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ONX-0914

ONX-0914 (PR-957) is a selective inhibitor of low-molecular mass polypeptide-7 (LMP7), the chymotrypsin-like subunit of the immunoproteasome. ONX-0914 blocks cytokine production and attenuates progression of experimental arthritis. ONX-0914 is a noncompetitive irreversible inhibitor of the mycobacterial proteasome (Ki=5.2 μM) . ONX-0914 reactivates latent HIV-1 through p-TEFb activation mediated by HSF-1[1][2][3].

Product Specifications

CAS Number

960374-59-8

Product Name Alternative

PR-957

UNSPSC

12352005

Hazard Statement

H302, H315, H319, H335

Target

Bacterial; HIV; Proteasome

Type

Reference compound

Related Pathways

Anti-infection; Metabolic Enzyme/Protease

Applications

COVID-19-immunoregulation

Field of Research

Infection; Inflammation/Immunology

Assay Protocol

https://www.medchemexpress.com/ONX-0914.html

Purity

99.72

Solubility

DMSO : ≥ 35 mg/mL

Smiles

O=C(N[C@@H](C)C(N[C@@H](CC1=CC=C(OC)C=C1)C(N[C@@H](CC2=CC=CC=C2)C([C@]3(C)OC3)=O)=O)=O)CN4CCOCC4

Molecular Formula

C31H40N4O7

Molecular Weight

580.67

Precautions

H302, H315, H319, H335

References & Citations

[1]Muchamuel T, et al. A selective inhibitor of the immunoproteasome subunit LMP7 blocks cytokine production and attenuates progression of experimental arthritis [published correction appears in Nat Med. 2009 Nov;15 (11) :1333]. Nat Med. 2009;15 (7) :781-787.|[2]Rožman K, et al. Psoralen Derivatives as Inhibitors of Mycobacterium tuberculosis Proteasome. Molecules. 2020;25 (6) :1305. Published 2020 Mar 12.|[3]Lin J, et al. PR-957, a selective immunoproteasome inhibitor, reactivates latent HIV-1 through p-TEFb activation mediated by HSF-1. Biochem Pharmacol. 2018;156:511-523.

Shipping Conditions

Room Temperature

Storage Conditions

-20°C, 3 years; 4°C, 2 years (Powder)

Scientific Category

Reference compound1

Clinical Information

No Development Reported

Isoform

HIV-1

Available Sizes

Frequently Asked Questions

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