Detects human FCRL2/FcRH2 in direct ELISAs and Western blots. In Western blots, approximately 5% cross-reactivity with recombinant human (rh) IRTA5 is observed and less than 2% cross-reactivity with rhITRA1, rhIRTA2, and rhIRTA3 is observed.
Polyclonal Goat IgG
Mouse myeloma cell line NS0-derived recombinant human FCRL2/FcRH2 Glu15-Asp395 Accession # Q96LA5
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Detection of FCRL2/FcRH2 in Human B Cells by Flow Cytometry. Human whole blood CD19 + B cells were stained with Goat Anti-Human FCRL2/FcRH2 Antigen Affinity‑purified Polyclonal Antibody (Catalog # AF2048) followed by Allophycocyanin-conjugated Anti-Goat IgG Secondary Antibody (Catalog # F0108) and Human CD19 Phycoerythrin-conjugated Monoclonal Antibody (Catalog # FAB4867P). Quadrant markers were set based on control antibody staining (Catalog # AB‑108‑C).
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
Fc receptor homologs, also known as IRTA or IFGP (IgSF, FcR, gp42) proteins, are transmembrane proteins with sequence homology to classical Fc receptors. FcRH have from three to nine Ig-like domains in their extracellular region and variable combinations of cytoplasmic immunotyrosine activation or inhibitory motifs (ITAM or ITIM). FcRH function as activating or inhibitory receptors on discrete B cell populations and are involved in lymphocyte development and transformation. No ligands for these proteins have been identified.
Fc Receptor-like 2
Entrez Gene IDs:
CD307b antigen; CD307b; Fc receptor homolog 2; Fc receptor-like 2; FcRH2; FCRH2SPAP1B; FcRL2; FcR-like protein 2; IFGP family protein 4; IFGP4; Immunoglobulin receptor translocation-associated protein 4; immunoglobulin superfamily Fc receptor, gp42; IRTA4; IRTA4SPAP1C; SH2 domain containing phosphatase anchor protein 1; SH2 domain-containing phosphatase anchor protein 1Fc receptor-like protein 2; SPAP1; SPAP1A; SPAP1immune receptor translocation-associated protein 4
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