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Compound class: Synthetic organic
Comment: Compound 29 binds to the JH2 pseudokinase domain of the Janus kinase family enzyme, TYK2 .
Various cytokines and their receptors mediate intracellular signalling through pairs of Janus kinase family enzymes. TYK2 dimerises with JAK2 to mediate IL-12 and IL-23 signalling (both are p40 subunit containing cytokines), and with JAK1 for the IFNα/β pathway. Both of these TYK2-dependent pathways are validated as druggable targets for the development of pharmaceuticals for the treatment of autoimmune diseases. Displacement of the ATP that binds to the JH2 pseudokinase domain allosterically disrupts TYK2 catalytic activity, in a mechanism that appears to stablise the kinase in an auto-inhibitory conformation. Expolting this domain is being investigated with the aim of identifying inhibitors with improved selectivity compared to traditional orthosteric JH1 domain ATP-competitive inhibitors.
Ligand Activity Visualisation Charts
These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.✖