Genetic Variant SIGLEC7:p.Met181Val (chr19-51144513-A-G) – ACMG Classification: Benign (-20 pts)

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_014385.4(SIGLEC7):c.541A>G(p.Met181Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00248 in 1,613,770 control chromosomes in the GnomAD database, including 72 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.013 ( 45 hom., cov: 32)

Exomes 𝑓: 0.0014 ( 27 hom. )

Consequence

SIGLEC7
NM_014385.4 missense

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.150

Variant links:

Genes affected

SIGLEC7 (HGNC:10876): (sialic acid binding Ig like lectin 7) Predicted to enable sialic acid binding activity. Predicted to be involved in cell adhesion. Predicted to be integral component of plasma membrane. Predicted to be active in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

SIGLEC7 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0024780333).

BP6

Variant 19-51144513-A-G is Benign according to our data. Variant chr19-51144513-A-G is described in ClinVar as [Benign]. Clinvar id is 777506.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0127 (1940/152166) while in subpopulation AFR AF= 0.044 (1824/41494). AF 95% confidence interval is 0.0423. There are 45 homozygotes in gnomad4. There are 935 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 45 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SIGLEC7	NM_014385.4 link	c.541A>G	p.Met181Val	missense_variant	Exon 2 of 7	ENST00000317643.10	NP_055200.1	Q9Y286-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SIGLEC7	ENST00000317643.10 link	c.541A>G	p.Met181Val	missense_variant	Exon 2 of 7	1	NM_014385.4	ENSP00000323328.6		Q9Y286-1

Frequencies

GnomAD3 genomes

AF:

0.0127

AC:

1930

AN:

152048

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0438

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00576

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000221

Gnomad OTH

AF:

0.00575

GnomAD3 exomes

AF:

0.00340

AC:

854

AN:

251164

Hom.:

AF XY:

0.00264

AC XY:

358

AN XY:

135776

show subpopulations

Gnomad AFR exome

AF:

0.0456

Gnomad AMR exome

AF:

0.00205

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000980

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000229

Gnomad OTH exome

AF:

0.00212

GnomAD4 exome

AF:

0.00141

AC:

2064

AN:

1461604

Hom.:

Cov.:

AF XY:

0.00122

AC XY:

884

AN XY:

727120

show subpopulations

Gnomad4 AFR exome

AF:

0.0463

Gnomad4 AMR exome

AF:

0.00266

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000696

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000196

Gnomad4 OTH exome

AF:

0.00265

GnomAD4 genome

AF:

0.0127

AC:

1940

AN:

152166

Hom.:

Cov.:

AF XY:

0.0126

AC XY:

935

AN XY:

74392

show subpopulations

Gnomad4 AFR

AF:

0.0440

Gnomad4 AMR

AF:

0.00575

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000221

Gnomad4 OTH

AF:

0.00569

Alfa

AF:

0.00482

Hom.:

Bravo

AF:

0.0148

TwinsUK

AF:

0.000539

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.0438

AC:

193

ESP6500EA

AF:

0.000581

AC:

ExAC

AF:

0.00426

AC:

517

Asia WGS

AF:

0.00173

AC:

AN:

3478

EpiCase

AF:

0.000273

EpiControl

AF:

0.000178

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Dec 11, 2017

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Breakthrough Genomics, Breakthrough Genomics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.058

BayesDel_addAF

Benign

-0.70

BayesDel_noAF

Benign

-0.74

CADD

Benign

0.67

DANN

Benign

0.35

DEOGEN2

Benign

0.022

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.011

LIST_S2

Benign

0.061

MetaRNN

Benign

0.0025

MetaSVM

Benign

-0.92

MutationAssessor

Benign

0.26

PrimateAI

Benign

0.22

PROVEAN

Benign

0.080

REVEL

Benign

0.019

Sift

Benign

0.15

Sift4G

Benign

0.56

Polyphen

0.0020

Vest4

0.14

MVP

0.067

MPC

0.13

ClinPred

0.0043

GERP RS

1.8

Varity_R

0.055

gMVP

0.10

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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