Human ROR2, also known as tyrosine-protein kinase transmembrane receptor, neurotrophic tyrosine kinase, and receptor related 2, GenBank Accession No. NM_004560, a.a. 28-403, with C-terminal Avi-Tag fused to the Fc region of Human IgG1, and expressed in a Hek293 expression system. MW=71 kDa. This protein is enzymatically biotinylated using Avi-TagTM technology.