| S2913 | BAY 11-7082 | BAY 11-7082 (BAY 11-7821) is a NF-κB inhibitor, inhibits TNFα-induced IκBα phosphorylation with IC50 of 10 μM in tumor cells. BAY 11-7082 inhibits ubiquitin-specific protease USP7 and USP21 with IC50 of 0.19 μM and 0.96 μM, respectively. BAY 11-7082 induces apoptosis and S phase arrest in gastric cancer cells. | 
                                                    
                                                        ACS Nano, 2025, 19(20):19057-19079
                                                     
                                                    
                                                        EMBO J, 2025, 10.1038/s44318-025-00561-7
                                                     
                                                    
                                                        MedComm (2020), 2025, 6(1):e70037
                                                     |   | 
                            
                                
                                    | S7130 | PR-619 | PR-619 is a non-selective, reversible inhibitor of the deubiquitinylating enzymes (DUBs) with EC50 of 1-20 μM in a cell-free assay. PR-619 activates autophagy. | 
                                                    
                                                        Cancer Immunol Res, 2025, 10.1158/2326-6066.CIR-24-1194
                                                     
                                                    
                                                        J Orthop Surg Res, 2025, 20(1):220
                                                     
                                                    
                                                        Sci Adv, 2025, 11(38):eadw2539
                                                     |   | 
                            
                                
                                    | S7132 | P5091 | P5091 is a selective and potent inhibitor of ubiquitin-specific protease 7 (USP7) with EC50 of 4.2 μM and the closely related USP47. | 
                                                    
                                                        Mol Metab, 2025, 94:102111
                                                     
                                                    
                                                        Neoplasia, 2025, 66:101192
                                                     
                                                    
                                                        J Exp Clin Cancer Res, 2024, 43(1):28
                                                     |   | 
                            
                                
                                    | S2243 | Degrasyn (WP1130) | Degrasyn (WP1130) is a selective deubiquitinase (DUB: USP5, UCH-L1, USP9x, USP14, and UCH37) inhibitor and also suppresses Bcr/Abl, also a JAK2 transducer (without affecting 20S proteasome) and activator of transcription (STAT). Degrasyn (WP1130) induces apoptosis and blocks autophagy. | 
                                                    
                                                        Nat Commun, 2025, 16(1):628
                                                     
                                                    
                                                        Nat Commun, 2025, 16(1):1313
                                                     
                                                    
                                                        Cell Death Dis, 2025, 16(1):564
                                                     |   | 
                            
                                
                                    | S7888 | Spautin-1 | Spautin-1 is a potent and specific autophagy inhibitor, and inhibits the deubiquitinating activity of USP10 and USP13 with IC50 of ∼0.6-0.7 μM. Spautin-1 enhances apoptosis. | 
                                                    
                                                        Nat Commun, 2024, 15(1):9463
                                                     
                                                    
                                                        J Adv Res, 2024, S2090-1232(24)00025-0
                                                     
                                                    
                                                        Cancer Lett, 2024, 604:217258
                                                     |   | 
                            
                                
                                    | S7133 | P22077 | P22077 is an inhibitor of ubiquitin-specific protease USP7 with EC50 of 8.6 μM, also inhibits the closely related USP47. | 
                                                    
                                                        Int J Mol Sci, 2024, 25(5)2768
                                                     
                                                    
                                                        Hepatol Commun, 2024, 8(4)e0405
                                                     
                                                    
                                                        Queen's University Belfast, 2023, 
                                                     |  | 
                            
                                
                                    | S7134 | IU1 | IU1 is a cell-permeable, reversible and selective proteasome inhibitor of human USP14 with IC50 of 4.7 μ M, 25-fold selective to IsoT. IU1 induces autophagy. | 
                                                    
                                                        Cells, 2025, 14(11)816
                                                     
                                                    
                                                        Mol Med, 2025, 31(1):163
                                                     
                                                    
                                                        Redox Biol, 2024, 76:103318
                                                     |   | 
                            
                                
                                    | S4920 | b-AP15 | b-AP15 (NSC687852) is a deubiquitinases inhibitor for 19S proteasomes activity of Ub-AMC cleavage with IC50 of 2.1 μM. | 
                                                    
                                                        Nat Cell Biol, 2025, 27(9):1448-1464
                                                     
                                                    
                                                        J Control Release, 2025, 380:417-432
                                                     
                                                    
                                                        Int J Biol Sci, 2025, 21(5):2258-2274
                                                     |   | 
                            
                                
                                    | S7529 | ML323 | ML323 displays reversible, nanomolar inhibitory activity and excellent selectivity toward USP1/UAF1 with IC50 of 76 nM. | 
                                                    
                                                        Cancers (Basel), 2025, 17(17)2864
                                                     
                                                    
                                                        Oncol Res, 2025, 33(1):213-224
                                                     
                                                    
                                                        Nucleic Acids Res, 2024, gkae785
                                                     |  | 
                            
                                
                                    | S7135 | LDN-57444 | LDN-57444 is a reversible, competitive proteasome inhibitor for Uch-L1 with IC50 of 0.88 μM, 28-fold selectivity over isoform Uch-L3. | 
                                                    
                                                        Stem Cell Res Ther, 2025, 16(1):271
                                                     
                                                    
                                                        J Transl Med, 2024, 22(1):478
                                                     
                                                    
                                                        Cells, 2024, 13(9)737
                                                     |   | 
                            
                                
                                    | S3692 | NEM (N-Ethylmaleimide) | NEM (N-Ethylmaleimide) is an organic compound that is derived from maleic acid. It is an irreversible inhibitor of all cysteine peptidases, with alkylation occurring at the active site thiol group. N-Ethylmaleimide (NEM) inactivates endogenous deubiquitinating enzymes (DUBs). N-Ethylmaleimide (NEM) specifically inhibits phosphate transport in mitochondria. | 
                                                    
                                                        Inflammation, 2025, 10.1007/s10753-025-02273-w
                                                     
                                                    
                                                        Toxicol Lett, 2025, 406:31-37
                                                     
                                                    
                                                        J Exp Clin Cancer Res, 2024, 43(1):330
                                                     |  | 
                            
                                
                                    | S8288 | VLX1570 | VLX1570 is a competitive inhibitor of proteasome DUB activity, with an IC50 of ~10 μM in vitro. | 
                                                    
                                                        Commun Biol, 2024, 7(1):25
                                                     
                                                    
                                                        PLoS One, 2022, 17(7):e0271245
                                                     
                                                    
                                                        Cancer Sci, 2021, 112(8):3302-3313
                                                     |  | 
                            
                                
                                    | S6877 | EOAI3402143 | EOAI3402143 is a dose-dependent inhibitor of Usp9x, Usp24 and Usp5 that increases tumor cell apoptosis, and fully blocks or regresses myeloma tumors in mice. | 
                                                    
                                                        Cell Rep Med, 2023, 4(4):101007
                                                     
                                                    
                                                        Int J Biol Sci, 2021, 17(10):2417-2429
                                                     
                                                    
                                                        Int J Biol Sci, 2021, 17(10):2417-2429
                                                     |  | 
                            
                                
                                    | S7140 | TCID | TCID is a DUB inhibitor for ubiquitin C-terminal hydrolase L3 with IC50 of 0.6 μM, 125-fold selective to L1. | 
                                                    
                                                        Nat Commun, 2025, 16(1):4564
                                                     
                                                    
                                                        Free Radic Biol Med, 2025, 237:65-75
                                                     
                                                    
                                                        Front Oncol, 2023, 13:1088475
                                                     |  | 
                            
                                
                                    | S0515 | PLpro inhibitor | PLpro inhibitor (compound 6) is a potent papain-like protease (PLpro)/deubiquitinase (DUBs) inhibitor with IC50 of 2.6 μM and EC50 of 13.1 μM that blocks SARS virus replication. | 
                                                    
                                                        PLoS Pathog, 2023, 19(8):e1011592
                                                     
                                                    
                                                        PLoS Pathog, 2023, 19(8):e1011592
                                                     
                                                    
                                                        bioRxiv, 2022, 2022.08.06.503039
                                                     |  | 
                            
                                
                                    | S8904 | USP25/28 inhibitor AZ1 | AZ1 is a  potent and noncompetitive dual Inhibitors of the ubiquitin-specific protease (USP) 25/28 with IC50s of 0.62 μM and 0.7 μM in Ub-RH110 assay,respectively. | 
                                                    
                                                        Cell Death Dis, 2025, 16(1):305
                                                     
                                                    
                                                        Mol Oncol, 2022, 10.1002/1878-0261.13217
                                                     
                                                    
                                                        Cancer Sci, 2022, 113-10:3463-3475
                                                     |  | 
                            
                                
                                    | S6748 | ML364 | ML364 is a small molecule inhibitor of the deubiquitinase USP2 with an IC50 of 1.1 μM in a biochemical assay using an internally quenched fluorescent di-ubiquitin substrate. | 
                                                    
                                                        Nat Commun, 2025, 16(1):4564
                                                     
                                                    
                                                        Cell Insight, 2022, 1(4):100047
                                                     
                                                    
                                                        J Virol, 2020, JVI.01857-20
                                                     |  | 
                            
                                
                                    | S0399 | SJB2-043 | SJB2-043 is a potent USP1 inhibitor that inhibits the activity of native USP1/UAF1 with IC50 of 544 nM. | 
                                                    
                                                        Front Pharmacol, 2021, 12:695009
                                                     |  | 
                            
                                
                                    | S6878 | GSK2643943A | GSK2643943A is an inhibitor of deubiquitylating enzyme (DUB) with IC50 of 160 nM for USP20/Ub-Rho. | 
                                                    
                                                        Nature, 2020, 10.1038/s41586-020-2928-y
                                                     |  | 
                            
                                
                                    | F3038 | USP10 Antibody [L7M19] |  |  |  | 
                            
                                
                                    | F0629 | HAUSP Antibody [K23B2] | HAUSP,HAUSP / USP7,USP7 |  |  | 
                            
                                
                                    | F1361 | USP15 Antibody [D11N3] |  |  |  | 
                            
                                
                                    | F1387 | USP9X Antibody [F19L4] |  |  |  | 
                            
                                
                                    | F0865 | USP14 Antibody [H24B24] | USP14,USP14/TGT |  |  | 
                            
                                
                                    | F1344 | OTUD5 Antibody [F16F3] |  |  |  | 
                            
                                
                                    | S4922 | NSC 632839 | NSC 632839 is not only a DUB inhibitor, but also a deSUMOylase inhibitor, it inhibits USP2, USP7, and SENP2 with EC50 of 45 μM, 37 μM, and 9.8 μM, respectively. |  |  | 
                            
                                
                                    | E5945New | Wu-5 | Wu-5 is an inhibitor of USP10 that blocks its activity in vitro with an IC50 of 8.3 µM. It also promotes FLT3-ITD degradation and synergistically enhances crenolanib-induced apoptosis. |  |  | 
                            
                                
                                    | E1633 | BAY-805 | BAY-805 is a potent, selective, and cell-active inhibitor that non-covalently targets the catalytic activity of USP21, a member of the ubiquitin-specific protease (USP) subfamily of deubiquitinating enzymes (DUBs). |  |  | 
                            
                                
                                    | E1479 | I-138 | I-138 is an orally active, potent reversible inhibitor of USP1-UAF1 with IC50 0f 4.1 nM. I-138 is structurally related to ML323 and induces the monoubiquitination of FANCD2 and PCNA in MDA-MB-436 cells and increases PCNA and FANCD2 monoubiquitination in HAP-1 USP1 WT cells. | 
                                                    
                                                        J Biol Chem, 2025, 301(3):108190
                                                     |  | 
                            
                                
                                    | E6502New | USP7-IN-1 | USP7-IN-1 (Example 2) is a selective and reversible inhibitor of USP7 with an IC50 of 77 Μm and exhibits antiproliferative activity, inhibiting the growth of HCT116 colorectal cancer cells with a GI50 of 67 μM. |  |  | 
                            
                                
                                    | E5999New | CT1113 | CT1113 is a potent dual inhibitor of USP25 and USP28 that effectively reduces c-MYC levels and exhibits strong anti-tumor activity. It can be used in research on colon and pancreatic cancers. |  |  | 
                            
                                
                                    | S8967 | XL177A | XL177A is a potent, selective and irreversible inhibitor of Ubiquitin specific peptidase 7 (USP7) with IC50 of 0.34 nM. | 
                                                    
                                                        Queen's University Belfast, 2023, 
                                                     |  | 
                            
                                
                                    | F2498New | USP11 Antibody [D17E15] |  |  |  | 
                            
                                
                                    | E1098 | MF-094 | MF-094, a potent and selective USP30 inhibitor (IC50=0.12 μM), accelerates diabetic wound healing by inhibiting the NLRP3 inflammasome. |  |  | 
                            
                                
                                    | E0392 | Dubs-IN-1 | Dubs-IN-1 is an active inhibitor of ubiquitin-specific proteases (USPs), with an IC50 of 0.85 μM for USP8. |  |  | 
                            
                                
                                    | E0389 | DUBs-IN-2 | DUBs-IN-2 is a potent inhibitor of USP7 and USP8 deubiquitinating enzymes. |  |  | 
                            
                                
                                    | E1330 | Usp22i-S02 | Usp22i-S02(USP22-IN-1, compound S02) is a potent inhibitor of ubiquitin specific peptidase 22 (USP22). It showed anticancer activity by suppressing Foxp3 expression in T-regulatory cells. | 
                                                    
                                                        Int Immunopharmacol, 2025, 153:114538
                                                     |  | 
                            
                                
                                    | S6845 | GRL0617 | GRL0617 is a potent, selective and competitive noncovalent inhibitor of severe acute respiratory syndrome (SARS-CoV) papain-like protease (PLPro)/deubiquitinase with IC50 of 0.6 μM and Ki of 0.49 μM. GRL0617 inhibits SARS-CoV viral replication in Vero E6 cells with EC50 of 15 microM and has no associated cytotoxicity. | 
                                                    
                                                        J Virol, 2024, e0085524.
                                                     |  | 
                            
                                
                                    | S6883 | HBX 19818 | HBX19818 is a specific inhibitor of USP7 with an IC 50 of 28.1 μM. | 
                                                    
                                                        Queen's University Belfast, 2023, 
                                                     |  | 
                            
                                
                                    | S6933 | GEN-6776 | GNE-6776 is a potent, non-covalent, selective and orally bioavailable inhibitor of USP7 with IC50 of 1.34 μM and 0.61 μM for full length USP7 and USP7 catalytic domain, respectively. | 
                                                    
                                                        Queen's University Belfast, 2023, 
                                                     |  | 
                            
                                
                                    | E0947 | Iu1-248 | Iu1-248, a derivative of IU1, is a potent and selective ubiquitin specific peptidase 14 (USP14) inhibitor with an IC50 of 0.83 μM. |  |  | 
                            
                                
                                    | E1118New | SJB3-019A | SJB3-019A is a potent inhibitor of USP1 that significantly suppresses cell proliferation and induces apoptosis in B-cell acute lymphoblastic leukemia (B-ALL) cells. It also promotes DNA-binding-1 (ID1) degradation in K562 cells. |  |  | 
                            
                                
                                    | S6943 | IU1-47 | IU1-47 is a potent and specific inhibitor of USP14 with an IC50 of 0.6 μM. IU1-47 shows ∼33-fold selectivity for USP14 over USP5 (IsoT). |  |  | 
                            
                                
                                    | S0884 | RA-9 | RA-9 is a cell-permeable, potent and selective inhibitor of proteasome-associated deubiquitinating enzymes (DUBs) with favorable toxicity profile and anticancer activity. RA-9 selectively induces apoptosis in ovarian cancer cell lines. |  |  | 
                            
                                
                                    | E1214 | KSQ-4279 | KSQ-4279 (USP1-IN-1) is an orally bioavailable selective inhibitor of the  ubiquitin specific protease 1 (USP1)  with anti-proliferative activity. KSQ-4279 also exhibits synergistic activity in combination with PARP inhibitors. | 
                                                    
                                                        Cancer Res, 2024, 84(20):3419-3434
                                                     
                                                    
                                                        Sci Adv, 2024, 10(46):eadp6567
                                                     |  | 
                            
                        
                    
                    
                        
                        
                            
                                
                                    
                                        | S2913 | BAY 11-7082 | BAY 11-7082 (BAY 11-7821) is a NF-κB inhibitor, inhibits TNFα-induced IκBα phosphorylation with IC50 of 10 μM in tumor cells. BAY 11-7082 inhibits ubiquitin-specific protease USP7 and USP21 with IC50 of 0.19 μM and 0.96 μM, respectively. BAY 11-7082 induces apoptosis and S phase arrest in gastric cancer cells. | 
                                                        ACS Nano, 2025, 19(20):19057-19079 
                                                        EMBO J, 2025, 10.1038/s44318-025-00561-7 
                                                        MedComm (2020), 2025, 6(1):e70037 |   | 
                                
                                    
                                        | S7130 | PR-619 | PR-619 is a non-selective, reversible inhibitor of the deubiquitinylating enzymes (DUBs) with EC50 of 1-20 μM in a cell-free assay. PR-619 activates autophagy. | 
                                                        Cancer Immunol Res, 2025, 10.1158/2326-6066.CIR-24-1194 
                                                        J Orthop Surg Res, 2025, 20(1):220 
                                                        Sci Adv, 2025, 11(38):eadw2539 |   | 
                                
                                    
                                        | S7132 | P5091 | P5091 is a selective and potent inhibitor of ubiquitin-specific protease 7 (USP7) with EC50 of 4.2 μM and the closely related USP47. | 
                                                        Mol Metab, 2025, 94:102111 
                                                        Neoplasia, 2025, 66:101192 
                                                        J Exp Clin Cancer Res, 2024, 43(1):28 |   | 
                                
                                    
                                        | S2243 | Degrasyn (WP1130) | Degrasyn (WP1130) is a selective deubiquitinase (DUB: USP5, UCH-L1, USP9x, USP14, and UCH37) inhibitor and also suppresses Bcr/Abl, also a JAK2 transducer (without affecting 20S proteasome) and activator of transcription (STAT). Degrasyn (WP1130) induces apoptosis and blocks autophagy. | 
                                                        Nat Commun, 2025, 16(1):628 
                                                        Nat Commun, 2025, 16(1):1313 
                                                        Cell Death Dis, 2025, 16(1):564 |   | 
                                
                                    
                                        | S7888 | Spautin-1 | Spautin-1 is a potent and specific autophagy inhibitor, and inhibits the deubiquitinating activity of USP10 and USP13 with IC50 of ∼0.6-0.7 μM. Spautin-1 enhances apoptosis. | 
                                                        Nat Commun, 2024, 15(1):9463 
                                                        J Adv Res, 2024, S2090-1232(24)00025-0 
                                                        Cancer Lett, 2024, 604:217258 |   | 
                                
                                    
                                        | S7133 | P22077 | P22077 is an inhibitor of ubiquitin-specific protease USP7 with EC50 of 8.6 μM, also inhibits the closely related USP47. | 
                                                        Int J Mol Sci, 2024, 25(5)2768 
                                                        Hepatol Commun, 2024, 8(4)e0405 
                                                        Queen's University Belfast, 2023,  |  | 
                                
                                    
                                        | S7134 | IU1 | IU1 is a cell-permeable, reversible and selective proteasome inhibitor of human USP14 with IC50 of 4.7 μ M, 25-fold selective to IsoT. IU1 induces autophagy. | 
                                                        Cells, 2025, 14(11)816 
                                                        Mol Med, 2025, 31(1):163 
                                                        Redox Biol, 2024, 76:103318 |   | 
                                
                                    
                                        | S4920 | b-AP15 | b-AP15 (NSC687852) is a deubiquitinases inhibitor for 19S proteasomes activity of Ub-AMC cleavage with IC50 of 2.1 μM. | 
                                                        Nat Cell Biol, 2025, 27(9):1448-1464 
                                                        J Control Release, 2025, 380:417-432 
                                                        Int J Biol Sci, 2025, 21(5):2258-2274 |   | 
                                
                                    
                                        | S7529 | ML323 | ML323 displays reversible, nanomolar inhibitory activity and excellent selectivity toward USP1/UAF1 with IC50 of 76 nM. | 
                                                        Cancers (Basel), 2025, 17(17)2864 
                                                        Oncol Res, 2025, 33(1):213-224 
                                                        Nucleic Acids Res, 2024, gkae785 |  | 
                                
                                    
                                        | S7135 | LDN-57444 | LDN-57444 is a reversible, competitive proteasome inhibitor for Uch-L1 with IC50 of 0.88 μM, 28-fold selectivity over isoform Uch-L3. | 
                                                        Stem Cell Res Ther, 2025, 16(1):271 
                                                        J Transl Med, 2024, 22(1):478 
                                                        Cells, 2024, 13(9)737 |   | 
                                
                                    
                                        | S3692 | NEM (N-Ethylmaleimide) | NEM (N-Ethylmaleimide) is an organic compound that is derived from maleic acid. It is an irreversible inhibitor of all cysteine peptidases, with alkylation occurring at the active site thiol group. N-Ethylmaleimide (NEM) inactivates endogenous deubiquitinating enzymes (DUBs). N-Ethylmaleimide (NEM) specifically inhibits phosphate transport in mitochondria. | 
                                                        Inflammation, 2025, 10.1007/s10753-025-02273-w 
                                                        Toxicol Lett, 2025, 406:31-37 
                                                        J Exp Clin Cancer Res, 2024, 43(1):330 |  | 
                                
                                    
                                        | S8288 | VLX1570 | VLX1570 is a competitive inhibitor of proteasome DUB activity, with an IC50 of ~10 μM in vitro. | 
                                                        Commun Biol, 2024, 7(1):25 
                                                        PLoS One, 2022, 17(7):e0271245 
                                                        Cancer Sci, 2021, 112(8):3302-3313 |  | 
                                
                                    
                                        | S6877 | EOAI3402143 | EOAI3402143 is a dose-dependent inhibitor of Usp9x, Usp24 and Usp5 that increases tumor cell apoptosis, and fully blocks or regresses myeloma tumors in mice. | 
                                                        Cell Rep Med, 2023, 4(4):101007 
                                                        Int J Biol Sci, 2021, 17(10):2417-2429 
                                                        Int J Biol Sci, 2021, 17(10):2417-2429 |  | 
                                
                                    
                                        | S7140 | TCID | TCID is a DUB inhibitor for ubiquitin C-terminal hydrolase L3 with IC50 of 0.6 μM, 125-fold selective to L1. | 
                                                        Nat Commun, 2025, 16(1):4564 
                                                        Free Radic Biol Med, 2025, 237:65-75 
                                                        Front Oncol, 2023, 13:1088475 |  | 
                                
                                    
                                        | S0515 | PLpro inhibitor | PLpro inhibitor (compound 6) is a potent papain-like protease (PLpro)/deubiquitinase (DUBs) inhibitor with IC50 of 2.6 μM and EC50 of 13.1 μM that blocks SARS virus replication. | 
                                                        PLoS Pathog, 2023, 19(8):e1011592 
                                                        PLoS Pathog, 2023, 19(8):e1011592 
                                                        bioRxiv, 2022, 2022.08.06.503039 |  | 
                                
                                    
                                        | S8904 | USP25/28 inhibitor AZ1 | AZ1 is a  potent and noncompetitive dual Inhibitors of the ubiquitin-specific protease (USP) 25/28 with IC50s of 0.62 μM and 0.7 μM in Ub-RH110 assay,respectively. | 
                                                        Cell Death Dis, 2025, 16(1):305 
                                                        Mol Oncol, 2022, 10.1002/1878-0261.13217 
                                                        Cancer Sci, 2022, 113-10:3463-3475 |  | 
                                
                                    
                                        | S6748 | ML364 | ML364 is a small molecule inhibitor of the deubiquitinase USP2 with an IC50 of 1.1 μM in a biochemical assay using an internally quenched fluorescent di-ubiquitin substrate. | 
                                                        Nat Commun, 2025, 16(1):4564 
                                                        Cell Insight, 2022, 1(4):100047 
                                                        J Virol, 2020, JVI.01857-20 |  | 
                                
                                    
                                        | S0399 | SJB2-043 | SJB2-043 is a potent USP1 inhibitor that inhibits the activity of native USP1/UAF1 with IC50 of 544 nM. | 
                                                        Front Pharmacol, 2021, 12:695009 |  | 
                                
                                    
                                        | S6878 | GSK2643943A | GSK2643943A is an inhibitor of deubiquitylating enzyme (DUB) with IC50 of 160 nM for USP20/Ub-Rho. | 
                                                        Nature, 2020, 10.1038/s41586-020-2928-y |  | 
                                
                                    
                                        | S4922 | NSC 632839 | NSC 632839 is not only a DUB inhibitor, but also a deSUMOylase inhibitor, it inhibits USP2, USP7, and SENP2 with EC50 of 45 μM, 37 μM, and 9.8 μM, respectively. |  |  | 
                                
                                    
                                        | E5945New | Wu-5 | Wu-5 is an inhibitor of USP10 that blocks its activity in vitro with an IC50 of 8.3 µM. It also promotes FLT3-ITD degradation and synergistically enhances crenolanib-induced apoptosis. |  |  | 
                                
                                    
                                        | E1633 | BAY-805 | BAY-805 is a potent, selective, and cell-active inhibitor that non-covalently targets the catalytic activity of USP21, a member of the ubiquitin-specific protease (USP) subfamily of deubiquitinating enzymes (DUBs). |  |  | 
                                
                                    
                                        | E1479 | I-138 | I-138 is an orally active, potent reversible inhibitor of USP1-UAF1 with IC50 0f 4.1 nM. I-138 is structurally related to ML323 and induces the monoubiquitination of FANCD2 and PCNA in MDA-MB-436 cells and increases PCNA and FANCD2 monoubiquitination in HAP-1 USP1 WT cells. | 
                                                        J Biol Chem, 2025, 301(3):108190 |  | 
                                
                                    
                                        | E6502New | USP7-IN-1 | USP7-IN-1 (Example 2) is a selective and reversible inhibitor of USP7 with an IC50 of 77 Μm and exhibits antiproliferative activity, inhibiting the growth of HCT116 colorectal cancer cells with a GI50 of 67 μM. |  |  | 
                                
                                    
                                        | E5999New | CT1113 | CT1113 is a potent dual inhibitor of USP25 and USP28 that effectively reduces c-MYC levels and exhibits strong anti-tumor activity. It can be used in research on colon and pancreatic cancers. |  |  | 
                                
                                    
                                        | S8967 | XL177A | XL177A is a potent, selective and irreversible inhibitor of Ubiquitin specific peptidase 7 (USP7) with IC50 of 0.34 nM. | 
                                                        Queen's University Belfast, 2023,  |  | 
                                
                                    
                                        | E1098 | MF-094 | MF-094, a potent and selective USP30 inhibitor (IC50=0.12 μM), accelerates diabetic wound healing by inhibiting the NLRP3 inflammasome. |  |  | 
                                
                                    
                                        | E0392 | Dubs-IN-1 | Dubs-IN-1 is an active inhibitor of ubiquitin-specific proteases (USPs), with an IC50 of 0.85 μM for USP8. |  |  | 
                                
                                    
                                        | E0389 | DUBs-IN-2 | DUBs-IN-2 is a potent inhibitor of USP7 and USP8 deubiquitinating enzymes. |  |  | 
                                
                                    
                                        | E1330 | Usp22i-S02 | Usp22i-S02(USP22-IN-1, compound S02) is a potent inhibitor of ubiquitin specific peptidase 22 (USP22). It showed anticancer activity by suppressing Foxp3 expression in T-regulatory cells. | 
                                                        Int Immunopharmacol, 2025, 153:114538 |  | 
                                
                                    
                                        | S6845 | GRL0617 | GRL0617 is a potent, selective and competitive noncovalent inhibitor of severe acute respiratory syndrome (SARS-CoV) papain-like protease (PLPro)/deubiquitinase with IC50 of 0.6 μM and Ki of 0.49 μM. GRL0617 inhibits SARS-CoV viral replication in Vero E6 cells with EC50 of 15 microM and has no associated cytotoxicity. | 
                                                        J Virol, 2024, e0085524. |  | 
                                
                                    
                                        | S6883 | HBX 19818 | HBX19818 is a specific inhibitor of USP7 with an IC 50 of 28.1 μM. | 
                                                        Queen's University Belfast, 2023,  |  | 
                                
                                    
                                        | S6933 | GEN-6776 | GNE-6776 is a potent, non-covalent, selective and orally bioavailable inhibitor of USP7 with IC50 of 1.34 μM and 0.61 μM for full length USP7 and USP7 catalytic domain, respectively. | 
                                                        Queen's University Belfast, 2023,  |  | 
                                
                                    
                                        | E0947 | Iu1-248 | Iu1-248, a derivative of IU1, is a potent and selective ubiquitin specific peptidase 14 (USP14) inhibitor with an IC50 of 0.83 μM. |  |  | 
                                
                                    
                                        | E1118New | SJB3-019A | SJB3-019A is a potent inhibitor of USP1 that significantly suppresses cell proliferation and induces apoptosis in B-cell acute lymphoblastic leukemia (B-ALL) cells. It also promotes DNA-binding-1 (ID1) degradation in K562 cells. |  |  | 
                                
                                    
                                        | S6943 | IU1-47 | IU1-47 is a potent and specific inhibitor of USP14 with an IC50 of 0.6 μM. IU1-47 shows ∼33-fold selectivity for USP14 over USP5 (IsoT). |  |  | 
                                
                                    
                                        | S0884 | RA-9 | RA-9 is a cell-permeable, potent and selective inhibitor of proteasome-associated deubiquitinating enzymes (DUBs) with favorable toxicity profile and anticancer activity. RA-9 selectively induces apoptosis in ovarian cancer cell lines. |  |  | 
                                
                                    
                                        | E1214 | KSQ-4279 | KSQ-4279 (USP1-IN-1) is an orally bioavailable selective inhibitor of the  ubiquitin specific protease 1 (USP1)  with anti-proliferative activity. KSQ-4279 also exhibits synergistic activity in combination with PARP inhibitors. | 
                                                        Cancer Res, 2024, 84(20):3419-3434 
                                                        Sci Adv, 2024, 10(46):eadp6567 |  |