Genetic Variant NM_025264.5:c.1306C>A (chr2-39736941-G-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_025264.5(THUMPD2):c.1306C>A(p.Pro436Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000013 in 1,461,864 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P436S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

THUMPD2
NM_025264.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.451

Publications

0 publications found

Variant links:

Genes affected

THUMPD2 (HGNC:14890): (THUMP domain containing 2) Predicted to enable tRNA (guanine) methyltransferase activity. Predicted to be involved in tRNA methylation. [provided by Alliance of Genome Resources, Apr 2022]

THUMPD2 links:

LOC124905994 (HGNC:):

LOC124905994 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.0335384).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_025264.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
THUMPD2	NM_025264.5	MANE Select	c.1306C>A	p.Pro436Thr	missense	Exon 10 of 10	NP_079540.2	Q9BTF0-1
THUMPD2	NM_001321469.1		c.1027C>A	p.Pro343Thr	missense	Exon 10 of 10	NP_001308398.1
THUMPD2	NM_001321470.1		c.979C>A	p.Pro327Thr	missense	Exon 10 of 10	NP_001308399.1	B4DP37

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
THUMPD2	ENST00000505747.6	TSL:1 MANE Select	c.1306C>A	p.Pro436Thr	missense	Exon 10 of 10	ENSP00000423933.1	Q9BTF0-1
THUMPD2	ENST00000378727.8	TSL:1	n.*515C>A		non_coding_transcript_exon	Exon 11 of 11	ENSP00000368001.4	Q9BTF0-2
THUMPD2	ENST00000460072.5	TSL:1	n.2267C>A		non_coding_transcript_exon	Exon 8 of 8

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000796

AC:

AN:

251352

AF XY:

0.0000147

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000130

AC:

AN:

1461864

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

727226

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.000347

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000126

AC:

AN:

1111994

Other (OTH)

AF:

0.0000331

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000193

Hom.:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.0000165

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.064

BayesDel_addAF

Benign

-0.18

BayesDel_noAF

Benign

-0.48

CADD

Benign

(source)

DANN

Benign

0.77

DEOGEN2

Benign

0.012

Eigen

Benign

-0.72

Eigen_PC

Benign

-0.73

FATHMM_MKL

Benign

0.050

LIST_S2

Benign

0.58

M_CAP

Benign

0.0056

MetaRNN

Benign

0.034

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.2

PhyloP100

0.45

PrimateAI

Benign

0.24

PROVEAN

Benign

-0.86

REVEL

Benign

0.10

Sift

Benign

0.66

Sift4G

Benign

0.74

Polyphen

0.031

Vest4

0.057

MVP

0.040

MPC

0.011

ClinPred

0.041

GERP RS

0.21

Varity_R

0.032

gMVP

0.29

Mutation Taster

=97/3

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over