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The receptor tyrosine kinase (RTK) pathway is carefully regulated by a variety of positive and negative feedback loops. [24] Because RTKs coordinate a wide variety of cellular functions such as cell proliferation and differentiation, they must be regulated to prevent severe abnormalities in cellular functioning such as cancer and fibrosis.
The abbreviation trk (often pronounced 'track') stands for tropomyosin receptor kinase or tyrosine receptor kinase [1] [4] (and not "tyrosine kinase receptor" nor "tropomyosin-related kinase", as has been commonly mistaken). The family of Trk receptors is named for the oncogene trk, whose identification led to the discovery of its first member ...
Many receptor enzymes have closely related structure and receptor tyrosine kinase activity, and it has been determined that the foundational or prototypical receptor enzyme is insulin. [2] Insulin receptor substrates IRS2 and IRS3 each have unique characteristic tissue function and distribution that serves to enhance signaling capabilities in ...
All four ErbB receptor family members are nearly same in the structure having single-chain of modular glycoproteins. [4] This structure is made up of an extracellular region or ectodomain or ligand binding region that contains approximately 620 amino acids, a single transmembrane-spanning region containing approximately 23 residues, and an intracellular cytoplasmic tyrosine kinase domain ...
The TrkB receptor is part of the large family of receptor tyrosine kinases. A "tyrosine kinase" is an enzyme which is capable of adding a phosphate group to certain tyrosines on target proteins, or "substrates". A receptor tyrosine kinase is a "tyrosine kinase" which is located at the cellular membrane, and is activated by binding of a ligand ...
Receptor tyrosine-protein kinase erbB-4 is a receptor tyrosine kinase that is a member of the epidermal growth factor receptor family.ERBB4 is a single-pass type I transmembrane protein with multiple furin-like cysteine rich domains, a tyrosine kinase domain, a phosphotidylinositol-3 kinase binding site and a PDZ domain binding motif.
The protein encoded by this gene is a member of the ALK/LTK receptor family of receptor tyrosine kinases (RTKs) whose ligand is unknown. [7] Closely related to the insulin receptor family of RTKs. Tyrosine-specific phosphorylation of proteins is a key to the control of diverse pathways leading to cell growth and differentiation.
Tyrosine-protein kinase receptor UFO is a protein that in human is encoded by the AXL gene. [ 5 ] [ 6 ] The gene was initially designated as UFO, in allusion to the unidentified function of this protein. [ 7 ]