Mouse FCRLA Antibody

  
  • Species Reactivity
    Mouse
  • Specificity
    Detects mouse FCRLA in ELISA.
  • Source
    Monoclonal Rat IgG2A Clone # 865910
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    E. coli-derived recombinant mouse FCRLA
    Lys221-Lys352
    Accession # Q920A9
  • Formulation
    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.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    2 µg/mL
    See below
  • Flow Cytometry
    2.5 µg/106 cells
    See below
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Mouse FCRLA by Western Blot. Western blot shows lysates of CH‑1 mouse B cell lymphoma cell line. PVDF membrane was probed with 2 µg/mL of Rat Anti-Mouse FCRLA Monoclonal Antibody (Catalog # MAB7905) followed by HRP-conjugated Anti-Rat IgG Secondary Antibody (Catalog # HAF005). A specific band was detected for FCRLA at approximately 40 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Detection of FCRLA in Mouse Splenocytes by Flow Cytometry. Mouse splenocytes were stained with Rat Anti-Mouse B220/CD45R PE‑conjugated Monoclonal Antibody (Catalog # FAB1217P) and either (A) Rat Anti-Mouse FCRLA Monoclonal Antibody (Catalog # MAB7905) or (B) Rat IgG2A Isotype Control (Catalog # MAB006) followed by Allophycocyanin-conjugated Anti-Rat IgG Secondary Antibody (Catalog # F0113). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with saponin.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    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.
Background: FCRLA
FCRLA (Fc Receptor-Like A; also known as FcRX and Fc receptor Homolog Expressed in B cells) is a 44 kDa intracellular member of the Fc gamma RI class, FcR family, Immunoglobulin Superfamily of molecules. It is associated with B lineage cells, and has been identified in virtually all splenic B cells, peritoneal B1b and B2 B cells, and immature through mature bone marrow B cells. Not all cells show equal expression patterns. In the spleen, weak FCRLA expression occurs in naïve follicular and marginal zone B cells, and increases with activation state. FcRLA is suggested to act as an ER chaperone during antibody maturation, and is known to bind to IgM, IgA, and IgG prior to their secretion. Mouse FCRLA is synthesized as a 34 kDa, 322 amino acid (aa) precursor that contains a 30 aa signal sequence, two C2‑type Ig‑like domains (aa 80-169 and 182-26), and a C-terminal poly-Proline region (aa 289-294). Although there is no traditional ER retention signal, a viable substitute is assumed to exist at the N-terminus of the mature molecule. FCRLA is believed to exist naturally as a monomer; however, disulfide-linkage can occur during experimental manipulation. While four potential isoform variants are reported, it is unclear if any are actually expressed. One shows an Ala insertion after Ala28, a second shows an AlaIle substitution for aa 20-22, a third contains that previous AlaIle substitution coupled to a deletion of aa 90-115, while a fourth utilizes an alternative start site at Met62. Over aa 221-352, mouse FCRLA shares 68% and 55% aa sequence identity with rat and human FCRLA, respectively.
  • Long Name:
    Fc Receptor-like A
  • Entrez Gene IDs:
    84824 (Human); 98752 (Mouse)
  • Alternate Names:
    Fc receptor homolog expressed in B cells (FREB); Fc receptor homolog expressed in B-cells; Fc receptor related protein X; Fc receptor-like A; Fc receptor-like and mucin-like 1; Fc receptor-related protein X; FCRL1; FCRLA; FCRLb; FCRLc1; FCRLc2; FCRLd; FCRLe; FCRLFc receptor-like protein; FCRLM1; FCRLX; FcRX; FREB; FREBFc receptor-like and mucin-like protein 1; MGC4595
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Rat IgG2A Isotype Control

Ctrl MAB006 90  
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Normal Rat IgG Control

Ctrl 6-001-A 9
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Normal Rat IgG Control (Azide Free)

Ctrl 6-001-F 1
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Rat IgG2A Isotype Control

Ctrl MAB006R  
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Secondary Antibodies
Description Application Cat# Citations Images  

Rat IgG HRP-conjugated Antibody

WB, Simple Western HAF005 7  
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Goat Anti-Rat IgG NorthernLights™ NL557-conjugated Antibody

Flow, IHC, ICC NL013 2
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Goat Anti-Rat F(ab)2 IgG (H+L)
APC-conjugated Antibody

Flow F0113 2  
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Rat F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0105B 2  
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Goat Anti-Rat IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL015 1
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Goat Anti-Rat IgG Biotinylated Antibody

WB BAF005 2
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Rat IgG VisUCyte HRP Polymer Antibody

IHC VC005  
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Goat Anti-Rat IgG Antibody

WB AF005 1
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Rat F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0104B  
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Goat Anti-Rat IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL014
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Goat Anti-Rat F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0115 1
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