| Identification | Back Directory | [Name]
RAS INHIBITORY PEPTIDE | [CAS]
159088-48-9 | [Synonyms]
VPPPVPPRRR-NH2
RAS INHIBITORY PEPTIDE
Sos SH3 domain inhibitor
HSOS (1149-1158) N10 SH3 BINDING DOMAIN
VAL-PRO-PRO-PRO-VAL-PRO-PRO-ARG-ARG-ARG
H-VAL-PRO-PRO-PRO-VAL-PRO-PRO-ARG-ARG-ARG-OH
L-Arginine, L-valyl-L-prolyl-L-prolyl-L-prolyl-L-valyl-L-prolyl-L-prolyl-L-arginyl-L-arginyl- | [Molecular Formula]
C53H91N19O11 | [MDL Number]
MFCD00237248 | [MOL File]
159088-48-9.mol | [Molecular Weight]
1170.41 |
| Chemical Properties | Back Directory | [density ]
1.52±0.1 g/cm3(Predicted) | [storage temp. ]
−20°C | [solubility ]
DMF: 30 mg/ml; DMSO: 30 mg/ml; Ethanol: Miscible; PBS (pH 7.2): 10 mg/ml | [form ]
A crystalline solid | [pka]
3.31±0.10(Predicted) |
| Hazard Information | Back Directory | [Description]
Son of sevenless homolog 1 (Sos1) is a guanine nucleotide exchange factor (GEF) that directs the exchange of Ras-GDP to Ras-GTP by binding to SH3 domains of the growth factor receptor-bound protein 2 (Grb2), leading to the activation of ERK. Ras inhibitory peptide is a synthetic peptide that contains the sequence PVPPR, which corresponds to a region within human Sos1 that interacts with an SH3 domain of Grb2. It specifically blocks the interaction of the GEF with Grb2, preventing an interaction that is essential for Ras activation by receptor tyrosine kinases, including epidermal growth factor receptor. | [Uses]
Ras Inhibitory Peptide (VPPPVPPRRR) is a Ras inhibitor with antitumor activity[1]. | [References]
[1] Pei-Yin Ho, et al. Terbinafine inhibits endothelial cell migration through suppression of the Rho-mediated pathway. Mol Cancer Ther. 2006 Dec;5(12):3130-8. DOI:10.1158/1535-7163.MCT-06-0457 |
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BOC Sciences
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