Human Neuropilin 1 (NRP1), also known as CD304 and VEGF165R, GenBank Accession No. NM_001024628.3, a.a. 22-644(end) with C-terminal Avi-His-tag, expressed in a HEK293 expression system. MW=75 kDa. This protein is enzymatically biotinylated using Avi-Tag™ technology. Biotinylation is confirmed to be ≥90%.