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Merck

341283

Factor P, Human

Factor P, Human, is a native glycoprotein found in di-, tri-, and tetrameric form (92, 138 & 184 kDa). Accelerates complement activation by binding to and stabilizing the C3 and C5 convertases.

Synonym(s):

Properdin

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About This Item

NACRES:
NA.25
UNSPSC Code:
12352202

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Product Name

Factor P, Human, Factor P, Human, is a native glycoprotein found in di-, tri-, and tetrameric form (92, 138 & 184 kDa). Accelerates complement activation by binding to and stabilizing the C3 and C5 convertases.

assay

≥90% (SDS-PAGE)

form

liquid

manufacturer/tradename

Calbiochem®

storage condition

OK to freeze
avoid repeated freeze/thaw cycles

impurities

IgG, IgA, IgM, Factor I, Factor B, Factor H, C3, C4, or albumin, trace (Ouchterlony)

shipped in

wet ice

storage temp.

−70°C

Quality Level

100

Disclaimer

RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.
Toxicity: Standard Handling (A)

General description

Native factor P from human serum. Glycoprotein found in circulating blood plasma in dimeric, trimeric, and tetrameric forms with M.W. of ~92 kDa, ~138 kDa, and ~184 kDa, respectively. Present in normal human serum at about 20 µg/ml. Regulatory protein of the alternative pathway of complement activation. Accelerates complement activation by binding to and stabilizing the alternative pathway C3 and C5 convertase enzymes.

Other Notes

Pangburn, M.K., et al. 1988. Methods Enzymol. 162, 639.
Smith, C.A., et al. 1984. J. Biol. Chem. 259, 4582.

Physical form

In PBS, pH 7.2.

Preparation Note

Following initial thaw, aliquot and freeze (-70°C).
Prepared from serum that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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