chr16-3254696-G-A

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6BP7

The NM_000243.3(MEFV):​c.372C>T​(p.Pro124=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000359 in 1,612,658 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Synonymous variant affecting the same amino acid position (i.e. P124P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00033 ( 0 hom., cov: 34)
Exomes 𝑓: 0.00036 ( 1 hom. )

Consequence

MEFV
NM_000243.3 synonymous

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:7O:1

Conservation

PhyloP100: -4.44
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.88).
BP6
Variant 16-3254696-G-A is Benign according to our data. Variant chr16-3254696-G-A is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 97519.We mark this variant Likely_benign, oryginal submissions are: {not_provided=1, Likely_benign=4, Uncertain_significance=2, Benign=2}. Variant chr16-3254696-G-A is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-4.44 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MEFVNM_000243.3 linkuse as main transcriptc.372C>T p.Pro124= synonymous_variant 2/10 ENST00000219596.6
MEFVNM_001198536.2 linkuse as main transcriptc.277+1615C>T intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MEFVENST00000219596.6 linkuse as main transcriptc.372C>T p.Pro124= synonymous_variant 2/101 NM_000243.3 P3O15553-2

Frequencies

GnomAD3 genomes
AF:
0.000335
AC:
51
AN:
152232
Hom.:
0
Cov.:
34
show subpopulations
Gnomad AFR
AF:
0.0000482
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000588
Gnomad OTH
AF:
0.00144
GnomAD3 exomes
AF:
0.000329
AC:
81
AN:
246462
Hom.:
0
AF XY:
0.000327
AC XY:
44
AN XY:
134610
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000405
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000981
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000552
Gnomad OTH exome
AF:
0.000495
GnomAD4 exome
AF:
0.000362
AC:
528
AN:
1460308
Hom.:
1
Cov.:
64
AF XY:
0.000351
AC XY:
255
AN XY:
726494
show subpopulations
Gnomad4 AFR exome
AF:
0.0000896
Gnomad4 AMR exome
AF:
0.000470
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.0000193
Gnomad4 NFE exome
AF:
0.000431
Gnomad4 OTH exome
AF:
0.000265
GnomAD4 genome
AF:
0.000335
AC:
51
AN:
152350
Hom.:
0
Cov.:
34
AF XY:
0.000322
AC XY:
24
AN XY:
74508
show subpopulations
Gnomad4 AFR
AF:
0.0000481
Gnomad4 AMR
AF:
0.000261
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000941
Gnomad4 NFE
AF:
0.000588
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.000447
Hom.:
0
Bravo
AF:
0.000306
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000600
EpiControl
AF:
0.000771

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:2Benign:7Other:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Familial Mediterranean fever Uncertain:1Benign:2Other:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 19, 2024- -
not provided, no classification providedliterature onlyUnité médicale des maladies autoinflammatoires, CHRU Montpellier-- -
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -
Likely benign, no assertion criteria providedclinical testingNatera, Inc.May 04, 2020- -
not provided Benign:3
Benign, criteria provided, single submitterclinical testingGeneDxMar 03, 2015- -
Benign, criteria provided, single submitterclinical testingARUP Laboratories, Molecular Genetics and Genomics, ARUP LaboratoriesApr 27, 2022- -
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenMay 01, 2024MEFV: BP4, BP7 -
Autoinflammatory syndrome Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGenome Diagnostics Laboratory, The Hospital for Sick ChildrenApr 12, 2021- -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingWomen's Health and Genetics/Laboratory Corporation of America, LabCorpAug 28, 2019- -
Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsMay 06, 2022This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.88
CADD
Benign
0.63
DANN
Benign
0.68

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.

Other links and lift over

dbSNP: rs104895078; hg19: chr16-3304696; API