Detection of Plexin B2 in Whole Blood Monocytes by Flow Cytometry. Whole blood monocytes were stained with Mouse Anti-Human Plexin B2 APC‑conjugated Monoclonal Antibody (Catalog # FAB53291A, filled histogram) or isotype control antibody (Catalog # IC003A, open histogram). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Protect from light. Do not freeze.
12 months from date of receipt, 2 to 8 °C as supplied.
Background: Plexin B2
Plexin B2 is a 240 kDa member of the B subfamily, plexin family of semaphorin receptors. It is expressed by cerebellar granule cells, neuroepithelium and chondrocytes, and serves as a receptor for Semaphorin 4C. Mature human Plexin B2 is 1819 amino acid (aa) in length. It is a type I transmembrane (TM) glycoprotein that contains an 1178 aa extracellular domain (ECD) plus a 620 aa cytoplasmic region. The ECD contains one semaphorin domain (aa 20‑466) and three IPT repeats (aa 803‑1092). The ECD may be cleaved into two subunits, a 170 kDa alpha -chain (aa 20‑1164) and an 80 kDa TM beta ‑chain that remain noncovalently‑linked. Multiple splice variants may exist. One shows an alternate start site at Met1369, while a second shows a deletion of aa 67‑638. Over aa 20‑1160, human Plexin B2 is 82% aa identical to mouse Plexin B2.
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