Genetic Variant CAMTA1:c.45+18A>G (chr1-6785593-A-G) – ACMG Classification: Benign (-10 pts)

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_015215.4(CAMTA1):c.45+18A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000349 in 888,544 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 25)

Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

CAMTA1
NM_015215.4 intron

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.592

Publications

0 publications found

Variant links:

Genes affected

CAMTA1 (HGNC:18806): (calmodulin binding transcription activator 1) The protein encoded by this gene contains a CG1 DNA-binding domain, a transcription factor immunoglobulin domain, ankyrin repeats, and calmodulin-binding IQ motifs. The encoded protein is thought to be a transcription factor and may be a tumor suppressor. However, a translocation event is sometimes observed between this gene and the WWTR1 gene, with the resulting WWTR1-CAMTA1 oncoprotein leading to epithelioid hemangioendothelioma, a malignant vascular cancer. [provided by RefSeq, Mar 2017]

CAMTA1 Gene-Disease associations (from GenCC):

cerebellar dysfunction with variable cognitive and behavioral abnormalities
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, Orphanet

CAMTA1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.5).

BP6

Variant 1-6785593-A-G is Benign according to our data. Variant chr1-6785593-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 1914392.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High AC in GnomAdExome4 at 31 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CAMTA1	NM_015215.4 link	c.45+18A>G		intron_variant	Intron 1 of 22	ENST00000303635.12	NP_056030.1	Q9Y6Y1-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CAMTA1	ENST00000303635.12 link	c.45+18A>G		intron_variant	Intron 1 of 22	1	NM_015215.4	ENSP00000306522.6		Q9Y6Y1-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000939

AC:

AN:

31946

AF XY:

0.0000554

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000257

Gnomad OTH exome

AF:

0.00139

GnomAD4 exome

AF:

0.0000349

AC:

AN:

888544

Hom.:

Cov.:

AF XY:

0.0000263

AC XY:

AN XY:

418142

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

16594

American (AMR)

AF:

0.00

AC:

AN:

5050

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

7616

East Asian (EAS)

AF:

0.00

AC:

AN:

4422

South Asian (SAS)

AF:

0.00

AC:

AN:

24824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

16936

Middle Eastern (MID)

AF:

0.00

AC:

AN:

1996

European-Non Finnish (NFE)

AF:

0.0000396

AC:

AN:

781846

Other (OTH)

AF:

0.00

AC:

AN:

29260

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000936

Hom.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Oct 08, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.50

CADD

Benign

(source)

DANN

Benign

0.57

PhyloP100

-0.59

PromoterAI

-0.023

Neutral

(source)

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

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1-6785593-A-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over