CC0651 Chemical Properties

Boiling point:

755.7±60.0 °C(Predicted)

Density 

1.410±0.06 g/cm3(Predicted)

storage temp. 

Store at -20°C

solubility 

DMSO: ≥ 56 mg/mL (126.61 mM)

pka

3.37±0.34(Predicted)

form 

Powder

color 

White to off-white

CC0651 Usage And Synthesis

General Description

A cell-permeable biphenylylpentanoic acid compound that acts as a selective allosteric inhibitor of E2 ubiquitin-conjugating enzyme Cdc34 (IC₅₀ = 2.5 μM in a Sic1-SCF^Cdc4 assay) without affecting the activities of E1 or E3 ligases. Reported to act by trapping a weak interaction between ubiquitin and the E2 donor ubiquitin-binding site and may serve as a molecular bridge between Cdc34A and ubiquitin. Binds to Cdc34ACAT alone with an EC₅₀ value of 267 μM, but in the presence of ubiquitin, this affinity is significantly increased (EC₅₀ = 19 μM). Does not disrupt the interaction of Cdc34A with the RING domain of Rbx1 and is suggested to even moderately stabilize this interaction. Shown to inhibit p27^Kip1 ubiquitination (IC₅₀ = 1.72 μM) and reduce PC-3 cancer cells proliferation (~30 μM).

Please note that the molecular weight for this compound is batch-specific due to variable water content.

Biochem/physiol Actions

Cell permeable: yes

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