Genetic Variant NM_213602.3:c.382C>T (chr18-45837782-C-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_213602.3(SIGLEC15):c.382C>T(p.Arg128Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000292 in 1,371,462 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 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. R128P) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000029 ( 0 hom. )

Consequence

SIGLEC15
NM_213602.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.51

Publications

0 publications found

Variant links:

Genes affected

SIGLEC15 (HGNC:27596): (sialic acid binding Ig like lectin 15) Predicted to be involved in regulation of actin cytoskeleton organization; regulation of bone resorption; and regulation of osteoclast development. Predicted to be integral component of membrane. Predicted to be part of protein-containing complex. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

SIGLEC15 links:

EPG5 (HGNC:29331): (ectopic P-granules 5 autophagy tethering factor) This gene encodes a large coiled coil domain-containing protein that functions in autophagy during starvation conditions. Mutations in this gene cause Vici syndrome. [provided by RefSeq, Aug 2015]

EPG5 Gene-Disease associations (from GenCC):

Vici syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, Orphanet, G2P

EPG5 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.826

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SIGLEC15	NM_213602.3 link	c.382C>T	p.Arg128Cys	missense_variant	Exon 3 of 6	ENST00000389474.8	NP_998767.1	Q6ZMC9-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SIGLEC15	ENST00000389474.8 link	c.382C>T	p.Arg128Cys	missense_variant	Exon 3 of 6	1	NM_213602.3	ENSP00000374125.2		Q6ZMC9-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000830

AC:

AN:

120554

AF XY:

0.0000147

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000212

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000292

AC:

AN:

1371462

Hom.:

Cov.:

AF XY:

0.00000590

AC XY:

AN XY:

678120

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

28216

American (AMR)

AF:

0.00

AC:

AN:

36510

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24334

East Asian (EAS)

AF:

0.00

AC:

AN:

32612

South Asian (SAS)

AF:

0.00

AC:

AN:

78456

European-Finnish (FIN)

AF:

0.00

AC:

AN:

33704

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4354

European-Non Finnish (NFE)

AF:

0.00000372

AC:

AN:

1076234

Other (OTH)

AF:

0.00

AC:

AN:

57042

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.52

BayesDel_addAF

Uncertain

0.12

BayesDel_noAF

Uncertain

-0.070

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.099

Eigen

Uncertain

0.44

Eigen_PC

Uncertain

0.38

FATHMM_MKL

Uncertain

0.89

LIST_S2

Benign

0.73

M_CAP

Uncertain

0.25

MetaRNN

Pathogenic

0.83

MetaSVM

Benign

-0.35

MutationAssessor

Benign

1.7

PhyloP100

2.5

PrimateAI

Pathogenic

0.90

PROVEAN

Uncertain

-3.0

REVEL

Uncertain

0.46

Sift

Uncertain

0.014

Sift4G

Pathogenic

0.0010

Polyphen

1.0

Vest4

0.61

MutPred

0.67

Loss of MoRF binding (P = 0.0073);

MVP

0.58

MPC

1.6

ClinPred

0.99

GERP RS

2.8

PromoterAI

0.035

Neutral

(source)

Varity_R

0.32

gMVP

0.69

Mutation Taster

=79/21

polymorphism

(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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over