Tyrphostin A23

**Semantic type:** Amino Acid, Peptide, or Protein|Pharmacologic Substance

**Definition:** A broad spectrum protein tyrosine kinase inhibitor that inhibits epidermal growth factor receptor, GTPase activity of transducin, aldosterone secretion in response to Angiotensin II, and suppresses the activation of MAP kinases. (NCI)

**Synonyms:** - AG 18 - TYRPHOSTIN A23