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GeneBe

20-32019207-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001365692.1(CCM2L):​c.731G>A​(p.Ser244Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

CCM2L
NM_001365692.1 missense

Scores

2
4
12

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.05
Variant links:
Genes affected
CCM2L (HGNC:16153): (CCM2 like scaffold protein) Predicted to act upstream of or within several processes, including heart development; negative regulation of homotypic cell-cell adhesion; and positive regulation of fibroblast growth factor production. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14873642).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CCM2LNM_001365692.1 linkuse as main transcriptc.731G>A p.Ser244Asn missense_variant 5/10 ENST00000452892.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CCM2LENST00000452892.3 linkuse as main transcriptc.731G>A p.Ser244Asn missense_variant 5/102 NM_001365692.1 P1Q9NUG4-1
CCM2LENST00000262659.12 linkuse as main transcriptc.731G>A p.Ser244Asn missense_variant 5/91 Q9NUG4-2
ENST00000662576.1 linkuse as main transcriptn.815+9721C>T intron_variant, non_coding_transcript_variant
ENST00000653258.1 linkuse as main transcriptn.704+9721C>T intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
998512
Hom.:
0
Cov.:
17
AF XY:
0.00
AC XY:
0
AN XY:
474796
Gnomad4 AFR exome
AF:
0.00
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.50
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.41
CADD
Benign
22
DANN
Uncertain
0.99
Eigen
Benign
-0.24
Eigen_PC
Benign
-0.11
FATHMM_MKL
Uncertain
0.87
D
LIST_S2
Benign
0.53
T
M_CAP
Pathogenic
0.46
D
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-0.93
T
MutationAssessor
Benign
1.1
L
MutationTaster
Benign
1.0
N;N
PrimateAI
Pathogenic
0.96
D
PROVEAN
Benign
-0.44
N
REVEL
Benign
0.13
Sift
Uncertain
0.023
D
Sift4G
Benign
0.26
T
Polyphen
0.0010
B
Vest4
0.17
MutPred
0.26
Loss of glycosylation at S244 (P = 0.0077);
MVP
0.52
MPC
0.97
ClinPred
0.42
T
GERP RS
3.0
gMVP
0.096

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr20-30607010; API