BD, 570108, BB515 Mouse Anti-MR1 26.5

Name: BB515 Mouse Anti-MR1 26.5
Brand: BD
SKU: 570108

25 µg

Catalog Number: 570108

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Category

Cell Cycle Reagents

TagsReagents Flow Cytometry Reagents research-reagents

CollectionsBD Flow Cytometry Reagents for Multicolor Panels BD Single-Cell Multiomics Reagents for the BD Rhapsody™ Platform BD Immunoassay Reagents: CBA, ELISA & ELISPOT for Cytokine Panels

Description

The 26.5 monoclonal antibody specifically recognizes MHC-related protein 1 (MR1). MRI is a nonclassical MHC class Ib molecule. It is comprised of a ~40 kDa, highly conserved transmembrane a heavy chain that is a type I glycoprotein which is noncovalently-associated with an invariant ß2-microglobulin (ß2m) light chain. The N-terminal extracellular region of the HLA class I heavy chain is comprised of three domains (a1, a2, and a3). The a1 and a2 domains form a closed antigen-binding groove that accommodates small antigens whereas the a3 domain interacts with ß2m. MR1 is an antigen-presenting molecule that is specialized in displaying metabolites derived from microbial riboflavin biosynthesis to a small population of aß T-cells expressing an invariant TCR a chain called mucosal-associated invariant T-cells (MAIT). This function is essential to the development and expansion of MAIT cells. The 8F2.F9 and 26.5 monoclonal antibodies reportedly bind to different MRI epitopes. Clone 26.5 has been shown to crossreact with mouse and rat as well as human MR1.
BD® CompBeads can be used as surrogates to assess fluorescence spillover (compensation). When fluorochrome conjugated antibodies are bound to BD® CompBeads, they have spectral properties very similar to cells. However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls. It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and BD® CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application. For optimal and reproducible results, BD Horizon Brilliant™ Stain Buffer should be used anytime BD Horizon Brilliant™ dyes are used in a multicolor flow cytometry panel. Fluorescent dye interactions may cause staining artifacts which may affect data interpretation. The BD Horizon Brilliant Stain Buffer was designed to minimize these interactions. When BD Horizon Brilliant Stain Buffer is used in in the multicolor panel, it should also be used in the corresponding compensation controls for all dyes to achieve the most accurate compensation. For the most accurate compensation, compensation controls created with either cells or beads should be exposed to BD Horizon Brilliant Stain Buffer for the same length of time as the corresponding multicolor panel. More information can be found in the Technical Data Sheet of the BD Horizon Brilliant Stain Buffer (Cat. No. 563794/566349) or the BD Horizon Brilliant Stain Buffer Plus (Cat. No. 566385). For optimal results, it is recommended to perform 2 washes after staining with antibodies. Cells may be prepared, stained with antibodies and washed twice with wash buffer per established protocols for immunofluorescence staining, prior to acquisition on a flow cytometer. Performing fewer than the recommended wash steps may lead to increased spread of the negative population.
The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to the dye under optimum conditions and unconjugated antibody and free dye were removed. Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
1. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
2. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
3. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
4. An isotype control should be used at the same concentration as the antibody of interest.
5. For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
6. Species cross-reactivity detected in product development may not have been confirmed on every format and/or application.
7. Please refer to http://regdocs.bd.com to access safety data sheets (SDS).
8. Alexa Fluor™ is a trademark of Life Technologies Corporation.
9. For U.S. patents that may apply, see bd.com/patents.

Specifications

General

Source	Human TNF-α, amino acids Val77-Leu233 (Accession# NM_000594), was expressed in E. coli.
Molecular Mass	The 157 amino acid recombinant protein has a predicted molecular mass of 17,352 Da. The DTT-reduced protein and non-reduced protein migrate at approximately 16kDa by SDS-PAGE. The N-terminal amino acid is Val.
Purity	Purity is >98%, as determined by Coomassie stained SDS-PAGE.
Formulation	0.22 µm filtered protein solution is in 10 mM Sodium Phosphate buffer, 150 mM NaCl, pH 7.2.
Endotoxin Level	Endotoxin level is <0.1 EU/µg (<0.01ng/µg) protein as determined by the LAL method.
Concentration	10 and 50 µg sizes are bottled at 200 µg/mL. 100 µg size and larger sizes are lot-specific and bottled at the concentration indicated on the vial. To obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.
Storage & Handling	Unopened vial can be stored between 2°C and 8°C for up to 2 weeks, at -20°C for up to six months, or at -70°C or colder until the expiration date. For maximum results, quick spin vial prior to opening. The protein can be aliquoted and stored at -20°C or colder. Stock solutions can also be prepared at 50 - 100 µg/mL in appropriate sterile buffer, carrier protein such as 0.2 - 1% BSA or HSA can be added when preparing the stock solution. Aliquots can be stored between 2°C and 8°C for up to one week and stored at -20°C or colder for up to 3 months. Avoid repeated freeze/thaw cycles.

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BD, 570108, BB515 Mouse Anti-MR1 26.5

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