dbSNP rs483352808: EGFR:p.Gly824Asp (chr7-55191720-G-A) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_005228.5(EGFR):c.2471G>A(p.Gly824Asp) variant causes a missense, splice region change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 15/24 in silico tools predict a damaging outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as drug response (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G824R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Consequence

EGFR
NM_005228.5 missense, splice_region

Scores

Splicing: ADA: 0.9913

Clinical Significance

drug response no assertion criteria provided O:1

Conservation

PhyloP100: 9.96

Publications

10 publications found

Variant links:

Genes affected

EGFR (HGNC:3236): (epidermal growth factor receptor) The protein encoded by this gene is a transmembrane glycoprotein that is a member of the protein kinase superfamily. This protein is a receptor for members of the epidermal growth factor family. EGFR is a cell surface protein that binds to epidermal growth factor, thus inducing receptor dimerization and tyrosine autophosphorylation leading to cell proliferation. Mutations in this gene are associated with lung cancer. EGFR is a component of the cytokine storm which contributes to a severe form of Coronavirus Disease 2019 (COVID-19) resulting from infection with severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). [provided by RefSeq, Jul 2020]

EGFR links:

EGFR-AS1 (HGNC:40207): (EGFR antisense RNA 1)

EGFR-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. No scorers claiming Uncertain. Scorers claiming Benign: max_spliceai.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005228.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
EGFR	NM_005228.5	MANE Select	c.2471G>A	p.Gly824Asp	missense splice_region	Exon 21 of 28	NP_005219.2
EGFR	NM_001346899.2		c.2336G>A	p.Gly779Asp	missense splice_region	Exon 20 of 27	NP_001333828.1
EGFR	NM_001346900.2		c.2312G>A	p.Gly771Asp	missense splice_region	Exon 21 of 28	NP_001333829.1	C9JYS6

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
EGFR	ENST00000275493.7	TSL:1 MANE Select	c.2471G>A	p.Gly824Asp	missense splice_region	Exon 21 of 28	ENSP00000275493.2	P00533-1
EGFR	ENST00000455089.5	TSL:1	c.2336G>A	p.Gly779Asp	missense splice_region	Exon 20 of 26	ENSP00000415559.1	Q504U8
EGFR	ENST00000898199.1		c.2462G>A	p.Gly821Asp	missense splice_region	Exon 21 of 28	ENSP00000568258.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00

AC:

AN:

250850

AF XY:

0.00

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ExAC

AF:

0.00000824

AC:

ClinVar

ClinVar submissions

Significance:drug response

Revision:no assertion criteria provided

View on ClinVar

Pathogenic

VUS

Benign

Condition

Squamous cell carcinoma of the head and neck (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

1.0

BayesDel_addAF

Pathogenic

0.42

BayesDel_noAF

Pathogenic

0.36

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.86

Eigen

Pathogenic

1.2

Eigen_PC

Pathogenic

1.1

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Pathogenic

0.98

M_CAP

Pathogenic

0.49

MetaRNN

Pathogenic

0.97

MetaSVM

Uncertain

0.76

MutationAssessor

Pathogenic

4.6

PhyloP100

PrimateAI

Pathogenic

0.92

PROVEAN

Pathogenic

-6.3

REVEL

Pathogenic

0.91

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0040

Polyphen

1.0

Vest4

0.93

MutPred

0.85

Loss of ubiquitination at K823 (P = 0.1778)

MVP

0.91

MPC

1.7

ClinPred

1.0

GERP RS

5.8

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.99

gMVP

0.99

Mutation Taster

=3/97

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Pathogenic

0.99

dbscSNV1_RF

Pathogenic

0.89

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over