Genetic Variant TNFAIP8L3:p.Asn70Lys (chr15-51058286-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001311175.2(TNFAIP8L3):c.210C>G(p.Asn70Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000329 in 152,114 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)

Consequence

TNFAIP8L3
NM_001311175.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.04

Publications

0 publications found

Variant links:

Genes affected

TNFAIP8L3 (HGNC:20620): (TNF alpha induced protein 8 like 3) Predicted to enable phosphatidylinositol binding activity and phosphatidylinositol transfer activity. Predicted to be involved in several processes, including inositol lipid-mediated signaling; positive regulation of intracellular signal transduction; and positive regulation of phosphatidylinositol 3-kinase activity. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TNFAIP8L3 links:

MIR4713HG (HGNC:53124): (MIR4713 host gene)

MIR4713HG links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TNFAIP8L3	NM_001311175.2 link	c.210C>G	p.Asn70Lys	missense_variant	Exon 2 of 2	ENST00000637513.2	NP_001298104.1	Q5GJ75A0A1B0GTK8
TNFAIP8L3	NM_207381.4 link	c.474C>G	p.Asn158Lys	missense_variant	Exon 3 of 3		NP_997264.2	Q5GJ75
MIR4713HG	NR_146310.1 link	n.194+20605G>C		intron_variant	Intron 1 of 2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TNFAIP8L3	ENST00000637513.2 link	c.210C>G	p.Asn70Lys	missense_variant	Exon 2 of 2	1	NM_001311175.2	ENSP00000489743.1		A0A1B0GTK8

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152114

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000262

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:

0.0000329

AC:

AN:

152114

Hom.:

Cov.:

AF XY:

0.0000404

AC XY:

AN XY:

74306

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41400

American (AMR)

AF:

0.000262

AC:

AN:

15276

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.000110

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 01, 2025

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.474C>G (p.N158K) alteration is located in exon 3 (coding exon 3) of the TNFAIP8L3 gene. This alteration results from a C to G substitution at nucleotide position 474, causing the asparagine (N) at amino acid position 158 to be replaced by a lysine (K). 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

Pathogenic

0.68

BayesDel_addAF

Benign

-0.10

BayesDel_noAF

Benign

-0.39

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.31

T;.

Eigen

Uncertain

0.62

Eigen_PC

Pathogenic

0.66

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.95

D;D

M_CAP

Benign

0.011

MetaRNN

Uncertain

0.52

D;D

MetaSVM

Benign

-0.85

MutationAssessor

Uncertain

2.8

M;.

PhyloP100

8.0

PrimateAI

Benign

0.47

PROVEAN

Pathogenic

-4.4

D;.

REVEL

Benign

0.25

Sift

Uncertain

0.0040

D;.

Sift4G

Uncertain

0.0060

D;.

Polyphen

0.90

P;.

Vest4

0.41

MutPred

0.63

Gain of methylation at N158 (P = 0.0142);.;

MVP

0.45

MPC

0.63

ClinPred

0.98

GERP RS

5.5

Varity_R

0.61

gMVP

0.41

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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15-51058286-G-C

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