Ready-to-use ELISA kits are available for the detection of E2-CDC34B, an alias of the protein, ubiquitin conjugating enzyme E2 R2. The official gene symbol is UBE2R2. The protein has a mass of 27.2 kDa and length of 238 residues. It is a member of the Ubiquitin-conjugating enzyme family and may be known by other names, including: CDC34B, ubiquitin-protein ligase R2, ubiquitin-conjugating enzyme E2-CDC34B, ubiquitin conjugating enzyme E2R 2, ubiquitin carrier protein R2, and E2 ubiquitin-conjugating enzyme R2, and UBC3B.