CBWD2 encodes the human gene, COBW domain containing 2. It may also be known as: COBW domain-containing protein 2; Cobalamin synthase W domain-containing protein 2. The encoded protein has an amino acid length of 395 and a mass of 44.0 kDa. CBWD2 is a member of the SIMIBI class G3E GTPase family, CobW subfamily. Homologs of this gene exist in other organisms, including: Frog.