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Compound class: Synthetic organic
Comment: Proteolix (later Onyx Pharmaceuticals, now Amgen) developed the peptidomimetic inhibitor PR-957 (ONX-0914), which selectively inhibited the chymotrypsin-like activity of LMP7. This blocked presentation of LMP7-specific, MHC-I-restricted antigens and reduced immunoproteasome production of pro-inflammatory cytokines such as IL-6, IFN-γ, TNF-α and IL-23 . Note there are at least 6 isomeric alternatives for this structure including ChEMBL entries and SureChEMBL patent mappings (see "same connectivity" links in the PubChem CID entry).
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.✖
1. Muchamuel T, Basler M, Aujay MA, Suzuki E, Kalim KW, Lauer C, Sylvain C, Ring ER, Shields J, Jiang J et al.. (2009)
A selective inhibitor of the immunoproteasome subunit LMP7 blocks cytokine production and attenuates progression of experimental arthritis.
Nat Med, 15 (7): 781-7. [PMID:19525961]