Ubiquitin (bovine), (native) (methylated) Octa-dimethyl-ubiquitin: (CH3)2-MQIFVK*TLTGK*TITLEVEPSDTIENV K*AK*IQDK*EGIPPDQQRLIFAGK*QLEDGR TLSDYNIQK*ESTLHLVLRLRGG-OH where K* = (ε-dimethyl)lysyl. Product Specification MW: ~8.7kDa Source: Native bovine. UniProt ID: P0CG53 Formulation: Lyophilized in HPLC-grade water. Purity: ≥95% (SDS-PAGE) Appearance: White solid. Solubility: Soluble and stable in DMSO and aqueous buffers up to 100 mg/mL. The solid will dissolve with gentle vortexing at the desired concentration. Application: Simplifies kinetics for E1-catalyzed active thioester formation. Long Term Storage: -20°C