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SAH-SOS1A TFA is a peptide-based SOS1/KRAS protein interaction inhibitor. SAH-SOS1A TFA binds to wild-type and mutant KRAS (G12D, G12V, G12C, G12S, and Q61H) with nanomolar affinity (EC50=106-175 nM) and directly and independently blocks nucleotide association. SAH-SOS1A TFA (0.625-40 μM; 24 hours) dose-responsively impairs the viability of cancer cells bearing G12D, G12C, G12V, G12S, G13D, and Q61H mutations with IC50 values in the 5- to 15-μM range. Cancer cells expressing wild-type KRAS, such as HeLa and Colo320-HSR cells, are similarly affected.
In vivo, SAH-SOS1A (0.2 μL of 10 mM solution; injection; 48 hours; abdomens of D. melanogaster Ras85DV12/ActinGS) treatment notably decreases the phosphorylation state of ERK1/2.
Sequence: Arg-Arg-Phe-Phe-Gly-Ile-Aaa-Leu-Thr-Asn-Aaa-Leu-Lys-Thr-Glu-Glu-Gly-Asn (Covalent bridge: Aaa7-Aaa11)
| Molecular Weight | 2301.55 |
| Formula | C102H160N27F3O30 |
| CAS Number | 1652561-87-9 (free base) |
| Storage | -20°C, protect from light, sealed |
| Related Ras Products |
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| AMG410
AMG410 is a non-covalent and selective pan-KRAS inhibitor with IC50 values of 1-4 nM for KRAS G12D, KRAS G12V, and KRAS G13D. AMG410 is a dual GTP(on)- and GDP(off)-state inhibitor (Kd(GDP-state) of 1 nM; Kd(GTP-state) of 22 nM). AMG410 blocks KRAS signaling in a cycling state-independent manner and also blocks proliferation in wildtype KRAS-amplified tumor cells. |
| HRS-4642
HRS-4642 is a selective KRAS(G12D) inhibitor, with Kd value of 0.083 nM. HRS-4642 has anti-cancer activity. HRS-4642 exhibits significant in vivo potency. |
| AZD0022
AZD0022 is a selective and orally active KRASG12D inhibitor. |
| HH0043
HH0043 is an orally active and potent SOS1 inhibitor, with IC50 value of 5.8 nM. |
| BI-2493
BI-2493 is a structural analogue of BI-2865 and a highly selective and orally active pan-KRAS inhibitor. |
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