in 1,613,446 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000063 ( 0 hom. )

Consequence

TKT
NM_001064.4 missense

Scores

3
6
9

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -1.09
Variant links:
Genes affected
TKT (HGNC:11834): (transketolase) This gene encodes a thiamine-dependent enzyme which plays a role in the channeling of excess sugar phosphates to glycolysis in the pentose phosphate pathway. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Apr 2012]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.018780202).
BP6
Variant 3-53228090-G-C is Benign according to our data. Variant chr3-53228090-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 773673.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TKTNM_001064.4 linkuse as main transcriptc.1539C>G p.His513Gln missense_variant 12/14 ENST00000462138.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TKTENST00000462138.6 linkuse as main transcriptc.1539C>G p.His513Gln missense_variant 12/141 NM_001064.4 P3P29401-1

Frequencies

GnomAD3 genomes
AF:
0.000138
AC:
21
AN:
152220
Hom.:
0
Cov.:
33
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:
0.00289
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000263
AC:
66
AN:
251358
Hom.:
0
AF XY:
0.000228
AC XY:
31
AN XY:
135852
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00315
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000630
AC:
92
AN:
1461108
Hom.:
0
Cov.:
32
AF XY:
0.0000550
AC XY:
40
AN XY:
726870
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00149
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.000150
Gnomad4 NFE exome
AF:
0.0000144
Gnomad4 OTH exome
AF:
0.0000829
GnomAD4 genome
AF:
0.000138
AC:
21
AN:
152338
Hom.:
0
Cov.:
33
AF XY:
0.000121
AC XY:
9
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00290
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000188
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.0000237
Hom.:
0
Bravo
AF:
0.000117
ExAC
AF:
0.000280
AC:
34
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

TKT-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesJun 08, 2023This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeMar 31, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.34
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Uncertain
0.070
Cadd
Benign
0.47
Dann
Benign
0.97
DEOGEN2
Pathogenic
0.82
D;D;.;T
Eigen
Benign
-0.98
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.42
N
M_CAP
Benign
0.073
D
MetaRNN
Benign
0.019
T;T;T;T
MetaSVM
Pathogenic
0.89
D
MutationAssessor
Benign
1.8
L;L;.;.
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.76
T
PROVEAN
Pathogenic
-5.3
D;D;D;.
REVEL
Uncertain
0.57
Sift
Uncertain
0.0090
D;D;D;.
Sift4G
Uncertain
0.017
D;D;D;T
Polyphen
0.98
D;D;.;.
Vest4
0.57
MutPred
0.74
Loss of helix (P = 0.1299);Loss of helix (P = 0.1299);.;.;
MVP
0.66
MPC
0.64
ClinPred
0.24
T
GERP RS
-11
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.81
gMVP
0.84

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.

Other links and lift over

dbSNP: rs200391494; hg19: chr3-53262106; API