Mouse BTLA Alexa Fluor® 488-conjugated Antibody

Datasheet / CoA / SDS
Product Details
Supplemental Products
  • Species Reactivity
  • Specificity
    Detects mouse BTLA in direct ELISAs and Western blots.
  • Source
    Monoclonal Rat IgG2B Clone # 753131
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    Mouse myeloma cell line NS0-derived recombinant mouse BTLA
    Accession # Q7TSA3
  • Formulation
    Supplied in a saline solution containing BSA and Sodium Azide.
  • Label
    Alexa Fluor 488
Product Datasheets

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  • Flow Cytometry
    5 µL/106 cells
    See below
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 Example
Detection of BTLA in Mouse Splenocytes by Flow Cytometry. Mouse splenocytes were stained with Rat Anti-Mouse B220/CD45R APC‑conjugated Monoclonal Antibody (Catalog # FAB1217A) and either (A) Rat Anti-Mouse BTLA Alexa Fluor® 488‑conjugated Monoclonal Antibody (Catalog # FAB7600G) or (B) Rat IgG2B Alexa Fluor 488 Isotype Control (Catalog # IC013G). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
  • Shipping
    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: BTLA

B- and T-lymphocyte attenuator (BTLA; also known as CD272) is a 70 kDa, Ig-superfamily, type I transmembrane glycoprotein that is structurally similar to the CD28 family of T cell co-stimulatory or coinhibitory molecules (1-3). Unlike CD28 family members, however, the BTLA extracellular Ig domain is an I-type rather than a V-type domain, and BTLA does not form homodimers (4). BTLA also differs from CD28 family members through the interaction of its Ig domain with the TNF superfamily member HVEM (herpes virus entry mediator; also known as TNFSF14) rather than with B7 family ligands (5). BTLA is a coinhibitory molecule expressed on T cells, B cells and, depending on the mouse strain, macrophages, dendritic and NK cells (6). Expression is low in naïve T cells and increased during antigen-specific induction of anergy. In B cells, BTLA is highest when cells are mature and naïve (6). BTLA apparently limits T cell numbers, since deletion of BTLA results in overproduction of T cells, especially CD8+ memory T cells that are hyper-responsive to TCR crosslinking (7). The 305 amino acid (aa) BTLA contains a 29 aa signal sequence, a 153 aa extracellular domain (ECD), a 21 aa transmembrane sequence, and a 102 aa cytoplasmic domain. There are two ITIM motifs and three Tyr phosphorylation sites in the cytoplasmic tail that mediate inhibitory signaling (8, 9). The binding of the BTLA to HVEM does not preclude additional binding of a mammalian stimulatory HVEM ligand, either LIGHT or lymphotoxin-alpha to the complex (4). At least three alleles varying by up to ten extracellular amino acids occur in different mouse strains (6). The ECD of C57BL/6 BTLA shows 51%, 77% and 40% aa identity to that of human, rat and canine BTLA, respectively. A splice variant lacking the Ig domain, termed BTLAs, has been reported (3).

  • References:
    1. Murphy, K. M. et al. (2006) Nat. Rev. Immunol. 6:671.
    2. Croft, M. (2005) Trends Immunol. 26:292.
    3. Watanabe, N. et al. (2003) Nat. Immunol. 4:670.
    4. Compaan, D. M. et al. (2005) J. Biol. Chem. 280:39553.
    5. Sedy, J. R. et al. (2005) Nat. Immunol. 6:90.
    6. Hurchla, M. A. et al. (2005) J. Immunol. 174:3377.
    7. Krieg, C. et al. (2007) Nat. Immunol. 8:162.
    8. Gavrieli, M. et al. (2003) Biochem. Biophys. Res. Commun. 312:1236.
    9. Chemnitz, J. M. et al. (2006) J. Immunol. 176:6603.
  • Long Name:
    B- And T-Lymphocyte Attenuator
  • Entrez Gene IDs:
    151888 (Human); 208154 (Mouse)
  • Alternate Names:
    B and T lymphocyte associated; B and T lymphocyte attenuator; B- and T-lymphocyte attenuator; B- and T-lymphocyte-associated protein; BTLA; BTLA1; CD272 antigen; CD272; FLJ16065; MGC129743
Related Research Areas


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Isotype Controls
Description Application Cat# Citations Images  

Rat IgG2B Alexa Fluor® 488-conjugated Isotype Control

Ctrl IC013G
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Staining Reagents
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Flow Cytometry Staining Buffer (1X)

Flow FC001 7
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Flow Cytometry Mouse Lyse Buffer (10X)

Flow FC003 5
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Flow Cytometry Human Lyse Buffer (10X)

Flow FC002 1
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