rs797045703

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 1P and 7B. PP2BP4_ModerateBP6BS2

The NM_002397.5(MEF2C):​c.1021G>A​(p.Ala341Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000507 in 1,380,488 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000051 ( 0 hom. )

Consequence

MEF2C
NM_002397.5 missense

Scores

3
16

Clinical Significance

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

Conservation

PhyloP100: 3.04
Variant links:
Genes affected
MEF2C (HGNC:6996): (myocyte enhancer factor 2C) This locus encodes a member of the MADS box transcription enhancer factor 2 (MEF2) family of proteins, which play a role in myogenesis. The encoded protein, MEF2 polypeptide C, has both trans-activating and DNA binding activities. This protein may play a role in maintaining the differentiated state of muscle cells. Mutations and deletions at this locus have been associated with severe cognitive disability, stereotypic movements, epilepsy, and cerebral malformation. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jul 2010]
MEF2C-AS2 (HGNC:53115): (MEF2C antisense RNA 2)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), MEF2C. . Gene score misZ 3.9523 (greater than the threshold 3.09). Trascript score misZ 4.8218 (greater than threshold 3.09). GenCC has associacion of gene with intellectual disability, autosomal dominant 20, complex neurodevelopmental disorder.
BP4
Computational evidence support a benign effect (MetaRNN=0.15200692).
BP6
Variant 5-88728572-C-T is Benign according to our data. Variant chr5-88728572-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 211492.We mark this variant Likely_benign, oryginal submissions are: {Uncertain_significance=1, Likely_benign=1, Benign=1}.
BS2
High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MEF2CNM_002397.5 linkuse as main transcriptc.1021G>A p.Ala341Thr missense_variant 10/11 ENST00000504921.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MEF2CENST00000504921.7 linkuse as main transcriptc.1021G>A p.Ala341Thr missense_variant 10/111 NM_002397.5 Q06413-1
MEF2C-AS2ENST00000657578.1 linkuse as main transcriptn.232-33425C>T intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000651
AC:
1
AN:
153582
Hom.:
0
AF XY:
0.0000123
AC XY:
1
AN XY:
81014
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000166
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000507
AC:
7
AN:
1380488
Hom.:
0
Cov.:
30
AF XY:
0.00000735
AC XY:
5
AN XY:
680350
show subpopulations
Gnomad4 AFR exome
AF:
0.0000322
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000468
Gnomad4 OTH exome
AF:
0.0000175
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378

ClinVar

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

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenFeb 01, 2023MEF2C: PM2, PP2 -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoJul 20, 2015- -
Intellectual disability, autosomal dominant 20 Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeSep 07, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.068
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.48
CADD
Uncertain
23
DANN
Benign
0.96
DEOGEN2
Benign
0.086
T;.;.;T;.;.;T;T;.;T;.;.;.;.;T;T;.;.;.;.;.;.
Eigen
Benign
-0.053
Eigen_PC
Benign
0.19
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Uncertain
0.86
.;D;.;D;.;D;.;D;.;D;D;.;D;.;D;D;D;D;D;D;D;D
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.15
T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
N;.;.;.;N;.;N;.;N;.;.;N;N;.;N;.;.;.;.;.;.;.
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D;D
PrimateAI
Uncertain
0.77
T
PROVEAN
Benign
-0.71
N;N;N;.;.;.;N;.;N;N;N;.;N;.;.;.;N;.;.;.;.;.
REVEL
Benign
0.14
Sift
Benign
0.47
T;T;T;.;.;.;T;.;T;T;T;.;T;.;.;.;T;.;.;.;.;.
Sift4G
Benign
0.64
T;T;T;.;.;T;T;T;T;T;T;.;T;T;.;T;T;T;T;.;T;T
Polyphen
0.0060
B;.;.;.;.;.;B;.;.;.;.;.;.;P;B;.;P;.;.;.;.;.
Vest4
0.24
MutPred
0.23
Gain of disorder (P = 0.1115);.;.;.;Gain of disorder (P = 0.1115);.;Gain of disorder (P = 0.1115);.;Gain of disorder (P = 0.1115);.;Gain of disorder (P = 0.1115);Gain of disorder (P = 0.1115);Gain of disorder (P = 0.1115);.;Gain of disorder (P = 0.1115);.;.;.;.;.;.;.;
MVP
0.49
MPC
1.3
ClinPred
0.40
T
GERP RS
5.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.088
gMVP
0.37

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: rs797045703; hg19: chr5-88024389; API