Genetic Variant EMILIN1:p.Arg100Leu (chr2-27080740-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_007046.4(EMILIN1):c.299G>T(p.Arg100Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,376 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. 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. R100C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

EMILIN1
NM_007046.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.94

Publications

0 publications found

Variant links:

Genes affected

EMILIN1 (HGNC:19880): (elastin microfibril interfacer 1) This gene encodes an extracellular matrix glycoprotein that is characterized by an N-terminal microfibril interface domain, a coiled-coiled alpha-helical domain, a collagenous domain and a C-terminal globular C1q domain. The encoded protein associates with elastic fibers at the interface between elastin and microfibrils and may play a role in the development of elastic tissues including large blood vessels, dermis, heart and lung. [provided by RefSeq, Sep 2009]

EMILIN1 Gene-Disease associations (from GenCC):

neuronopathy, distal hereditary motor, autosomal dominant 10
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)

EMILIN1 links:

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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=0.17698628).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EMILIN1	NM_007046.4 link	c.299G>T	p.Arg100Leu	missense_variant	Exon 3 of 8	ENST00000380320.9	NP_008977.1	Q9Y6C2-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EMILIN1	ENST00000380320.9 link	c.299G>T	p.Arg100Leu	missense_variant	Exon 3 of 8	1	NM_007046.4	ENSP00000369677.4		Q9Y6C2-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460376

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726418

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33464

American (AMR)

AF:

0.00

AC:

AN:

44598

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26076

East Asian (EAS)

AF:

0.00

AC:

AN:

39688

South Asian (SAS)

AF:

0.00

AC:

AN:

86008

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52900

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111536

Other (OTH)

AF:

0.00

AC:

AN:

60342

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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.45

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.069

Eigen

Benign

-0.22

Eigen_PC

Benign

0.021

FATHMM_MKL

Uncertain

0.88

LIST_S2

Benign

0.42

M_CAP

Benign

0.011

MetaRNN

Benign

0.18

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.81

PhyloP100

3.9

PrimateAI

Benign

0.35

PROVEAN

Benign

0.43

REVEL

Benign

0.045

Sift

Benign

0.030

Sift4G

Uncertain

0.0090

Polyphen

0.054

Vest4

0.23

MutPred

0.57

Loss of methylation at R100 (P = 0.0318);

MVP

0.34

MPC

0.26

ClinPred

0.91

GERP RS

5.1

Varity_R

0.38

gMVP

0.64

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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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