Automated description from the Alliance of Genome Resources (Release 7.1.0)
Enables cargo receptor ligand activity and cobalamin binding activity. Involved in cobalamin transport. Is active in external side of plasma membrane and extracellular space. Is expressed in eye; genitourinary system; and liver. Human ortholog(s) of this gene implicated in Parkinson's disease; megaloblastic anemia; and transcobalamin II deficiency. Orthologous to human TCN2 (transcobalamin 2).