chr20-33677525-C-T

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6BP7BS2

The NM_005225.3(E2F1):​c.741G>A​(p.Thr247=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000905 in 1,613,974 control chromosomes in the GnomAD database, including 9 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: 𝑓 0.0045 ( 4 hom., cov: 32)
Exomes 𝑓: 0.00053 ( 5 hom. )

Consequence

E2F1
NM_005225.3 synonymous

Scores

2

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: 0.394
Variant links:
Genes affected
E2F1 (HGNC:3113): (E2F transcription factor 1) The protein encoded by this gene is a member of the E2F family of transcription factors. The E2F family plays a crucial role in the control of cell cycle and action of tumor suppressor proteins and is also a target of the transforming proteins of small DNA tumor viruses. The E2F proteins contain several evolutionally conserved domains found in most members of the family. These domains include a DNA binding domain, a dimerization domain which determines interaction with the differentiation regulated transcription factor proteins (DP), a transactivation domain enriched in acidic amino acids, and a tumor suppressor protein association domain which is embedded within the transactivation domain. This protein and another 2 members, E2F2 and E2F3, have an additional cyclin binding domain. This protein binds preferentially to retinoblastoma protein pRB in a cell-cycle dependent manner. It can mediate both cell proliferation and p53-dependent/independent apoptosis. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.52).
BP6
Variant 20-33677525-C-T is Benign according to our data. Variant chr20-33677525-C-T is described in ClinVar as [Benign]. Clinvar id is 3037820.Status of the report is no_assertion_criteria_provided, 0 stars.
BP7
Synonymous conserved (PhyloP=0.394 with no splicing effect.
BS2
High AC in GnomAd4 at 690 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
E2F1NM_005225.3 linkuse as main transcriptc.741G>A p.Thr247= synonymous_variant 5/7 ENST00000343380.6
E2F1XM_047439961.1 linkuse as main transcriptc.742G>A p.Val248Met missense_variant 5/5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
E2F1ENST00000343380.6 linkuse as main transcriptc.741G>A p.Thr247= synonymous_variant 5/71 NM_005225.3 P1

Frequencies

GnomAD3 genomes
AF:
0.00453
AC:
689
AN:
152154
Hom.:
4
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0154
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00157
Gnomad ASJ
AF:
0.00317
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00383
GnomAD3 exomes
AF:
0.00119
AC:
300
AN:
251140
Hom.:
3
AF XY:
0.000943
AC XY:
128
AN XY:
135720
show subpopulations
Gnomad AFR exome
AF:
0.0148
Gnomad AMR exome
AF:
0.000869
Gnomad ASJ exome
AF:
0.00219
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000528
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.000527
AC:
770
AN:
1461702
Hom.:
5
Cov.:
33
AF XY:
0.000454
AC XY:
330
AN XY:
727156
show subpopulations
Gnomad4 AFR exome
AF:
0.0153
Gnomad4 AMR exome
AF:
0.000873
Gnomad4 ASJ exome
AF:
0.00176
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000791
Gnomad4 OTH exome
AF:
0.00123
GnomAD4 genome
AF:
0.00453
AC:
690
AN:
152272
Hom.:
4
Cov.:
32
AF XY:
0.00427
AC XY:
318
AN XY:
74456
show subpopulations
Gnomad4 AFR
AF:
0.0154
Gnomad4 AMR
AF:
0.00157
Gnomad4 ASJ
AF:
0.00317
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00379
Alfa
AF:
0.00191
Hom.:
2
Bravo
AF:
0.00514
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

E2F1-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesJun 18, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.52
CADD
Benign
13
DANN
Benign
0.71
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.18
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: rs35807460; hg19: chr20-32265331; COSMIC: COSV55778966; COSMIC: COSV55778966; API