rs976279218

Positions:

chr16-3243589-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 4P and 2B. PM1PM2BP4BP6

The NM_000243.3(MEFV):c.1898C>T(p.Pro633Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000686 in 1,603,042 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000055 ( 0 hom. )

Consequence

MEFV
NM_000243.3 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:3

Conservation

PhyloP100: 4.99

Variant links:

Genes affected

MEFV (HGNC:6998): (MEFV innate immunity regulator, pyrin) This gene encodes a protein, also known as pyrin or marenostrin, that is an important modulator of innate immunity. Mutations in this gene are associated with Mediterranean fever, a hereditary periodic fever syndrome. [provided by RefSeq, Jul 2008]

MEFV links:

MEFV (HGNC:):

MEFV links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM1

In a domain B30.2/SPRY (size 195) in uniprot entity MEFV_HUMAN there are 33 pathogenic changes around while only 4 benign (89%) in NM_000243.3

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.40471023).

BP6

Variant 16-3243589-G-A is Benign according to our data. Variant chr16-3243589-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 457998.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2, Benign=2}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MEFV	NM_000243.3 linkuse as main transcript	c.1898C>T	p.Pro633Leu	missense_variant	10/10	ENST00000219596.6	NP_000234.1	O15553-2
MEFV	NM_001198536.2 linkuse as main transcript	c.*102C>T		3_prime_UTR_variant	9/9		NP_001185465.2	O15553-3D2DTW2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MEFV	ENST00000219596.6 linkuse as main transcript	c.1898C>T	p.Pro633Leu	missense_variant	10/10	1	NM_000243.3	ENSP00000219596.1		O15553-2

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152080

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000246

AC:

AN:

244208

Hom.:

AF XY:

0.0000227

AC XY:

AN XY:

131994

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000895

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000547

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000340

GnomAD4 exome

AF:

0.00000551

AC:

AN:

1450962

Hom.:

Cov.:

AF XY:

0.00000555

AC XY:

AN XY:

720652

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000918

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000253

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000181

Gnomad4 OTH exome

AF:

0.0000167

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152080

Hom.:

Cov.:

AF XY:

0.0000404

AC XY:

AN XY:

74300

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000655

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000868

Hom.:

Bravo

AF:

0.0000302

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:3

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Familial Mediterranean fever

Uncertain:2Benign:1

Likely benign, criteria provided, single submitter	clinical testing	Genome-Nilou Lab	Feb 08, 2023	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Aug 12, 2022	This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 633 of the MEFV protein (p.Pro633Leu). This variant is present in population databases (no rsID available, gnomAD 0.01%). This missense change has been observed in individual(s) with familial Mediterranean fever (PMID: 31803701). ClinVar contains an entry for this variant (Variation ID: 457998). Algorithms developed to predict the effect of missense changes on protein structure and function output the following: SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0". The leucine amino acid residue is found in multiple mammalian species, which suggests that this missense change does not adversely affect protein function. 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. -
Uncertain significance, no assertion criteria provided	clinical testing	Natera, Inc.	Oct 28, 2019	- -

Familial Mediterranean fever;C0085077:Acute febrile neutrophilic dermatosis;C1851347:Familial Mediterranean fever, autosomal dominant

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Fulgent Genetics, Fulgent Genetics

May 20, 2024

- -

Acute febrile neutrophilic dermatosis

Benign:1

Benign, criteria provided, single submitter

clinical testing

Genome-Nilou Lab

Feb 08, 2023

- -

Familial Mediterranean fever, autosomal dominant

Benign:1

Benign, criteria provided, single submitter

clinical testing

Genome-Nilou Lab

Feb 08, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.12

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.36

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.58

D;.;.

Eigen

Benign

0.18

Eigen_PC

Benign

0.019

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.87

D;D;D

M_CAP

Benign

0.029

MetaRNN

Benign

0.40

T;T;T

MetaSVM

Benign

-0.98

MutationAssessor

Uncertain

2.7

M;.;.

PrimateAI

Benign

0.36

PROVEAN

Pathogenic

-7.1

D;D;D

REVEL

Benign

0.25

Sift

Uncertain

0.029

D;D;T

Sift4G

Uncertain

0.038

D;D;D

Polyphen

0.99

D;.;.

Vest4

0.28

MutPred

0.62

Loss of disorder (P = 0.0406);.;.;

MVP

0.61

MPC

0.39

ClinPred

0.50

GERP RS

3.2

Varity_R

0.21

gMVP

0.31

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

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