Target intelligence / Profile preview

Non-receptor Protein Tyrosine Kinase

Molecular classification
Enzyme, Protein Kinase, Non-receptor tyrosine kinase
01

Overview

Non-receptor protein tyrosine kinases (nRTKs) are cytosolic enzymes that catalyze the transfer of a phosphate group from ATP to tyrosine residues on substrate proteins. They play central roles in signal transduction for immune receptors and regulation of cell growth, proliferation, differentiation, adhesion, migration, and apoptosis. Dysregulation can lead to immunodeficiencies or contribute to oncogenesis. Examples include HCK, CSK, Lck, Lyn, and Zap70. They participate in immune system pathways, including chemokine and T cell receptor signaling pathways.

Other names
Non-specific protein-tyrosine kinaseCytoplasmic protein tyrosine kinase
02

Mechanism of action

Tyrosine kinase inhibition

03

Biological functions

Signal transductionImmune regulationCell growthCell proliferationCell differentiationApoptosisCell migrationCell adhesion
04

Disease associations

CancerImmunodeficiencyInflammation
05

Safety considerations

Potential for off-target effects due to broad role in cellular signalingDrug resistance

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