rs1057519847

chr7-55191821-CT-AAchr7-55191821-CT-AG

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM1 PM5 PP3

The NM_005228.5(EGFR):c.2572_2573delinsAA(p.Leu858Lys) variant causes a missense change involving the alteration of a conserved nucleotide. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L858R) has been classified as Likely pathogenic.

• Frequency: Genomes: not found (cov: 32)
• Consequence: EGFR NM_005228.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 7.96

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]

ACMG classification

Verdict is Uncertain_significance. Variant got 5 ACMG points.

• PM1: In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 10 uncertain in NM_005228.5
• PM5: Other missense variant is known to change same aminoacid residue: Variant chr7-55191822-T-G is described in ClinVar as [drug_response]. Clinvar id is 16609.Status of the report is reviewed_by_expert_panel, 3 stars. We mark this variant Likely_pathogenic, oryginal submissions are: {Pathogenic=2, drug_response=1, other=2}.
• PP3: No computational evidence supports a deleterious effect, but strongly conserved according to phyloP

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
EGFR	NM_005228.5	c.2572_2573delinsAA	p.Leu858Lys	missense_variant	21/28	ENST00000275493.7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
EGFR	ENST00000275493.7	c.2572_2573delinsAA	p.Leu858Lys	missense_variant	21/28	1	NM_005228.5	P1
EGFR	ENST00000455089.5	c.2437_2438delinsAA	p.Leu813Lys	missense_variant	20/26	1
EGFR	ENST00000450046.2	c.2413_2414delinsAA	p.Leu805Lys	missense_variant	21/28	4
EGFR	ENST00000700145.1	c.899+22_899+23delinsAA		intron_variant

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr7-55259514; COSMIC: COSV51798115;