Genetic Variant MEFV:p.Glu195Asp (chr16-3254483-C-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_000243.3(MEFV):c.585G>T(p.Glu195Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000132 in 1,588,828 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar. Synonymous variant affecting the same amino acid position (i.e. E195E) has been classified as Benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

MEFV
NM_000243.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:2

Conservation

PhyloP100: 0.486

Publications

3 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):

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

MEFV links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.06422657).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000243.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MEFV	NM_000243.3	MANE Select	c.585G>T	p.Glu195Asp	missense	Exon 2 of 10	NP_000234.1	O15553-2
	MEFV	NM_001198536.2		c.277+1828G>T		intron	N/A	NP_001185465.2	O15553-3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MEFV	ENST00000219596.6	TSL:1 MANE Select	c.585G>T	p.Glu195Asp	missense	Exon 2 of 10	ENSP00000219596.1	O15553-2
MEFV	ENST00000541159.5	TSL:1	c.277+1828G>T		intron	N/A	ENSP00000438711.1	O15553-3
MEFV	ENST00000570511.5	TSL:1	n.585G>T		non_coding_transcript_exon	Exon 2 of 6	ENSP00000458312.1	I3L0S7

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152240

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000192

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000147

AC:

AN:

204314

AF XY:

0.0000176

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:

0.00

Gnomad OTH exome

AF:

0.000384

GnomAD4 exome

AF:

0.0000132

AC:

AN:

1436472

Hom.:

Cov.:

AF XY:

0.0000112

AC XY:

AN XY:

713326

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32758

American (AMR)

AF:

0.00

AC:

AN:

40872

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25572

East Asian (EAS)

AF:

0.0000255

AC:

AN:

39236

South Asian (SAS)

AF:

0.0000118

AC:

AN:

85098

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47274

Middle Eastern (MID)

AF:

0.00145

AC:

AN:

4814

European-Non Finnish (NFE)

AF:

0.00000545

AC:

AN:

1101608

Other (OTH)

AF:

0.0000675

AC:

AN:

59240

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

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

AF:

0.0000131

AC:

AN:

152356

Hom.:

Cov.:

AF XY:

0.0000268

AC XY:

AN XY:

74504

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41590

American (AMR)

AF:

0.00

AC:

AN:

15314

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5184

South Asian (SAS)

AF:

0.000207

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68012

Other (OTH)

AF:

0.00

AC:

AN:

2116

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

Alfa

AF:

0.000107

Hom.:

Bravo

AF:

0.0000113

ExAC

AF:

0.0000437

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Familial Mediterranean fever (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.10

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.44

CADD

Benign

1.1

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.29

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.043

LIST_S2

Benign

0.50

M_CAP

Benign

0.0042

MetaRNN

Benign

0.064

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.2

PhyloP100

0.49

PrimateAI

Benign

0.35

PROVEAN

Benign

-0.50

REVEL

Benign

0.10

Sift

Benign

0.47

Sift4G

Benign

0.43

Polyphen

0.0030

Vest4

0.24

MutPred

0.10

Gain of MoRF binding (P = 0.1014)

MVP

0.40

MPC

0.12

ClinPred

0.028

GERP RS

-0.029

Varity_R

0.038

gMVP

0.23

Mutation Taster

=86/14

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over