Raphin1 acetate_product_DataBase

Bioactivity	Raphin1 acetate is an orally bioavailable, selective inhibitor of the regulatory phosphatase PPP1R15B (R15B). Raphin1 acetate binds strongly to the R15B-PP1c holophosphatase (Kd=33 nM), and shows ~30-fold selective in binding R15B-PP1c over R15A-PP1c. Raphin1 acetate crosses the blood-brain barrier, and reduces organismal and molecular deficits in a mouse model of a protein misfolding disease[1].
Target	Kd: 33 nM (R15B-PP1c holophosphatase)
Invitro	Raphin1 acetate causes a rapid and transient accumulation of its phosphorylated substrate, resulting in a transient attenuation of protein synthesis[1].Raphin1 acetate inhibits the recombinant R15B-PP1c holoenzyme, but not the closely related R15A-PP1c, by interfering with substrate recruitment[1].
In Vivo	Raphin1 acetate improves weight of HD82Q mice treated from 4 to ∼10 weeks of age with 2 mg/kg of Raphin1 once a day by oral gavage. Raphin1 acetate also decreases SDS-insoluble huntingtin assemblies and nuclear inclusions in the cortex of HD82Q mice[1].
Name	Raphin1 acetate
CAS	2242616-04-0
Formula	C10H12Cl2N4O2
Molar Mass	291.13
Appearance	Solid
Transport	Room temperature in continental US; may vary elsewhere.
Storage	4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Reference	[1]. Krzyzosiak A, et al. Target-Based Discovery of an Inhibitor of the Regulatory Phosphatase PPP1R15B. Cell. 2018 Aug 23;174(5):1216-1228.e19.

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