rs137852776

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS2

The NM_018100.4(EFHC1):​c.685T>C​(p.Phe229Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0033 in 1,614,032 control chromosomes in the GnomAD database, including 28 homozygotes. 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 0.0025 ( 3 hom., cov: 32)
Exomes 𝑓: 0.0034 ( 25 hom. )

Consequence

EFHC1
NM_018100.4 missense

Scores

1
10
8

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:5

Conservation

PhyloP100: 4.61

Publications

27 publications found
Variant links:
Genes affected
EFHC1 (HGNC:16406): (EF-hand domain containing 1) This gene encodes an EF-hand-containing calcium binding protein. The encoded protein likely plays a role in calcium homeostasis. Mutations in this gene have been associated with susceptibility to juvenile myoclonic epilepsy and juvenile absence epilepsy. Alternatively spliced transcript variants have been described. [provided by RefSeq, Feb 2010]
EFHC1 Gene-Disease associations (from GenCC):
  • juvenile myoclonic epilepsy
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)
  • epilepsy
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.008032471).
BP6
Variant 6-52452799-T-C is Benign according to our data. Variant chr6-52452799-T-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 2064.
BS2
High AC in GnomAd4 at 378 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
EFHC1NM_018100.4 linkc.685T>C p.Phe229Leu missense_variant Exon 4 of 11 ENST00000371068.11 NP_060570.2 Q5JVL4-1B2CKC5
EFHC1NM_001172420.2 linkc.628T>C p.Phe210Leu missense_variant Exon 5 of 12 NP_001165891.1 Q5JVL4-3B2CKC5
EFHC1NR_033327.2 linkn.754T>C non_coding_transcript_exon_variant Exon 4 of 10

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
EFHC1ENST00000371068.11 linkc.685T>C p.Phe229Leu missense_variant Exon 4 of 11 1 NM_018100.4 ENSP00000360107.4 Q5JVL4-1

Frequencies

GnomAD3 genomes
AF:
0.00250
AC:
381
AN:
152206
Hom.:
3
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000434
Gnomad AMI
AF:
0.00110
Gnomad AMR
AF:
0.00268
Gnomad ASJ
AF:
0.00807
Gnomad EAS
AF:
0.000577
Gnomad SAS
AF:
0.00352
Gnomad FIN
AF:
0.000188
Gnomad MID
AF:
0.00949
Gnomad NFE
AF:
0.00372
Gnomad OTH
AF:
0.00716
GnomAD2 exomes
AF:
0.00349
AC:
878
AN:
251444
AF XY:
0.00389
show subpopulations
Gnomad AFR exome
AF:
0.000492
Gnomad AMR exome
AF:
0.00211
Gnomad ASJ exome
AF:
0.00734
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000924
Gnomad NFE exome
AF:
0.00446
Gnomad OTH exome
AF:
0.00587
GnomAD4 exome
AF:
0.00338
AC:
4947
AN:
1461708
Hom.:
25
Cov.:
33
AF XY:
0.00361
AC XY:
2624
AN XY:
727144
show subpopulations
African (AFR)
AF:
0.000896
AC:
30
AN:
33480
American (AMR)
AF:
0.00226
AC:
101
AN:
44720
Ashkenazi Jewish (ASJ)
AF:
0.00930
AC:
243
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39686
South Asian (SAS)
AF:
0.00639
AC:
551
AN:
86258
European-Finnish (FIN)
AF:
0.000150
AC:
8
AN:
53412
Middle Eastern (MID)
AF:
0.0175
AC:
101
AN:
5768
European-Non Finnish (NFE)
AF:
0.00325
AC:
3616
AN:
1111862
Other (OTH)
AF:
0.00492
AC:
297
AN:
60388
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.479
Heterozygous variant carriers
0
313
625
938
1250
1563
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
130
260
390
520
650
<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:
0.00248
AC:
378
AN:
152324
Hom.:
3
Cov.:
32
AF XY:
0.00220
AC XY:
164
AN XY:
74494
show subpopulations
African (AFR)
AF:
0.000433
AC:
18
AN:
41578
American (AMR)
AF:
0.00268
AC:
41
AN:
15298
Ashkenazi Jewish (ASJ)
AF:
0.00807
AC:
28
AN:
3470
East Asian (EAS)
AF:
0.000578
AC:
3
AN:
5190
South Asian (SAS)
AF:
0.00311
AC:
15
AN:
4826
European-Finnish (FIN)
AF:
0.000188
AC:
2
AN:
10624
Middle Eastern (MID)
AF:
0.0102
AC:
3
AN:
294
European-Non Finnish (NFE)
AF:
0.00372
AC:
253
AN:
68016
Other (OTH)
AF:
0.00662
AC:
14
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.501
Heterozygous variant carriers
0
17
34
52
69
86
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00382
Hom.:
6
Bravo
AF:
0.00299
TwinsUK
AF:
0.00243
AC:
9
ALSPAC
AF:
0.00285
AC:
11
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00477
AC:
41
ExAC
AF:
0.00358
AC:
434
Asia WGS
AF:
0.00144
AC:
5
AN:
3478
EpiCase
AF:
0.00622
EpiControl
AF:
0.00480

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:4Benign:5
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1Benign:3
May 05, 2021
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 23527921, 22690745, 27467453, 17634063, 17159113, 25625532, 28370826, 25489633, 24965021, 22226147, 18823326, 12439895, 15258581, 22926142) -

Apr 04, 2019
Athena Diagnostics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Aug 30, 2017
Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jun 01, 2023
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

EFHC1: BS2 -

not specified Uncertain:1Benign:1
Jun 18, 2014
Genetic Services Laboratory, University of Chicago
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 05, 2015
Eurofins Ntd Llc (ga)
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Absence seizure Uncertain:1
Jul 02, 2021
New York Genome Center
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Myoclonic epilepsy, juvenile, susceptibility to, 1 Uncertain:1
Dec 12, 2006
OMIM
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Absence seizure;C1850778:Myoclonic epilepsy, juvenile, susceptibility to, 1 Benign:1
Oct 22, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.73
BayesDel_addAF
Benign
-0.098
T
BayesDel_noAF
Uncertain
0.090
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Benign
0.058
T;.;.;T;T;T;T;T;T;.;T;.;.
Eigen
Uncertain
0.32
Eigen_PC
Uncertain
0.42
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Uncertain
0.92
D;D;.;D;D;D;D;D;D;D;D;.;D
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.0080
T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.67
T
MutationAssessor
Uncertain
2.1
.;.;.;M;.;.;.;.;.;.;.;.;.
PhyloP100
4.6
PrimateAI
Uncertain
0.62
T
PROVEAN
Uncertain
-3.6
.;.;.;D;.;.;.;.;.;.;.;.;D
REVEL
Uncertain
0.40
Sift
Benign
0.12
.;.;.;T;.;.;.;.;.;.;.;.;T
Sift4G
Benign
0.46
.;.;.;T;.;.;.;.;.;.;.;.;T
Polyphen
0.50
.;.;.;P;.;.;.;.;.;.;.;.;.
Vest4
0.55, 0.54
MutPred
0.72
.;.;.;Gain of ubiquitination at K233 (P = 0.1084);Gain of ubiquitination at K233 (P = 0.1084);Gain of ubiquitination at K233 (P = 0.1084);Gain of ubiquitination at K233 (P = 0.1084);Gain of ubiquitination at K233 (P = 0.1084);.;Gain of ubiquitination at K233 (P = 0.1084);.;.;.;
MVP
0.73
MPC
0.12
ClinPred
0.043
T
GERP RS
6.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.23
gMVP
0.57
Mutation Taster
=96/4
polymorphism

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

Other links and lift over

dbSNP: rs137852776; hg19: chr6-52317597; COSMIC: COSV105290088; COSMIC: COSV105290088; API