k-ras-in-1

K-Ras-IN-1, a K-Ras inhibitor, is characterized by its chemical formula C20H19ClN4O2S and is also known as N-[(1S)-3-cyclopropyl-1-[(6-fluoro-1H-benzimidazol-2-yl)sulfanyl]-2-oxo-1-(phenylmethyl)propyl]-4-fluorobenzenesulfonamide (compound [18, dashboard 819041] in brackets).

K-Ras-PDEδ-IN-1 is a potent inhibitor of competitive K-Ras-PDEδ that binds to the farnesyl binding pocket of PDEδ (Kd of 8 nM).

K-Ras G12C-IN-1 is a novel, irreversible inhibitor of mutant K-Ras G12C.

K-Ras ligand-Linker Conjugate 1 is a chemical compound that includes a ligand for K-Ras and a PROTAC linker, facilitating the recruitment of E3 ligases VHL, CRBN, MDM2, and IAP. It can be utilized in the synthesis of PROTAC K-Ras Degrader-1, a highly effective K-Ras degrader that achieves ≥70% degradation efficacy in SW1573 cells [1].

K-Ras ligand-Linker Conjugate 2 is a chemical compound that includes a ligand for K-Ras and a PROTAC linker, capable of recruiting E3 ligases like VHL, CRBN, MDM2, and IAP. It is utilized in synthesizing PROTAC K-Ras Degrader-1, a highly effective PROTAC K-Ras degrader with a degradation efficacy of ≥70% in SW1573 cells[1].

K-Ras ligand-Linker Conjugate 3 (Compound 001371) is a chemical compound comprising a ligand for the K-Ras recruiting moiety and a PROTAC linker, responsible for recruiting E3 ligases (e.g., VHL, CRBN, MDM2, and IAP). This compound is essential for synthesizing PROTAC K-Ras Degrader-1, a potent degrader with a degradation efficacy of ≥70% in SW1573 cells[1].

K-Ras ligand-Linker Conjugate 4 is a chemical compound combining a K-Ras recruiting ligand with a PROTAC linker, responsible for recruiting E3 ligases such as VHL, CRBN, MDM2, and IAP. It has the potential to be used in synthesizing PROTAC K-Ras Degrader-1, which shows a degradation efficacy of ≥70% in SW1573 cells[1].

K-Ras ligand-Linker Conjugate 5 is a chemical compound combining a K-Ras recruiting ligand with a PROTAC linker for E3 ligases, such as VHL, CRBN, MDM2, and IAP. This conjugate is crucial for synthesizing PROTAC K-Ras Degrader-1, displaying a degradation efficacy of ≥70% in SW1573 cells [1].

THP-PEG4-Pyrrolidine(N-Boc)-CH2OH is a polyethylene glycol (PEG)-based PROteolysis TArgeting Chimera (PROTAC) linker used in synthesizing PROTAC K-Ras Degrader-1, as documented in reference [1].

THP-PEG4-Pyrrolidine(N-Me)-CH2OH, a PEG-based PROTAC linker, aids in the synthesis of PROTAC K-Ras Degrader-1[1].

Tos-PEG4-THP is a polyethylene glycol (PEG) derivative utilized as a linker in the synthesis of PROTAC K-Ras Degrader-1, a potential therapeutic compound for targeted degradation of K-Ras protein [1].

XMU-MP-9, a bifunctional compound, targets the C2 domain of Nedd4-1 and the allosteric site of K-Ras. It enhances the interaction and induces conformational changes within the Nedd4-1 K-Ras complex. Furthermore, XMU-MP-9 facilitates the ubiquitination and degradation of various K-Ras mutants and inhibits the proliferation of cells with these mutants. This compound is useful in cancer research.

PROTAC K-Ras Degrader-3 is a PROTAC degrader targeting K-Ras, exhibiting a DC50 value of ≤ 1 nM against SW620 KRAS G12D and a GI50 value of ≤ 10 nM in inhibiting the growth of SW620 3D cells. It is used in cancer research.

DSPE-PEG(2000) maleimide is a PEGylated derivative of 1,2-distearoyl-sn-glycero-3-phosphoethanolamine (DSPE). This compound is frequently utilized both in vitro and in vivo for synthesizing lipid nanoparticles (LNPs) that deliver siRNA or small molecule anticancer drugs. In experiments, LNPs containing DSPE-PEG(2000) maleimide and encapsulating siRNA targeting the mRNAs for p53 and K-RAS induced tumor regression in a PANC-1 pancreatic ductal adenocarcinoma mouse xenograft model.

Spiro-oxanthromicin A is a polyketide that has been found inStreptomyces.1It induces mislocalization of K-RAS in MDCK cells (IC50= 26.7 μM). 1.Salim, A.A., Xiao, X., Cho, K.J., et al.Rare Streptomyces sp. polyketides as modulators of K-Ras localisationOrg. Biomol. Chem.12(27)4872-4878(2014)

CP-609754 (LNK-754) is a potent and reversible farnesyltransferase inhibitor with potential anticancer activity. It inhibits farnesylation of recombinant human H-Ras (IC50=0.57 ng mL) and K-Ras (IC50=46 ng mL)[1]. In 3T3 H-ras (61L)-transfected cell lines, CP-609754 exhibits a slow on off rate, inhibiting mutant H-Ras farnesylation with an IC50 of 1.72 ng mL[1]. The compound is competitive for the prenyl acceptor (H-Ras protein) and noncompetitive for the prenyl donor farnesyl PPI, selectively inhibiting farnesylation of both H- and K-Ras proteins in 3T3 transfectants[1]. In vivo, CP-609754 shows antitumor activity against 3T3 H-ras (61L) tumors, with tumor regression achieved at 100 mg kg twice daily and an ED50 for tumor growth inhibition at 28 mg kg[1]. Continuous i.p. infusion of CP-609754 inhibits tumor growth by over 50% and reduces tumor farnesyltransferase activity by over 30% when plasma concentration is maintained above 118 ng mL[1]. [1]. Stacy L Moulder, et al. A phase I open label study of the farnesyltransferase inhibitor CP-609,754 in patients with advanced malignant tumors. Clin Cancer Res. 2004 Nov 1;10(21):7127-35.

GGTI-286 is a potent, cell permeable GGTase I inhibitor (IC50: 2 μM). GGTI-286 inhibits Rap1A geranylation in NIH3T3 cells (IC50: 2 μM) more potently than H-Ras farnesylation (IC50>30 μM). Ras4B stimulation (IC50: 1 μM).

GGTI-286 hydrochloride is a potent inhibitor of GGTase I (IC50: 2 μM) and is also effective in inhibiting K-Ras4B (IC50: 1 μM). farnesylation (IC50=2 and >30 μM).

GGTI-286 TFA is a potent, cell-permeable inhibitor of GGTase I, exhibiting 25 times greater effectiveness (IC 50 = 2 μM) compared to the corresponding methyl ester of FTI-276. It specifically targets the geranylgeranylation of Rap1A, demonstrating significant selectivity over the farnesylation of H-Ras in NIH3T3 cells (IC 50s = 2 and >30 μM, respectively). Additionally, GGTI-286 TFA effectively inhibits the stimulation of oncogenic K-Ras4B with an IC 50 of 1 μM.

KRas G12R Inhibitor 1 (compound 3) is a selective covalent inhibitor targeting the KRas G12R mutation, leveraging the high nucleophilicity of mutant cysteines to bind irreversibly within the K-Ras Switch II region. This compound is utilized in cancer research [1].

KRpep-2d, a potent inhibitor of K-Ras, effectively suppresses the proliferation of cancer cells driven by K-Ras. This compound is suitable for use in cancer research [1].

RORγ antagonist 1 (compound 22), a potent derivative of betulinic acid, acts as an antagonist to RORγ with a dissociation constant (K D) of 0.18 μM. It demonstrates anti-proliferative effects in the HPAF-II pancreatic cancer xenograft model, inhibits the RAS MAPK and AKT mTORC1 signaling pathways, and triggers caspase-dependent apoptosis in pancreatic cancer cells [1].

ICMT-IN-7 (compound 74), with an IC50 value of 0.015 µM, functions as an ICMT inhibitor, promotes cytoplasmic accumulation of ICMT in HCT-116 cells in a dose-dependent manner and suppresses the proliferation of various cancer cell lines harboring K-Ras and N-Ras mutations [1].

ICMT-IN-35 (compound 10n), an ICMT inhibitor with an IC50 value of 0.8 μM, is a FTPA-triazole derivative. It demonstrates cellular uptake by mammalian cells, disrupts K-Ras membrane association, and induces K-Ras mislocalization. Additionally, ICMT-IN-35 exhibits selective cytotoxicity towards ICMT + + MEF cells and possesses potent activity against metastatic pancreatic cancer cell lines with an IC 50 of 0.8 μM [1].