rs1748638421

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_031438.4(NUDT12):c.1303A>G(p.Lys435Glu) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,104 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

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

Consequence

NUDT12
NM_031438.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.75

Publications

0 publications found

Variant links:

Genes affected

NUDT12 (HGNC:18826): (nudix hydrolase 12) Nucleotides are involved in numerous biochemical reactions and pathways within the cell as substrates, cofactors, and effectors. Nudix hydrolases, such as NUDT12, regulate the concentrations of individual nucleotides and of nucleotide ratios in response to changing circumstances (Abdelraheim et al., 2003 [PubMed 12790796]).[supplied by OMIM, Mar 2008]

NUDT12 links:

ENSG00000295164 (HGNC:):

ENSG00000295164 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.11185107).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NUDT12	NM_031438.4 link	c.1303A>G	p.Lys435Glu	missense_variant	Exon 7 of 7	ENST00000230792.7	NP_113626.1	Q9BQG2-1
NUDT12	NM_001300741.2 link	c.1249A>G	p.Lys417Glu	missense_variant	Exon 7 of 7		NP_001287670.1	Q9BQG2-2
NUDT12	XM_005272095.2 link	c.1303A>G	p.Lys435Glu	missense_variant	Exon 7 of 7		XP_005272152.1	Q9BQG2-1
NUDT12	XM_005272097.4 link	c.1249A>G	p.Lys417Glu	missense_variant	Exon 7 of 7		XP_005272154.1	Q9BQG2-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
NUDT12	ENST00000230792.7 link	c.1303A>G	p.Lys435Glu	missense_variant	Exon 7 of 7	1	NM_031438.4	ENSP00000230792.2	Q9BQG2-1
NUDT12	ENST00000507423.1 link	c.1249A>G	p.Lys417Glu	missense_variant	Exon 7 of 7	2		ENSP00000424521.1	Q9BQG2-2
ENSG00000295164	ENST00000728393.1 link	n.93-1452T>C		intron_variant	Intron 1 of 1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152104

Hom.:

Cov.:

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152104

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74292

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000241

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15246

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10600

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68020

Other (OTH)

AF:

0.00

AC:

AN:

2090

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 21, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.1303A>G (p.K435E) alteration is located in exon 7 (coding exon 6) of the NUDT12 gene. This alteration results from a A to G substitution at nucleotide position 1303, causing the lysine (K) at amino acid position 435 to be replaced by a glutamic acid (E). 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

0.080

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.54

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.018

T;.

Eigen

Benign

-0.18

Eigen_PC

Benign

0.040

FATHMM_MKL

Uncertain

0.86

LIST_S2

Benign

0.80

T;T

M_CAP

Benign

0.0095

MetaRNN

Benign

0.11

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.20

N;.

PhyloP100

3.8

PrimateAI

Benign

0.39

PROVEAN

Benign

0.020

N;N

REVEL

Benign

0.086

Sift

Benign

0.36

T;T

Sift4G

Benign

0.93

T;T

Polyphen

0.0050

B;P

Vest4

0.17

MutPred

0.39

Loss of ubiquitination at K435 (P = 0.027);.;

MVP

0.45

MPC

0.039

ClinPred

0.66

GERP RS

5.7

Varity_R

0.17

gMVP

0.43

Mutation Taster

=70/30

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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rs1748638421

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over