Alternative name: NEDD8-activating enzyme E1 catalytic subunit, NEDD8-activating enzyme E1C, Ubiquitin-activating enzyme E1C, Ubiquitin-like modifier-activating enzyme 3, Ubiquitin-activating enzyme 3. Purity: ≥95% (SDS-PAGE). Formulation: Liquid. In 25mM HEPES, pH 7.5, containing 150mM NaCl, 1mM DTT. Source: Produced in E. coli. Long Term Storage: -80°C.