USP7-IN-7 (compound 124) is a USP7 inhibitor with an IC50 value ＜10 nM. USP7-IN-7 shows cytotoxicity against p53-mutant cancer cell lines, p53 wild-type blood cancer and neuroblastoma cell lines with low nanomolar values. USP7-IN-7 can be used for cancer research[1].
MF-094 is a potent and selective USP30 inhibitor with an IC50 of 120 nM.
GRL0617 is a potent, selective and competitive noncovalent inhibitor of severe acute respiratory syndrome (SARS-CoV) papain-like protease (PLpro)/deubiquitinase, with an IC50 of 0.6 μM, and with a Ki of 0.49 μM[1].
MTX115325 (Example 1) is an orally active, brain-penetrating USP30 inhibitor (IC50=12 nM) with neuroprotective activity. MTX115325 increases ubiquitination (EC50=32 nM) of the mitochondrial outer membrane protein TOM20 (a USP30 substrate), increasing mitophagy. MTX115325 prevents dopaminergic neuron loss and preserves striatal dopamine[1].
CT1113 is a potent USP28 and USP25 inhibitor. CT1113 decreases the MYC level in vivo，exhibits anti-tumor activity in mouse pancreatic cancer CDX model[1].
USP7-IN-6 is a potent ubiquitin specific protease 7 (USP7) inhibitor, extracted from patent WO2017212010A1, example 25, has an IC50 of 6.8 nM[1].
USP7-IN-5 is a potent ubiquitin specific protease 7 (USP7) inhibitor extracted from patent WO2017212012A1, example 40, has an IC50 of 49.9 nM[1].
XL 188 is a potent and selective USP7 inhibitor with IC50 values of 90 nM and 193 nM for USP7 full-length and catalytic domain enzyme, respectively. XL 188 can be used in research of cancer[1].
ML-323 is a reversible, potent USP1-UAF1 inhibitor with IC50 of 76 nM in a Ub-Rho assay. The measured inhibition constants of ML-323 for the free enzyme (Ki) is 68 nM.
RA-9 is a potent and selective proteasome-associated deubiquitinating enzymes (DUBs) inhibitor with favorable toxicity profile and anticancer activity. RA-9 blocks ubiquitin-dependent protein degradation without impacting 20S proteasome proteolytic activity. RA-9 selectively induces onset of apoptosis in ovarian cancer cell lines and primary cultures derived from donors. RA-9 induces endoplasmic reticulum (ER)-stress responses in ovarian cancer cells[1].
DC-U4106 is a USP8 targeting inhibitor with the Kdvalue of 4.7 μM and the IC50 value of 1.2 μM. DC-U4106 can target the ubiquitin pathway and facilitate the degradation of Erα. DC-U4106 inhibits tumor growth with minimal toxicity and has the potential for the research of breast cancer[1].
HBX 41108 is an uncompetitive inhibitor of ubiquitin-specific protease 7 (USP7) with an IC50 of 424 nM. HBX 41108 inhibits USP7-mediated p53 deubiquitination to stabilize p53 and inhibits cancer cell growth. HBX 41108 induces p53-dependent apoptosis in p53 wild type and null isogenic cancer cell lines[1][2].
DUBs-IN-2 is a potent deubiquitinase inhibitor with an IC50 of 0.28 μM for USP8.
I-138 is an orally active compound structurally related to ML323 (HY-17543). I-138 and ML-323 are potent reversible inhibitors of USP1-UAF1. I-138 displays synergistic binding with ubiquitin and mutual exclusive binding with ML323. I-138 induces the monoubiquitination of FANCD2 and PCNA in MDA-MB-436 cells, increases PCNA and FANCD2 monoubiquitination in HAP-1 USP1 WT cells. I-138 ablates USP1 autocleavage in cells[1].
DUBs-IN-3 is a potent deubiquitinase (USP) enzyme inhibitor extracted from reference compound 22c with an IC50 of 0.56 μM for USP8.
DUBs-IN-1 is an active inhibitor of ubiquitin-specific proteases (USPs), with an IC50 of 0.24 μM for USP8.
FT827 is a selective and covalent ubiquitin-specific protease 7 (USP7) inhibitor with an IC50 of 52 nM.
EOAI3402143 is a deubiquitinase (DUB) inhibitor, which inhibits dose-dependently inhibits Usp9x/Usp24 and Usp5.
FT671 is a potent and selective USP7 inhibitor with an IC50 of 52 nM and binds to the USP7 catalytic domain with a Kd of 65 nM.
6-Thioguanine is an anti-leukemia and immunosuppressant agent, acts as an inhibitor of SARS and MERS coronavirus papain-like proteases (PLpros) and also potently inhibits USP2 activity, with IC50s of 25 μM and 40 μM for Plpros and recombinant human USP2, respectively.
USP1-IN-4 (compound 10) is an effective USP1 inhibitor with an IC50 value of 2.44 nM. USP1-IN-4 has anticancer activity and synergistic activity with various anticancer drugs[1].
USP1-IN-6 (compound 11) is a USP1 inhibitor (IC50<50 nM). USP1-IN-5 also inhibits MDA-MB-436 cells with IC50 <50 nM[1].
STAMBP-IN-1 is a small-molecule inhibitor of STAMBP deubiquitinase, and interrupts STAMBP-Ub-NALP7 interaction. STAMBP-IN-1 decreases protein level of its inflammasome substrate NALP7 and suppresses IL-1b release after Toll-like receptor (TLR) agonism. STAMBP-IN-1 inhibits the activity of STAMBP to cleave recombinant di-Ub with an IC50 value of 0.33 mM[1].
IU1-47 is a potent USP14 inhibitor with an IC50 of 0.6 μM. IU1-47 induces tau elimination in cultured neurons[1].
USP8-IN-2 (Compd U52) is a deubiquitinase USP8 inhibitor with an IC50 value of 6.0 μM. USP8-IN-2 also inhibits the proliferation of H1957 cells with an GI50 value of 24.93 μM, respectively[1].
b-AP15 is a specific inhibitor of the deubiquitinating enzymes UCHL5 and Usp14.
6RK73 is a covalent irreversible and specific UCHL1 inhibitor with an IC50 of 0.23 µM. 6RK73 shows almost no inhibition of UCHL3 (IC50=236 µM). 6RK73 specifically inhibit UCHL1 activity in breast cancer[1].
USP8-IN-3 (Compd U51) is a deubiquitinase USP8 inhibitor with an IC50 value of 4.0 μM. USP8-IN-3 also inhibits the proliferation of GH3 and H1957 cells with GI50s of 37.03 μM and 6.01 μM, respectively[1].
IU1 is a special Usp14 inhibitor with IC50 of 4-5 μM.
USP15-IN-1 is a potent USP15 inhibitor with an IC50 value of 3.76 μM. USP15-IN-1 can be used for researching anticancer[1].