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  • Kinesin Inhibitors (15)
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Catalog No. Product Name Information Product Use Citations Product Validations
S7090 GSK923295 GSK923295 is a first-in-class, specific allosteric inhibitor of CENP-E kinesin motor ATPase with Ki of 3.2 nM, and less potent to mutant I182 and T183. GSK923295 induces post-mitotic apoptosis. Phase 1.
Nat Cancer, 2024, 5(1):66-84
Curr Biol, 2024, 34(5):1133-1141.e4
Curr Biol, 2024, 34(5):1133-1141.e4
S1452 Ispinesib (SB-715992) Ispinesib (SB-715992, CK0238273) is a potent, specific and reversible inhibitor of kinesin spindle protein (KSP) with Ki app of 1.7 nM in a cell-free assay, no inhibition to CENP-E, RabK6, MCAK, MKLP1, KHC or Kif1A. Ispinesib induces mitotic arrest and apoptotic cell death.
Nat Cancer, 2024, 5(1):66-84
Cells, 2024, 13(7)607
Biomed Pharmacother, 2023, 160:114305
S2182 SB743921 HCl SB743921 is a kinesin spindle protein (KSP) inhibitor with Ki of 0.1 nM, almost no affinity to MKLP1, Kin2, Kif1A, Kif15, KHC, Kif4 and CENP-E. Phase 1/2.
Biochem Biophys Res Commun, 2023, 678:84-89
Cancer Cell, 2022, 40(7):754-767.e6
Cell Death Dis, 2022, 13-9:799
S8439 Monastrol Monastrol ((±)-Monastrol) is a cell-permeable small molecule inhibitor of kinesin-5(KIF11) with an IC50 of 14μM, which is essential for maintaining separation of the half-spindles.
Cell Rep Med, 2023, 4(2):100937
iScience, 2023, 26(6):106855
Nature, 2022, 604(7904):146-151
S7355 ARQ 621 ARQ 621 is an allosteric, and selective Eg5 mitotic motor protein inhibitor. Phase 1.
Nat Commun, 2024, 15(1):1041
Mol Cell Proteomics, 2017, 16(3):428-437
Assay Drug Dev Technol, 2016, 14(7):395-406
S0279 Dimethylenastron Dimethylenastron is a potent, specific and reversible inhibitor of kinesin Eg5 (kinesin-5/kinesin spindle protein, KSP) with IC50 of 200 nM. Dimethylenastron induces mitotic arrest and apoptosis and upregulate Hsp70 in human multiple myeloma cells.
EMBO Rep, 2023, e57234.
E4595New SB-743921 SB-743921 (SB-921) is an inhibitor of Kinesin Spindle Protein (KSP), a mitotic protein essential for cell cycle control and motility. It functions by selectively targeting rapidly dividing cells and disrupting spindle formation during cell division, leading to G2/M phase arrest and ultimately causing cell death. It also inhibits proliferation and induces apoptosis in diffuse large B-cell lymphoma (DLBCL) cell lines.
S6953 GW406108X GW406108X (GW108X) is an inhibitor of Kif15 (Kinesin-12) with an IC50 of 0.82 μM in the ATPase assay. GW406108X inhibits recombinant ULK1 kinase activity with a pIC50 of 6.37 and blocks autophagy in cells, without affecting the upstream signalling kinases mTORC1 and AMPK.
S7972New Litronesib Litronesib (LY2523355) is a selective allosteric inhibitor of the human mitosis-specific kinesin Eg5. LY2523355 also exhibits highly schedule-dependent, broad-spectrum anticancer activity against tumor models and causes mitotic arrest and apoptosis in cancer cells.
E0779 Paprotrain Paprotrain is a cell-permeable inhibitor of the kinesin MKLP-2, inhibits the ATPase activity of MKLP-2 with an IC50 of 1.35 μM and a Ki of 3.36 μM and shows a moderate inhibition activity on DYRK1A with an IC50 of 5.5 μM.
S7354New Filanesib hydrochloride Filanesib (ARRY-520) hydrochloride is a kinesin spindle protein (KSP) inhibitor that blocks the separation of centrosomes and assembly of spindles in the early stage of cell mitosis, and cell proliferation.
S5522 H-Cys(Trt)-OH H-Cys(Trt)-OH (L-Cys(Trt)-OH, H-L-Cys(Trt)-OH, S-Tritylcysteine,S-Trityl-L-cysteine) is a specific inhibitor of Eg5 that inhibits Eg5-driven microtubule sliding velocity in a reversible fashion with an IC50 of 500 nM.
S5933 K 858 K858 is a novel and potent inhibitor of Eg5 with an IC50 of 1.3 μM for inhibiting the ATPase activity of Eg5, showing at least 150-fold more selective for Eg5 than other members of the kinesin superfamily.
E1180 Sovilnesib AMG 650 (Sovilnesib) is an oral, first in class, selective kinesin-like protein KIF18A inhibitor, can be used for the research of cancer.
S6796 BTB-1 BTB-1 is a novel, selective and reversible inhibitor of the mitotic motor protein Kif18A with IC50 of 1.69 μM.
S7090 GSK923295 GSK923295 is a first-in-class, specific allosteric inhibitor of CENP-E kinesin motor ATPase with Ki of 3.2 nM, and less potent to mutant I182 and T183. GSK923295 induces post-mitotic apoptosis. Phase 1.
Nat Cancer, 2024, 5(1):66-84
Curr Biol, 2024, 34(5):1133-1141.e4
Curr Biol, 2024, 34(5):1133-1141.e4
S1452 Ispinesib (SB-715992) Ispinesib (SB-715992, CK0238273) is a potent, specific and reversible inhibitor of kinesin spindle protein (KSP) with Ki app of 1.7 nM in a cell-free assay, no inhibition to CENP-E, RabK6, MCAK, MKLP1, KHC or Kif1A. Ispinesib induces mitotic arrest and apoptotic cell death.
Nat Cancer, 2024, 5(1):66-84
Cells, 2024, 13(7)607
Biomed Pharmacother, 2023, 160:114305
S2182 SB743921 HCl SB743921 is a kinesin spindle protein (KSP) inhibitor with Ki of 0.1 nM, almost no affinity to MKLP1, Kin2, Kif1A, Kif15, KHC, Kif4 and CENP-E. Phase 1/2.
Biochem Biophys Res Commun, 2023, 678:84-89
Cancer Cell, 2022, 40(7):754-767.e6
Cell Death Dis, 2022, 13-9:799
S8439 Monastrol Monastrol ((±)-Monastrol) is a cell-permeable small molecule inhibitor of kinesin-5(KIF11) with an IC50 of 14μM, which is essential for maintaining separation of the half-spindles.
Cell Rep Med, 2023, 4(2):100937
iScience, 2023, 26(6):106855
Nature, 2022, 604(7904):146-151
S7355 ARQ 621 ARQ 621 is an allosteric, and selective Eg5 mitotic motor protein inhibitor. Phase 1.
Nat Commun, 2024, 15(1):1041
Mol Cell Proteomics, 2017, 16(3):428-437
Assay Drug Dev Technol, 2016, 14(7):395-406
S0279 Dimethylenastron Dimethylenastron is a potent, specific and reversible inhibitor of kinesin Eg5 (kinesin-5/kinesin spindle protein, KSP) with IC50 of 200 nM. Dimethylenastron induces mitotic arrest and apoptosis and upregulate Hsp70 in human multiple myeloma cells.
EMBO Rep, 2023, e57234.
E4595New SB-743921 SB-743921 (SB-921) is an inhibitor of Kinesin Spindle Protein (KSP), a mitotic protein essential for cell cycle control and motility. It functions by selectively targeting rapidly dividing cells and disrupting spindle formation during cell division, leading to G2/M phase arrest and ultimately causing cell death. It also inhibits proliferation and induces apoptosis in diffuse large B-cell lymphoma (DLBCL) cell lines.
S6953 GW406108X GW406108X (GW108X) is an inhibitor of Kif15 (Kinesin-12) with an IC50 of 0.82 μM in the ATPase assay. GW406108X inhibits recombinant ULK1 kinase activity with a pIC50 of 6.37 and blocks autophagy in cells, without affecting the upstream signalling kinases mTORC1 and AMPK.
S7972New Litronesib Litronesib (LY2523355) is a selective allosteric inhibitor of the human mitosis-specific kinesin Eg5. LY2523355 also exhibits highly schedule-dependent, broad-spectrum anticancer activity against tumor models and causes mitotic arrest and apoptosis in cancer cells.
E0779 Paprotrain Paprotrain is a cell-permeable inhibitor of the kinesin MKLP-2, inhibits the ATPase activity of MKLP-2 with an IC50 of 1.35 μM and a Ki of 3.36 μM and shows a moderate inhibition activity on DYRK1A with an IC50 of 5.5 μM.
S7354New Filanesib hydrochloride Filanesib (ARRY-520) hydrochloride is a kinesin spindle protein (KSP) inhibitor that blocks the separation of centrosomes and assembly of spindles in the early stage of cell mitosis, and cell proliferation.
S5522 H-Cys(Trt)-OH H-Cys(Trt)-OH (L-Cys(Trt)-OH, H-L-Cys(Trt)-OH, S-Tritylcysteine,S-Trityl-L-cysteine) is a specific inhibitor of Eg5 that inhibits Eg5-driven microtubule sliding velocity in a reversible fashion with an IC50 of 500 nM.
S5933 K 858 K858 is a novel and potent inhibitor of Eg5 with an IC50 of 1.3 μM for inhibiting the ATPase activity of Eg5, showing at least 150-fold more selective for Eg5 than other members of the kinesin superfamily.
E1180 Sovilnesib AMG 650 (Sovilnesib) is an oral, first in class, selective kinesin-like protein KIF18A inhibitor, can be used for the research of cancer.
S6796 BTB-1 BTB-1 is a novel, selective and reversible inhibitor of the mitotic motor protein Kif18A with IC50 of 1.69 μM.
E4595New SB-743921 SB-743921 (SB-921) is an inhibitor of Kinesin Spindle Protein (KSP), a mitotic protein essential for cell cycle control and motility. It functions by selectively targeting rapidly dividing cells and disrupting spindle formation during cell division, leading to G2/M phase arrest and ultimately causing cell death. It also inhibits proliferation and induces apoptosis in diffuse large B-cell lymphoma (DLBCL) cell lines.
S7972New Litronesib Litronesib (LY2523355) is a selective allosteric inhibitor of the human mitosis-specific kinesin Eg5. LY2523355 also exhibits highly schedule-dependent, broad-spectrum anticancer activity against tumor models and causes mitotic arrest and apoptosis in cancer cells.
S7354New Filanesib hydrochloride Filanesib (ARRY-520) hydrochloride is a kinesin spindle protein (KSP) inhibitor that blocks the separation of centrosomes and assembly of spindles in the early stage of cell mitosis, and cell proliferation.

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