Genetic Variant NM_001429.4:c.6586G>A (chr22-41178297-G-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001429.4(EP300):c.6586G>A(p.Gly2196Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,888 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as not provided (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G2196A) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

EP300
NM_001429.4 missense

Scores

Clinical Significance

not provided no classification provided O:1

Conservation

PhyloP100: 2.03

Publications

1 publications found

Variant links:

Genes affected

EP300 (HGNC:3373): (E1A binding protein p300) This gene encodes the adenovirus E1A-associated cellular p300 transcriptional co-activator protein. It functions as histone acetyltransferase that regulates transcription via chromatin remodeling and is important in the processes of cell proliferation and differentiation. It mediates cAMP-gene regulation by binding specifically to phosphorylated CREB protein. This gene has also been identified as a co-activator of HIF1A (hypoxia-inducible factor 1 alpha), and thus plays a role in the stimulation of hypoxia-induced genes such as VEGF. Defects in this gene are a cause of Rubinstein-Taybi syndrome and may also play a role in epithelial cancer. [provided by RefSeq, Jul 2008]

EP300 links:

EP300-AS1 (HGNC:50504): (EP300 antisense RNA 1)

EP300-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
EP300	NM_001429.4 link	c.6586G>A	p.Gly2196Arg	missense_variant	Exon 31 of 31	ENST00000263253.9	NP_001420.2	Q09472Q7Z6C1
EP300	NM_001362843.2 link	c.6508G>A	p.Gly2170Arg	missense_variant	Exon 30 of 30		NP_001349772.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EP300	ENST00000263253.9 link	c.6586G>A	p.Gly2196Arg	missense_variant	Exon 31 of 31	1	NM_001429.4	ENSP00000263253.7		Q09472

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461888

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112010

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: not provided

Submissions summary: Other:1

Revision: no classification provided

LINK: link

Submissions by phenotype

not specified

Other:1

Sep 19, 2013

ITMI

Significance:not provided

Review Status:no classification provided

Collection Method:reference population

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.70

BayesDel_addAF

Uncertain

0.051

BayesDel_noAF

Benign

-0.16

CADD

Benign

(source)

DANN

Benign

0.82

DEOGEN2

Uncertain

0.48

Eigen

Benign

0.077

Eigen_PC

Benign

0.17

FATHMM_MKL

Benign

0.75

LIST_S2

Uncertain

0.88

M_CAP

Uncertain

0.16

MetaRNN

Uncertain

0.55

MetaSVM

Benign

-0.29

MutationAssessor

Benign

1.2

PhyloP100

2.0

PrimateAI

Uncertain

0.54

PROVEAN

Benign

-0.35

REVEL

Benign

0.28

Sift

Benign

0.064

Sift4G

Uncertain

0.059

Polyphen

0.74

Vest4

0.55

MutPred

0.26

Gain of MoRF binding (P = 0.0141);

MVP

0.81

ClinPred

0.34

GERP RS

5.2

Varity_R

0.080

gMVP

0.61

Mutation Taster

=83/17

polymorphism

(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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over