chr7-55157738-G-A

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PP3_StrongPP5_Moderate

The NM_005228.5(EGFR):​c.1283G>A​(p.Gly428Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000616 in 1,461,876 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G428S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

EGFR
NM_005228.5 missense

Scores

14
3
2

Clinical Significance

Pathogenic criteria provided, single submitter P:2

Conservation

PhyloP100: 9.57

Publications

32 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 Gene-Disease associations (from GenCC):
  • lung cancer
    Inheritance: AD Classification: DEFINITIVE Submitted by: G2P, Ambry Genetics
  • non-small cell lung carcinoma
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • inflammatory skin and bowel disease, neonatal, 2
    Inheritance: AR Classification: STRONG, MODERATE, LIMITED Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P
  • neonatal inflammatory skin and bowel disease
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.948
PP5
Variant 7-55157738-G-A is Pathogenic according to our data. Variant chr7-55157738-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 157499.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
EGFRNM_005228.5 linkc.1283G>A p.Gly428Asp missense_variant Exon 11 of 28 ENST00000275493.7 NP_005219.2 P00533-1Q504U8F2YGG7

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
EGFRENST00000275493.7 linkc.1283G>A p.Gly428Asp missense_variant Exon 11 of 28 1 NM_005228.5 ENSP00000275493.2 P00533-1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251476
AF XY:
0.00000736
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:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000616
AC:
9
AN:
1461876
Hom.:
0
Cov.:
31
AF XY:
0.00000963
AC XY:
7
AN XY:
727234
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33478
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53414
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.00000719
AC:
8
AN:
1112006
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
Cov.:
33
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

EGFR-related lung cancer Pathogenic:1
Jan 11, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces glycine, which is neutral and non-polar, with aspartic acid, which is acidic and polar, at codon 428 of the EGFR protein (p.Gly428Asp). This variant is present in population databases (rs606231253, gnomAD no frequency). This missense change has been observed in individuals with neonatal inflammatory skin and bowel disease (PMID: 24691054, 26436111, 32602142). It has also been observed to segregate with disease in related individuals. ClinVar contains an entry for this variant (Variation ID: 157499). Invitae Evidence Modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) indicates that this missense variant is expected to disrupt EGFR protein function with a positive predictive value of 80%. Experimental studies have shown that this missense change affects EGFR function (PMID: 24691054, 26436111). For these reasons, this variant has been classified as Pathogenic. -

Inflammatory skin and bowel disease, neonatal, 2 Pathogenic:1
Oct 01, 2014
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
1.0
BayesDel_addAF
Pathogenic
0.36
D
BayesDel_noAF
Pathogenic
0.28
CADD
Pathogenic
30
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.89
D;.;D;.;D;.
Eigen
Pathogenic
1.1
Eigen_PC
Pathogenic
1.0
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.93
D;D;D;D;D;D
M_CAP
Benign
0.065
D
MetaRNN
Pathogenic
0.95
D;D;D;D;D;D
MetaSVM
Uncertain
0.23
D
MutationAssessor
Pathogenic
4.3
.;H;.;H;H;.
PhyloP100
9.6
PrimateAI
Pathogenic
0.82
D
PROVEAN
Pathogenic
-6.2
D;D;.;D;D;.
REVEL
Pathogenic
0.91
Sift
Pathogenic
0.0
D;D;.;D;D;.
Sift4G
Pathogenic
0.0
D;D;D;D;D;.
Polyphen
1.0
D;D;.;D;D;.
Vest4
0.93
MutPred
0.85
.;Gain of loop (P = 0.1069);.;Gain of loop (P = 0.1069);Gain of loop (P = 0.1069);.;
MVP
0.91
MPC
1.7
ClinPred
1.0
D
GERP RS
5.9
Varity_R
0.99
gMVP
0.99
Mutation Taster
=0/100
disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs606231253; hg19: chr7-55225431; API