Genetic Variant AIRE:p.Arg471Ser (chr21-44294411-C-A) – 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_000383.4(AIRE):c.1411C>A(p.Arg471Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000703 in 1,422,704 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R471C) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 7.0e-7 ( 0 hom. )

Consequence

AIRE
NM_000383.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0790

Publications

26 publications found

Variant links:

Genes affected

AIRE (HGNC:360): (autoimmune regulator) This gene encodes a transcriptional regulator that forms nuclear bodies and interacts with the transcriptional coactivator CREB binding protein. The encoded protein plays an important role in immunity by regulating the expression of autoantigens and negative selection of autoreactive T-cells in the thymus. Mutations in this gene cause the rare autosomal-recessive systemic autoimmune disease termed autoimmune polyendocrinopathy with candidiasis and ectodermal dystrophy (APECED). [provided by RefSeq, Jun 2012]

AIRE Gene-Disease associations (from GenCC):

autoimmune polyendocrine syndrome type 1
Inheritance: AR, AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: G2P, PanelApp Australia, Ambry Genetics, Myriad Women’s Health, Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
familial isolated hypoparathyroidism due to impaired PTH secretion
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

AIRE 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
AIRE	NM_000383.4 link	c.1411C>A	p.Arg471Ser	missense_variant	Exon 12 of 14	ENST00000291582.6	NP_000374.1	O43918-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
AIRE	ENST00000291582.6 link	c.1411C>A	p.Arg471Ser	missense_variant	Exon 12 of 14	1	NM_000383.4	ENSP00000291582.5		O43918-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000530

AC:

AN:

188644

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000645

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

7.03e-7

AC:

AN:

1422704

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

705868

show subpopulations

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

African (AFR)

AF:

0.00

AC:

AN:

33086

American (AMR)

AF:

0.00

AC:

AN:

41484

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25498

East Asian (EAS)

AF:

0.0000259

AC:

AN:

38624

South Asian (SAS)

AF:

0.00

AC:

AN:

82088

European-Finnish (FIN)

AF:

0.00

AC:

AN:

37172

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5514

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1100018

Other (OTH)

AF:

0.00

AC:

AN:

59220

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 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: 0.375

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000854

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.26

BayesDel_addAF

Benign

-0.078

BayesDel_noAF

Benign

-0.17

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.33

Eigen

Benign

-0.13

Eigen_PC

Benign

-0.25

FATHMM_MKL

Benign

0.11

LIST_S2

Benign

0.49

MetaRNN

Uncertain

0.49

MetaSVM

Uncertain

0.22

MutationAssessor

Benign

1.4

PhyloP100

0.079

PrimateAI

Uncertain

0.69

PROVEAN

Benign

-1.1

REVEL

Uncertain

0.49

Sift

Uncertain

0.017

Sift4G

Benign

0.077

Polyphen

0.65

Vest4

0.43

MutPred

0.52

Loss of methylation at R471 (P = 0.0491);

MVP

0.96

MPC

0.14

ClinPred

0.19

GERP RS

2.7

Varity_R

0.21

gMVP

0.49

Mutation Taster

=86/114

disease causing (fs/PTC)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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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21-44294411-C-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over