Human CD2 Antibody

Catalog #: MAB18561 Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB18561
MAB18561-SP

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Human CD2 Antibody Summary

Species Reactivity

Human

Specificity

Detects recombinant human CD2 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant mouse (rm) CD2 or rmCD2F-10 is observed.

Source

Monoclonal Mouse IgG₁ Clone # 299812

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

Mouse myeloma cell line NS0-derived recombinant human CD2
Lys25-Asp209
Accession # P06729

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.

Applications

Recommended Concentration

Sample

Flow Cytometry

2.5 µg/10⁶ cells

Human whole blood lymphocytes

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Immunocytochemistry

8-25 µg/mL

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.

Scientific Data

Immunocytochemistry

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CD2 in Human PBMCs. CD2 was detected in immersion fixed human peripheral blood mononuclear cells (PBMCs) using 10 µg/mL Mouse Anti-Human CD2 Monoclonal Antibody (Catalog # MAB18561) for 3 hours at room temperature. Cells were stained with the NorthernLights™ 557-conjugated Donkey Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). View our protocol for Fluorescent ICC Staining of Non-adherent Cells.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.5 mg/mL in sterile 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: CD2

CD2 is a type I glycoprotein belonging to the Ig superfamily and is expressed on T, NK, B, and some antigen presenting cells. Human CD2 binds human CD58 on antigen-presenting cells to induce co-stimulating signals in T cells.

Entrez Gene IDs

914 (Human); 12481 (Mouse); 102120798 (Cynomolgus Monkey)

Alternate Names

CD2 antigen (p50), sheep red blood cell receptor; CD2 antigen; CD2 molecule; CD2; Erythrocyte receptor; FLJ46032; LFA-2; LFA-3 receptor; lymphocyte-function antigen-2; Rosette receptor; SRBC; T11; T-cell surface antigen CD2; T-cell surface antigen T11/Leu-5