chr11-124637003-A-C

Variant names:

Variant summary

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

The NM_170601.5(SIAE):c.1520T>G(p.Ile507Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SIAE
NM_170601.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0470

Publications

0 publications found

Variant links:

Genes affected

SIAE (HGNC:18187): (sialic acid acetylesterase) This gene encodes an enzyme which removes 9-O-acetylation modifications from sialic acids. Mutations in this gene are associated with susceptibility to autoimmune disease 6. Multiple transcript variants encoding different isoforms, found either in the cytosol or in the lysosome, have been found for this gene.[provided by RefSeq, Feb 2011]

SIAE Gene-Disease associations (from GenCC):

autoimmune disease, susceptibility to, 6
Inheritance: Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine

SIAE 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=0.13832903).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SIAE	NM_170601.5 link	c.1520T>G	p.Ile507Ser	missense_variant	Exon 10 of 10	ENST00000263593.8	NP_733746.1	Q9HAT2-1
SIAE	NM_001199922.2 link	c.1415T>G	p.Ile472Ser	missense_variant	Exon 12 of 12		NP_001186851.1	Q9HAT2-2
SIAE	XM_047427132.1 link	c.947T>G	p.Ile316Ser	missense_variant	Exon 7 of 7		XP_047283088.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SIAE	ENST00000263593.8 link	c.1520T>G	p.Ile507Ser	missense_variant	Exon 10 of 10	1	NM_170601.5	ENSP00000263593.3	Q9HAT2-1
SIAE	ENST00000618733.4 link	c.1415T>G	p.Ile472Ser	missense_variant	Exon 12 of 12	1		ENSP00000478211.1	Q9HAT2-2
SIAE	ENST00000545756.5 link	c.1415T>G	p.Ile472Ser	missense_variant	Exon 11 of 11	5		ENSP00000437877.1	Q9HAT2-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461892

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727246

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jan 04, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces isoleucine, which is neutral and non-polar, with serine, which is neutral and polar, at codon 507 of the SIAE protein (p.Ile507Ser). This variant is not present in population databases (gnomAD no frequency). This variant has not been reported in the literature in individuals affected with SIAE-related conditions. An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬¨‚Ä†is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.039

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.41

T;.;.

Eigen

Benign

-0.80

Eigen_PC

Benign

-0.95

FATHMM_MKL

Benign

0.088

LIST_S2

Benign

0.75

T;T;.

M_CAP

Benign

0.068

MetaRNN

Benign

0.14

T;T;T

MetaSVM

Benign

-0.59

MutationAssessor

Uncertain

2.8

M;.;.

PhyloP100

-0.047

PrimateAI

Benign

0.30

PROVEAN

Uncertain

-2.6

D;D;.

REVEL

Uncertain

0.31

Sift

Uncertain

0.0050

D;D;.

Sift4G

Uncertain

0.041

D;T;T

Polyphen

0.46

P;.;.

Vest4

0.10

MutPred

0.62

Gain of glycosylation at I507 (P = 0.0018);.;.;

MVP

0.46

MPC

0.22

ClinPred

0.45

GERP RS

-4.8

Varity_R

0.29

gMVP

0.71

Mutation Taster

=88/12

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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chr11-124637003-A-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