chr7-45063882-A-G

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_031443.4(CCM2):​c.205-36A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.218 in 1,443,514 control chromosomes in the GnomAD database, including 35,487 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.22 ( 3818 hom., cov: 31)
Exomes 𝑓: 0.22 ( 31669 hom. )

Consequence

CCM2
NM_031443.4 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.908
Variant links:
Genes affected
CCM2 (HGNC:21708): (CCM2 scaffold protein) This gene encodes a scaffold protein that functions in the stress-activated p38 Mitogen-activated protein kinase (MAPK) signaling cascade. The protein interacts with SMAD specific E3 ubiquitin protein ligase 1 (also known as SMURF1) via a phosphotyrosine binding domain to promote RhoA degradation. The protein is required for normal cytoskeletal structure, cell-cell interactions, and lumen formation in endothelial cells. Mutations in this gene result in cerebral cavernous malformations. Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Nov 2009]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.72).
BP6
Variant 7-45063882-A-G is Benign according to our data. Variant chr7-45063882-A-G is described in ClinVar as [Benign]. Clinvar id is 261967.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.25 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CCM2NM_031443.4 linkuse as main transcriptc.205-36A>G intron_variant ENST00000258781.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CCM2ENST00000258781.11 linkuse as main transcriptc.205-36A>G intron_variant 1 NM_031443.4 P1Q9BSQ5-1

Frequencies

GnomAD3 genomes
AF:
0.225
AC:
33992
AN:
151360
Hom.:
3813
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.254
Gnomad AMI
AF:
0.170
Gnomad AMR
AF:
0.257
Gnomad ASJ
AF:
0.181
Gnomad EAS
AF:
0.190
Gnomad SAS
AF:
0.212
Gnomad FIN
AF:
0.205
Gnomad MID
AF:
0.136
Gnomad NFE
AF:
0.210
Gnomad OTH
AF:
0.192
GnomAD3 exomes
AF:
0.230
AC:
57695
AN:
250714
Hom.:
7109
AF XY:
0.223
AC XY:
30173
AN XY:
135542
show subpopulations
Gnomad AFR exome
AF:
0.248
Gnomad AMR exome
AF:
0.358
Gnomad ASJ exome
AF:
0.181
Gnomad EAS exome
AF:
0.197
Gnomad SAS exome
AF:
0.218
Gnomad FIN exome
AF:
0.207
Gnomad NFE exome
AF:
0.207
Gnomad OTH exome
AF:
0.209
GnomAD4 exome
AF:
0.218
AC:
281121
AN:
1292036
Hom.:
31669
Cov.:
18
AF XY:
0.216
AC XY:
140664
AN XY:
652286
show subpopulations
Gnomad4 AFR exome
AF:
0.255
Gnomad4 AMR exome
AF:
0.345
Gnomad4 ASJ exome
AF:
0.180
Gnomad4 EAS exome
AF:
0.177
Gnomad4 SAS exome
AF:
0.217
Gnomad4 FIN exome
AF:
0.206
Gnomad4 NFE exome
AF:
0.215
Gnomad4 OTH exome
AF:
0.207
GnomAD4 genome
AF:
0.225
AC:
34027
AN:
151478
Hom.:
3818
Cov.:
31
AF XY:
0.224
AC XY:
16575
AN XY:
73958
show subpopulations
Gnomad4 AFR
AF:
0.254
Gnomad4 AMR
AF:
0.257
Gnomad4 ASJ
AF:
0.181
Gnomad4 EAS
AF:
0.191
Gnomad4 SAS
AF:
0.212
Gnomad4 FIN
AF:
0.205
Gnomad4 NFE
AF:
0.210
Gnomad4 OTH
AF:
0.189
Alfa
AF:
0.215
Hom.:
632
Bravo
AF:
0.233
Asia WGS
AF:
0.197
AC:
688
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesOct 07, 2013- -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxMar 03, 2015- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.72
CADD
Benign
1.0
DANN
Benign
0.72

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: rs2304689; hg19: chr7-45103481; COSMIC: COSV51847240; COSMIC: COSV51847240; API