Tags: Enzyme.
Receptor tyrosine kinases (RTK)s are the high-affinity cell surface receptors for many polypeptide growth factors cytokines and hormones. Of the 90 unique tyrosine kinase genes identified in the human genome 58 encode receptor tyrosine kinase proteins.Receptor tyrosine kinases have been shown not only to be key regulators of normal cellular processes but also to have a critical role in the development and progression of many types of cancer.
