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S100A8/S100A9 Heterodimer Rabbit anti-Human, Clone: 1099F, R&D Systems™

Rabbit Monoclonal Antibody

$125.35 - $329.00

Specifications

Antigen S100A8/S100A9 Heterodimer
Formulation Supplied as a solution in PBS containing BSA, Glycerol and Sodium Azide. *Small pack size (SP) is supplied as a 0.2 μm filtered solution in PBS. with Sodium Azide
Format Purified
Clone 1099F
Applications Immunocytochemistry, Immunohistochemistry
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Products 2
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
Catalog Number Mfr. No. Quantity Price Quantity & Availability  
MAB45701SP View Documents R&D Systems
MAB45701SP
25 ug Each for $125.35
Add to cart
 
MAB45701100 View Documents R&D Systems
MAB45701100
100 ug Each for $329.00
Add to cart
 
Description

Description

S100A8 (also known as MRP8, Calgranulin A, and CP-10) and S100A9 (also known as MRP14 and Calgranulin B) are pro-inflammatory members of the S100 family of secreted calcium binding proteins (1, 2). They are up-regulated in neutrophils and monocytes at sites of inflammation (e.g. psoriasis, rheumatoid arthritis, cardiac ischemia) and are present at elevated concentrations in rheumatoid arthritis synovial fluid (3-5). The 10kDa human S100A8 and 14kDa S100A9 each contain two EF‑hand calcium binding motifs. Human S100A8 shares 57% and 61% amino acid (aa) sequence identity with mouse and rat S100A8, respectively. Human S100A9 shares 57% and 62% amino acid sequence identity with mouse and rat S100A9, respectively (6, 7). In the presence of calcium or zinc, S100A8 and S100A9 associate into non-covalent homodimers and 34-35kDa heterodimers with each other (8-10). The heterodimer additionally binds and sequesters manganese, thereby restricting the growth of Mn-dependent bacteria (11). The S100A8/A9 heterodimer exhibits functions beyond those performed by the individual proteins. These include binding to fatty acids such as arachidonic acid and promoting astrocyte proliferation (3, 12). S100A8, S100A9, and the heterodimer each promote neutrophil infiltration into sites of inflammation and inflammatory cytokine production by monocytes (4, 5, 9).
Specifications

Specifications

S100A8/S100A9 Heterodimer
Purified
Immunocytochemistry, Immunohistochemistry
Rabbit
Protein A or G purified from cell culture supernatant
RUO
Supplied as a solution in PBS containing BSA, Glycerol and Sodium Azide. *Small pack size (SP) is supplied as a 0.2 μm filtered solution in PBS. with Sodium Azide
1099F
Unconjugated
IgG
Use a manual defrost freezer and avoid repeated freeze-thaw cycles. 12 months from date of receipt, -20 to -70 degreesC as supplied. 1 month, 2 to 8 degreesC under sterile conditions after reconstitution. 6 months, -20 to -70 degreesC under sterile conditions after reconstitution.
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