Genetic Variant MEFV:c.*743T>A (chr16-3242398-A-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_000243.3(MEFV):c.*743T>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000014 in 143,358 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000014 ( 0 hom., cov: 23)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

MEFV
NM_000243.3 3_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -3.11

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:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-1.01).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MEFV	NM_000243.3 link	c.*743T>A		3_prime_UTR_variant	Exon 10 of 10	ENST00000219596.6	NP_000234.1	O15553-2
MEFV	NM_001198536.2 link	c.*1293T>A		3_prime_UTR_variant	Exon 9 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.*743T>A		3_prime_UTR_variant	Exon 10 of 10	1	NM_000243.3	ENSP00000219596.1		O15553-2

Frequencies

GnomAD3 genomes

AF:

0.0000140

AC:

AN:

143358

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:

0.000418

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1222

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

820

African (AFR)

AF:

0.00

AC:

AN:

American (AMR)

AF:

0.00

AC:

AN:

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

East Asian (EAS)

AF:

0.00

AC:

AN:

South Asian (SAS)

AF:

0.00

AC:

AN:

494

European-Finnish (FIN)

AF:

0.00

AC:

AN:

Middle Eastern (MID)

AC:

AN:

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

586

Other (OTH)

AF:

0.00

AC:

AN:

GnomAD4 genome

AF:

0.0000140

AC:

AN:

143358

Hom.:

Cov.:

AF XY:

0.0000144

AC XY:

AN XY:

69632

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

38900

American (AMR)

AF:

0.00

AC:

AN:

14416

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3372

East Asian (EAS)

AF:

0.000418

AC:

AN:

4780

South Asian (SAS)

AF:

0.00

AC:

AN:

4614

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9046

Middle Eastern (MID)

AF:

0.00

AC:

AN:

274

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

65160

Other (OTH)

AF:

0.00

AC:

AN:

1944

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.550

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

960

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-1.0

CADD

Benign

0.29

(source)

DANN

Benign

0.24

PhyloP100

-3.1

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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16-3242398-A-T

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