Cited by 706HER2/EGFR in Cancer ResearchProtein Kinase Regulation and GTPase SignalingLung Cancer Treatments and Mutations

Autophosphorylation sites on the epidermal growth factor receptor

Downward, J., Parker, P., Waterfield, M. D.·1984·Nature

Abstract

The epidermal growth factor (EGF) receptor is a tyrosine-specific protein kinase with autophosphorylating activity. A 300 amino acid-long region of the receptor's cytoplasmic domain matches (35-90% homology) sequences of transforming proteins from the src family and includes a putative nucleotide binding site. Several of the src transforming proteins have tyrosine kinase activity, but v-erb-B, which appears to be a truncated EGF receptor, is virtually identical to the receptor over this region and yet lacks detectable kinase activity. To locate possible acceptor sites in the v-erb-B protein, we have mapped these sites in the human EGF receptor. We report here that three tyrosine sites near the C-terminus are phosphorylated in vitro. In intact cells, we find that EGF stimulates phosphorylation of several sites, the tyrosine 14 residues from the C-terminus being modified the most extensively. The equivalent site is absent in the v-erb-B protein of avian erythroblastosis virus (AEV) and may influence tyrosine kinase activity.

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Crossref · 10.1038/311483a0

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Authors
Downward, J., Parker, P., & Waterfield, M. D.
Venue
Nature
Published
1984-10
Volume
311
Issue
5985
Pages
483-485
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2056681493
Cited by
704
References
22
Citations by year
2026: 2 · 2025: 7 · 2024: 5 · 2023: 5 · 2022: 11 · 2021: 14 · 2020: 9 · 2019: 9 · 2018: 11 · 2017: 16 · 2016: 15 · 2015: 13 · 2014: 17 · 2013: 18 · 2012: 15
FWCI
22.58
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Oncology › HER2/EGFR in Cancer Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Lung Cancer Treatments and Mutations
Keywords
epidermal growth factor receptor, autophosphorylation, tyrosine kinase, autophosphorylation sites, avian erythroblastosis virus, receptor cytoplasmic domain, kinase activity, transforming protein
MeSH terms
Amino Acid Sequence, Epidermal Growth Factor, Humans, Phosphorylation, Receptors, Cell Surface, Tyrosine, ErbB Receptors

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