Genetic Variant NAXD:c.46+66C>T (chr13-110615713-C-T) – ACMG Classification: Benign (-21 pts)

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_018210.4(NAXD):c.39C>T(p.Gly13Gly) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00153 in 1,515,588 control chromosomes in the GnomAD database, including 41 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0084 ( 23 hom., cov: 33)

Exomes 𝑓: 0.00076 ( 18 hom. )

Consequence

NAXD
NM_018210.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 0.562

Variant links:

Genes affected

NAXD (HGNC:25576): (NAD(P)HX dehydratase) Enables ATP-dependent NAD(P)H-hydrate dehydratase activity. Predicted to be involved in metabolite repair. Predicted to be located in cytosol; endoplasmic reticulum; and mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

NAXD links:

NAXD-AS1 (HGNC:56341): (NAXD antisense RNA 1)

NAXD-AS1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.61).

BP6

Variant 13-110615713-C-T is Benign according to our data. Variant chr13-110615713-C-T is described in ClinVar as [Benign]. Clinvar id is 1165481.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.562 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0084 (1278/152096) while in subpopulation AFR AF= 0.0291 (1209/41498). AF 95% confidence interval is 0.0278. There are 23 homozygotes in gnomad4. There are 580 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 23 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
NAXD	NM_001242882.2 link	c.46+66C>T		intron_variant	Intron 1 of 9	ENST00000680254.1	NP_001229811.1	Q8IW45A0A7P0T9D8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
NAXD	ENST00000680254.1 link	c.46+66C>T		intron_variant	Intron 1 of 9		NM_001242882.2	ENSP00000505619.1		A0A7P0T9D8

Frequencies

GnomAD3 genomes

AF:

0.00836

AC:

1271

AN:

151978

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0291

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00308

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000208

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00720

GnomAD3 exomes

AF:

0.00164

AC:

204

AN:

124584

Hom.:

AF XY:

0.00101

AC XY:

AN XY:

70472

show subpopulations

Gnomad AFR exome

AF:

0.0315

Gnomad AMR exome

AF:

0.00132

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:

0.0000564

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000764

AC:

1042

AN:

1363492

Hom.:

Cov.:

AF XY:

0.000678

AC XY:

458

AN XY:

675456

show subpopulations

Gnomad4 AFR exome

AF:

0.0301

Gnomad4 AMR exome

AF:

0.00141

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000260

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000168

Gnomad4 OTH exome

AF:

0.00197

GnomAD4 genome

AF:

0.00840

AC:

1278

AN:

152096

Hom.:

Cov.:

AF XY:

0.00780

AC XY:

580

AN XY:

74356

show subpopulations

Gnomad4 AFR

AF:

0.0291

Gnomad4 AMR

AF:

0.00307

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000208

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000883

Gnomad4 OTH

AF:

0.00712

Alfa

AF:

0.00449

Hom.:

Bravo

AF:

0.00969

Asia WGS

AF:

0.00202

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:3

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Jan 24, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

NAXD-related disorder

Benign:1

Sep 25, 2019

PreventionGenetics, part of Exact Sciences

Significance: Benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.61

CADD

Benign

9.4

DANN

Benign

0.75

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over