Ubiquitin (human), (recombinant) (His-tag) His-Ubiquitin is activated by E1 and is a competent substrate for the E2 and E3 enzymes. Product Specification UniProt ID: P0CG48 Formulation: Lyophilized. Application: Useful for studying ubiquitinylation in vitro and for the detection and purification of ubiquitinylated substrates. Long Term Storage: -20°C