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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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| 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. |
| D3S-001
D3S-001 is an orally active inhibitor for KRAS. |
| MK-1084
MK-1084 is a selective KRAS G12C inhibitor. |
| ADT-007
ADT-007 is a potent and orally active pan-RAS inhibitor with strong anticancer effects. |
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