| S0020 | RK 24466 | RK-24466 (KIN 001-51, Lck inhibitor C 8863, C8863) is a potent and selective inhibitor of Lck that inhibits two constructs of the human lck kinase, lck (64-509) and lckcd with IC50 of < 0.001 μM and 0.002 μM, respectively. | Selective | Lck (64-509), IC50: 0.001 μM; Lckcd, IC50: 0.002 μM | 
            
                
                    | S7565 | WH-4-023 | WH-4-023 (KIN001-112, KIN112, Dual LCK/SRC inhibitor) is a potent and orally active Lck/Src inhibitor with IC50s of 2 nM and 6 nM in cell-free assays, respectively. Exhibits >300-fold selectivity against p38α and KDR. Also potently inhibits SIK (IC50 values are 10, 22 and 60 nM for SIK 1, 2 and 3 respectively) and displays selectivity over a range of closely related kinases. | Selective | Lck, IC50: 2 nM | 
            
                
                    | S1010 | Nintedanib | Nintedanib is a potent triple angiokinase inhibitor for VEGFR1/2/3, FGFR1/2/3 and PDGFRα/β with IC50 of 34 nM/13 nM/13 nM, 69 nM/37 nM/108 nM and 59 nM/65 nM in cell-free assays. Phase 3. | Selective | LCK, IC50: 16 nM | 
            
                
                    | S7743 | CCT196969 | CCT196969 is a novel orally available, pan-RAF inhibitor with anti-SRC activity. It also inhibits SRC, LCK, and the p38 MAPKs. | Selective | LCK, IC50: 0.02 μM | 
            
                
                    | S6567 | Src Inhibitor 1 | Src Inhibitor 1 is a potent competitive inhibitor of both Src and Lck (IC50 = 44 and 88 nM, respectively), as well as Csk and Yes. | Selective | Lck, IC50: 88 nM | 
            
                
                    | S6060 | HPK1-IN-2 | HPK1-IN-2 is a potent and orally active inhibitor of hematopoietic progenitor kinase-1 (HPK1, a serine/threonine Ste20-related protein kinase), Lck and Flt3 with IC50 of <0.05 μM, IC50 of <0.5 μM and IC50 of <0.05 μM, respectively. HPK1-IN-2 exhibits antitumor activity. | Selective | Lck, IC50: 0.5 μM | 
            
                
                    | S2213 | AMG-47a | AMG-47a is a potent, nonselective inhibitor of Lck kinase with IC50 of 3.4 uM and it also inhibits T cell proliferation. AMG-47a exhibit anti-inflammatory activity (ED50) of 11 mg/kg in the anti-CD3-induced production of interleukin-2 (IL-2) in mice. | Selective | LCK, IC50: 3.4 μM | 
            
                
                    | S1014 | Bosutinib | Bosutinib is a novel, dual Src/Abl inhibitor with IC50 of 1.2 nM and 1 nM in cell-free assays, respectively. Bosutinib also effectively decreases the activity of PI3K/AKT/mTOR, MAPK/ERK and JAK/STAT3 signaling pathways by blocking the phosphorylation levels of p-ERK, p-S6, and p-STAT3. Bosutinib promotes autophagy. | Selective |  | 
            
                
                    | S1021 | Dasatinib | Dasatinib is a novel, potent and multi-targeted inhibitor that targets Abl, Src and c-Kit, with IC50 of <1 nM, 0.8 nM and 79 nM in cell-free assays, respectively. Dasatinib induces autophagy and apoptosis with anti-tumor activity. | Selective |  | 
            
                
                    | S7008 | PP2 | PP2 (AG 1879, AGL 1879), a Src family kinase inhibitor, potently inhibits Lck/Fyn with IC50 of 4 nM/5 nM in cell-free assays, ~100-fold less potent to EGFR, inactive for ZAP-70, JAK2 and PKA. | Pan | LCK, IC50: 4 nM | 
            
                
                    | S1006 | Saracatinib (AZD0530) | Saracatinib (AZD0530) is a potent Src inhibitor with IC50 of 2.7 nM in cell-free assays, and potent to c-Yes, Fyn, Lyn, Blk, Fgr and Lck; less active for Abl and EGFR (L858R and L861Q). Saracatinib induces autophagy. Phase 2/3. | Pan | LCK, IC50: <4 nM | 
            
                
                    | S7060 | PP1 | PP1 (AGL 1872, EI 275) is a potent and selective Src inhibitor for Lck/Fyn with IC50 of 5 nM/ 6 nM. | Pan | LCK, IC50: 5 nM | 
            
                
                    | S1181 | ENMD-2076 | ENMD-2076 has selective activity against Aurora A and Flt3 with IC50 of 14 nM and 1.86 nM, 25-fold selective for Aurora A than over Aurora B and less potent to RET, SRC, NTRK1/TRKA, CSF1R/FMS, VEGFR2/KDR, FGFR and PDGFRα. ENMD-2076 inhibits the growth of a wide range of human solid tumor and hematopoietic cancer cell lines with IC50 from 0.025 to 0.7 μM, which induces apoptosis and G2/M phase arrest. Phase 2. | Pan | LCK, IC50: 43.7 nM | 
            
                
                    | S8032 | PRT062607 (P505-15) HCl | PRT062607 (P505-15, BIIB057, PRT-2607) HCl is a novel, highly selective Syk inhibitor with IC50 of 1 nM in cell-free assays, >80-fold selective for Syk than Fgr, PAK5, Lyn, FAK, Pyk2, FLT3, MLK1 and Zap70. | Pan | LCK, IC50: 249 nM |