Genetic Variant TXNDC2:p.Ile60Asn (chr18-9886859-T-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_032243.6(TXNDC2):c.179T>A(p.Ile60Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000135 in 1,602,720 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000047 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

TXNDC2
NM_032243.6 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.38

Variant links:

Genes affected

TXNDC2 (HGNC:16470): (thioredoxin domain containing 2) Enables thioredoxin-disulfide reductase activity. Predicted to be involved in cell differentiation and cellular oxidant detoxification. Predicted to act upstream of or within cellular response to reactive oxygen species and flagellated sperm motility. Located in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TXNDC2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.06496331).

BP6

Variant 18-9886859-T-A is Benign according to our data. Variant chr18-9886859-T-A is described in ClinVar as [Likely_benign]. Clinvar id is 3185179.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TXNDC2	NM_032243.6 link	c.179T>A	p.Ile60Asn	missense_variant	Exon 2 of 2	ENST00000357775.6	NP_115619.4	Q86VQ3-2
TXNDC2	NM_001098529.2 link	c.380T>A	p.Ile127Asn	missense_variant	Exon 2 of 2		NP_001091999.1	Q86VQ3-1A0A140VJY8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TXNDC2	ENST00000357775.6 link	c.179T>A	p.Ile60Asn	missense_variant	Exon 2 of 2	1	NM_032243.6	ENSP00000350419.4		Q86VQ3-2

Frequencies

GnomAD3 genomes

AF:

0.0000468

AC:

AN:

149460

Hom.:

Cov.:

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:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000104

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000318

AC:

AN:

251378

Hom.:

AF XY:

0.0000368

AC XY:

AN XY:

135852

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:

0.0000704

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000144

AC:

209

AN:

1453260

Hom.:

Cov.:

AF XY:

0.000131

AC XY:

AN XY:

723016

show subpopulations

Gnomad4 AFR exome

AF:

0.0000612

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:

0.000185

Gnomad4 OTH exome

AF:

0.0000334

GnomAD4 genome

AF:

0.0000468

AC:

AN:

149460

Hom.:

Cov.:

AF XY:

0.0000137

AC XY:

AN XY:

72810

show subpopulations

Gnomad4 AFR

AF:

0.00

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:

0.000104

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000847

Hom.:

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Dec 31, 2023

Ambry Genetics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.089

BayesDel_addAF

Benign

-0.41

BayesDel_noAF

Benign

-0.64

CADD

Benign

0.12

DANN

Benign

0.82

DEOGEN2

Benign

0.13

.;T;T;.;T

Eigen

Benign

-1.5

Eigen_PC

Benign

-1.6

FATHMM_MKL

Benign

0.011

LIST_S2

Benign

0.50

T;T;T;T;T

M_CAP

Benign

0.0028

MetaRNN

Benign

0.065

T;T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.4

L;.;.;.;L

PrimateAI

Benign

0.23

PROVEAN

Benign

-2.1

.;N;.;N;N

REVEL

Benign

0.029

Sift

Benign

0.13

.;T;.;D;D

Sift4G

Uncertain

0.026

D;T;T;D;D

Polyphen

0.023

.;.;.;.;B

Vest4

0.12

MVP

0.061

MPC

0.093

ClinPred

0.065

GERP RS

-6.8

Varity_R

0.064

gMVP

0.019

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.

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