G12Si-2, an analog of G12Si-1, is a negative control tool. G12Si-2 is not a covalent inhibitor of the G12C mutant of K-Ras.

G12Si-1 is a selective K-Ras(G12S) covalent inhibitor, which can inhibit oncogenic signaling of K-Ras(G12S). G12Si-1 shows good ability to covalently engage recombinant K-Ras(G12S) at the mutant serine residue. G12Si-1 can also affect nucleotide cycling of K-Ras by blocking Sos-catalyzed exchange and decreasing the rate of EDTA promoted exchange.

(rac)-Antineoplaston A10 is the racemate of Antineoplaston A10, which is a Ras inhibitor potentially for the treatment of glioma, lymphoma, astrocytoma and breast cancer.

MRTX-EX185 formic is a potent inhibitor of GDP-loaded KRAS and KRAS(G12D), with an IC50 of 90 nM for KRAS(G12D). MRTX-EX185 formic also binds GDP-loaded HRAS.

GDC-6036-NH is from patent WO2020097537A2, and a precursor of compound 17 a/b. Compound 17 a/b is a RAS inhibitor and can be used in cancer research.

NSC 23766 is a specific inhibitor of the binding and activation of Rac GTPase.

VUBI1 is a potent activator of SOS1 which modulates the KRAS pathway, binds directly to SOS1 (Kd=44 nM); VUBI1 increase nucleotide exchange on RAS in vitro at sub-micromolar concentration, rapidly enhances cellular RAS-GTP levels, and invoke biphasic signaling changes in phosphorylation of ERK 1/2 (Hela pERK ICW EC50=5.9 uM).

TH-Z835 is a potent, mutant selective KRAS (G12D) inhibitor with IC50 of 1.6 uM.TH-Z835 binds to both GDP-bound and GMPPNP-bound KRAS G12D with similar affinities, efficiently disrupt KRAS–CRAF interaction, but do not bind to wide type and G12C mutant KRAS.TH-Z835 reduced the pERK level in PANC-1 cells with an IC50 <2.5 uM, exhibited anti-proliferative effects for KRAS(G12D)-bearing pancreatic cancer cell lines PANC-1 and KPC with IC50 of <0.5 uM, induced arrest at the G1 phase of the cell cycle.TH-Z835 displayed anti-tumor effects alone and in combination with anti-PD-L1 antibody in xenograft pancreatic tumor models.

TAT-K-tetracosapeptide is K-tetracosapeptide fused to a cell-permeable TAT peptide, K-tetracosapeptide (K-TC) is a peptide of 24 amino acids corresponding to the helix a5 in KRAS4B, potent inhibitor of KARATE.TAT-K-tetracosapeptide blocks insulin-induced phosphorylation of AKT and its downstream effector TBC1D4, a Rab GTPase-activating protein.TAT-K-tetracosapeptide strongly inhibits insulin-induced transport of GLUT4-GFP to the plasma membrane and glucose uptake in adipocytes.

Ral inhibitor 1 is a covalent inhibitor of RalB (Ras-like GTPase) activation, inhibits guanine exchange factor Rgl2-mediated nucleotide exchange of Ral GTPase, selectively inhibits Ral over Ras; Ral inhibitor 1 inhibits RalB/Rgl2 interaction through covalent reaction at Tyr-82 with IC50 of 49.5 uM; Ral (Ras-like) GTPases are directly activated by oncogenic Ras GTPases.

PHT-7.3 (Cnksr1 (Cnk1) inhibitor PHT-7.3) is a selective inhibitor of connector enhancer of kinase suppressor of Ras 1 (Cnk1) pleckstrin homology (PH) domain (Kd=4.7 μM).PHT-7.3 bound selectively to the PH domain of Cnk1, preventing plasma membrane colocalization with mut-KRas.PHT-7.3 inhibits mut-KRas, but not wild-type KRas cancer cell and tumor growth and signaling.

NSC290956 is a small molecule inhibitor of KRas with Kd of 21.3 uM.NSC290956 inhibits KRas activity and downstream signaling events in KRas-driven nuytant NSCLC cells, decreases the cellular viability, cell cycle, and migration.NSC290956 changes KRas-dependent metabolic phenotype in Non-small-cell lung cancer cells, regulates mitochondrial dysfunction for apoptosis in both A549 and H358 cells.NSC290956 shows activity in the KRas mutant cell line xenograft.

MRTX-EX185 (EX185) is a novel potent small-molecule inhibitor of KRAS mutants, exhibits target engagement against KRAS(G12D) with IC50 of 90 nM, binds to GDP-loaded KRAS and KRAS(G12D), as well as the active GNP state.MRTX-EX185 also bound GDP-loaded HRAS.MRTX-EX185 engages both nucleotide states-albeit with preference for the inactive GDP-loaded protein-and might present an opportunity to inhibit even constitutively active (GTP-loaded) KRAS hotspot mutants MRTX-EX185 engages numerous KRAS Q61, G12 and G13 mutant proteins and drives antiproliferation.

K-tetracosapeptide (K-TC) is a peptide of 24 amino acids corresponding to the helix a5 in KRAS4B, potent inhibitor of KARATE (KRAS4B-RHOA-mTORC2 Ensemble), specifically targets the KRAS4B-RHOA interaction.

KRpep-2d (Ac-RRCPLYISYDPVCRR-NH2) is a potent, selective, cell-membrane permeable, cyclic peptide inhibitor of K-Ras(G12D) with IC50 of 1.6 nM, >10-fold selectivity over WT and G12C KRas; KRpep-2d significantly suppressed ERK-phosphorylation, downstream of K-Ras(G12D), along with A427 cancer cell proliferation at 30 μM peptide concentration.

K-Ras G12D inhibitor KS-58 is the first K-Ras(G12D) selective, bicyclic peptide inhibitor with binding Ki of 22 nM; KS-58 suppressed growth of A427 cells and PANC-1 cells (human pancreas carcinoma, G12D mutant) down to 21.1% and 50.1% at 30 uM. KS-58 showed significantly weaker cell growth suppression activities against A549 (human lung carcinoma, G12S mutant), H1975 (human lung carcinoma, WT), MIA PaCa-2 (human pancreas carcinoma, G12C mutant), and Capan-1 (human pancreas carcinoma, G12V mutant) cells. KS-58 reduced the phosphorylation of ERK down to 26.0% and 57.6% at 30 uM, respectively. Biotin-KS-58 exhibited stronger binding to K-Ras(G12D) than to other Ras proteins; KS-58 enters cells, binds to both forms of intracellular K-Ras(G12D)GDP/GTP, and inhibits K-Ras(G12D)GDP/GTP-effector protein interactions, thus preventing downstream Ras signal pathways, such as ERK, and suppressing cell proliferation. KS-58 exhibits anti-cancer activity when given as an intravenous injection to mice with subcutaneous or orthotropic PANC-1 cell xenografts.

KRAS G12C Pipetide (LVVVGACGVGK)

KRAS G12D inhibitor 14 is a potent KRAS G12D inhibitor with a KD of 33 nM for binding to KRAS G12D protein. KRAS G12D inhibitor 14 decreases the active form of KRAS G12D (KRAS G12D-GTP) but not KRAS G13D.

K20 is a potent and selective KRas G12C inhibitor with an IC50 of 1.16 µM. K20 shows anticancer activity in H358 cells (IC50= 0.78 µM). K20 decreases the levels of phosphorylated Erk and leads to cancer cell apoptosis. K20 suppresses NCI-H358 tumor growth with a TGI of 41% without causing obvious toxicity.

KRAS inhibitor-11 (compound 12) is a KRAS inhibitor.

KRAS G12C inhibitor 29 is a KRAS G12C inhibitor extracted from patent WO2021252339A1, compound 3. KRAS G12C inhibitor 29 can be used for the research of cancer.

SOS1-IN-8 is a potent SOS1 inhibitor with IC50s of 11.6 and 40.7 nM for SOS1-G12D and SOS1-G12V, respectively (WO2022017339A1, compound 2).

KRAS G12D inhibitor 3 TFA is a KRAS G12D inhibitor with an IC50 of <500 nM. KRAS G12D inhibitor 3 TFA has antitumor effects (WO2022002102A1; compound 146).

KRAS G12D inhibitor 3 is a KRAS G12D inhibitor with an IC50 of <500 nM. KRAS G12D inhibitor 3 has antitumor effects (WO2022002102A1; compound 146).

SOS1-IN-7 (compound 18-p1) is a potent SOS1 inhibitor with IC50s of 20 and 67 nM for SOS1-G12D and SOS1-G12V, respectively.

KRAS G12C inhibitor 30 is a KRAS G12C inhibitor extracted from patent WO2021252339A1, compound 2. KRAS G12C inhibitor 30 can be used for the research of cancer.

KRAS G12C inhibitor 31 is a KRAS G12C inhibitor extracted from patent WO2021252339A1, compound 1. KRAS G12C inhibitor 31 can be used for the research of cancer.

SOS1-IN-6 (compound 33-P1) is a potent SOS1 inhibitor with IC50s of 14.9 and 73.3 nM for SOS1-G12D and SOS1-G12V, respectively.

KRAS G12C inhibitor 34 is a KRAS G12C inhibitor extracted from patent WO2021239058A1, compound Z1. KRAS G12C inhibitor 34 can be used for the research of cancer.

SOS1-IN-11 is a potent SOS1 inhibitor with an IC50 value of 30 nM.