Mouse FCRLA Antibody

R&D Systems, part of Bio-Techne | Catalog # AF7905

R&D Systems, part of Bio-Techne
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AF7905
AF7905-SP
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Key Product Details

Species Reactivity

Mouse

Applications

Western Blot

Label

Unconjugated

Antibody Source

Polyclonal Sheep IgG

View all FCRLA Antibodies »

Product Specifications

Immunogen

E. coli-derived recombinant mouse FCRLA
Lys221-Lys352 (Ile321Met)
Accession # Q920A9

Specificity

Detects mouse FCRLA in direct ELISAs and Western blots. In direct ELISA, less than 5% cross-reactivity with recombinant human FCRLA is observed.

Clonality

Polyclonal

Host

Sheep

Isotype

IgG

Scientific Data Images for Mouse FCRLA Antibody

Detection of Mouse FCRLA antibody by Western Blot.

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 1 µg/mL of Sheep Anti-Mouse FCRLA Antigen Affinity-purified Polyclonal Antibody (Catalog # AF7905) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for FCRLA at approximately 40-45 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Applications for Mouse FCRLA Antibody

Application
Recommended Usage

Western Blot

1 µg/mL
Sample: CH‑1 mouse B cell lymphoma cell line

Formulation, Preparation, and Storage

Purification

Antigen Affinity-purified

Reconstitution

Sterile PBS to a final concentration of 0.2 mg/mL. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
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Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

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 gammaRI 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

Alternate Names

FCRLc1, FCRLM1, FCRLX, FcRX, FREB

Entrez Gene IDs

84824 (Human); 98752 (Mouse)

Gene Symbol

FCRLA

UniProt

Q920A9

Additional FCRLA Products

Product Documents for Mouse FCRLA Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Mouse FCRLA Antibody

For research use only

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