Genetic Variant MEFV:p.Glu485Asp (chr16-3247148-C-A) – 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_000243.3(MEFV):c.1455G>T(p.Glu485Asp) 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 1,461,882 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. E485E) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MEFV
NM_000243.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.602

Publications

0 publications found

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 Gene-Disease associations (from GenCC):

familial Mediterranean fever
Inheritance: AD, AR, SD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, Myriad Women’s Health, ClinGen
autosomal recessive familial Mediterranean fever
Inheritance: AR Classification: DEFINITIVE Submitted by: G2P
familial Mediterranean fever, autosomal dominant
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)

MEFV 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=0.17627868).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MEFV	NM_000243.3 link	c.1455G>T	p.Glu485Asp	missense_variant	Exon 5 of 10	ENST00000219596.6	NP_000234.1	O15553-2
MEFV	NM_001198536.2 link	c.822G>T	p.Glu274Asp	missense_variant	Exon 4 of 9		NP_001185465.2	O15553-3D2DTW2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MEFV	ENST00000219596.6 link	c.1455G>T	p.Glu485Asp	missense_variant	Exon 5 of 10	1	NM_000243.3	ENSP00000219596.1		O15553-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461882

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727244

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:

1112002

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

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.18

BayesDel_addAF

Benign

0.00092

BayesDel_noAF

Benign

-0.24

CADD

Benign

6.0

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.62

D;.;.;.

Eigen

Benign

-0.59

Eigen_PC

Benign

-0.71

FATHMM_MKL

Benign

0.20

LIST_S2

Benign

0.70

T;T;T;T

M_CAP

Benign

0.013

MetaRNN

Benign

0.18

T;T;T;T

MetaSVM

Benign

-0.91

MutationAssessor

Uncertain

2.1

M;.;.;.

PhyloP100

-0.60

PrimateAI

Benign

0.23

PROVEAN

Uncertain

-2.8

D;D;N;D

REVEL

Benign

0.20

Sift

Benign

0.055

T;D;T;D

Sift4G

Uncertain

0.031

D;D;T;T

Polyphen

0.61

P;.;.;.

Vest4

0.22

MutPred

0.35

Loss of stability (P = 0.0841);.;.;.;

MVP

0.83

MPC

0.18

ClinPred

0.27

GERP RS

0.88

Varity_R

0.23

gMVP

0.16

Mutation Taster

=71/29

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over