chr7-55173924-G-C

Variant names:

• chr7-55173924-G-C
• rs397517083
• NM_005228.5:c.2065G>C

Variant summary

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

The NM_005228.5(EGFR):​c.2065G>C​(p.Val689Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (no stars).

• Frequency: Genomes: not found (cov: 33)
• Consequence: EGFR NM_005228.5 missense
• Clinical Significance: Uncertain significance no assertion criteria provided U:1
• Conservation: PhyloP100: 9.88
• Publications: 27 publications found

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

ACMG classification

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
EGFR	NM_005228.5	c.2065G>C	p.Val689Leu	missense_variant	Exon 18 of 28	ENST00000275493.7	NP_005219.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
EGFR	ENST00000275493.7	c.2065G>C	p.Val689Leu	missense_variant	Exon 18 of 28	1	NM_005228.5	ENSP00000275493.2
EGFR	ENST00000455089.5	c.1930G>C	p.Val644Leu	missense_variant	Exon 17 of 26	1		ENSP00000415559.1
EGFR	ENST00000450046.2	c.1906G>C	p.Val636Leu	missense_variant	Exon 18 of 28	4		ENSP00000413354.2
EGFR	ENST00000700145.1	c.412G>C	p.Val138Leu	missense_variant	Exon 5 of 9			ENSP00000514824.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: no assertion criteria provided

Submissions by phenotype

not specified Uncertain:1

Mar 01, 2008

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance: Uncertain significance

Review Status: no assertion criteria provided

Collection Method: clinical testing

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Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.81
BayesDel_addAF	Uncertain	0.16	D
BayesDel_noAF	Uncertain	-0.010
CADD	Uncertain	25
DANN	Uncertain	0.99
DEOGEN2	Benign	0.31	T;T;D
Eigen	Uncertain	0.28
Eigen_PC	Uncertain	0.26
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.96	D;D;D
M_CAP	Benign	0.060	D
MetaRNN	Uncertain	0.55	D;D;D
MetaSVM	Uncertain	-0.19	T
MutationAssessor	Uncertain	2.6	.;.;M
PhyloP100		9.9
PrimateAI	Pathogenic	0.81	D
PROVEAN	Benign	-2.3	N;.;D
REVEL	Uncertain	0.38
Sift	Benign	0.088	T;.;T
Sift4G	Benign	0.18	T;T;T
Polyphen		0.59	P;.;P
Vest4		0.67
MutPred		0.28		.;.;Gain of disorder (P = 0.1045);
MVP		0.78
MPC		1.4
ClinPred		0.97	D
GERP RS		5.5
Varity_R		0.67
gMVP		0.67
Mutation Taster		=60/40	polymorphism

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

Other links and lift over

dbSNP: rs397517083; hg19: chr7-55241617;