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Preparation And Storage
Recommended Assay Procedures
Western blot: Please refer to http://www.bdbiosciences.com/pharmingen/protocols/Western_Blotting.shtml
Product Notices
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- 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.
- Source of all serum proteins is from USDA inspected abattoirs located in the United States.
Companion Products
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The neutrophil respiratory burst oxidase (NADPH-oxidase) generates superoxide and secondary oxygen-derived toxic products in response to bacteria or a variety of soluble stimuli. The active site of this enzyme is located in an integral membrane cytochrome, b558, that consists of the two subunits gp91 [phox] and p21 [phox]. Superoxide production depends on the formation of a complex that includes p67 [phox], p47 [phox], and the GTP-binding protein Rac. Upon activation, these proteins translocate from the cytosol to the membrane where they assemble with b558 and induce oxidase activity. p67 [phox] contains two SH3 domains and binds, via its C-terminal SH3 domain, to the proline rich region of p47 [phox]. This binding allows p67 [phox] to indirectly associate with the oxidase. It is thought that the phosphorylated forms of p67 [phox] and p47 [phox] interact and that the phosphorylation of p67 [phox] is regulated by both PKC-dependent and independent pathways. Although the role of p67 [phox] in electron flow control is poorly understood, it is thought that it regulates the transfer of electrons from NADPH to reduce flavin.
Development References (5)
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Ago T, Nunoi H, Ito T, Sumimoto H. Mechanism for phosphorylation-induced activation of the phagocyte NADPH oxidase protein p47(phox). Triple replacement of serines 303, 304, and 328 with aspartates disrupts the SH3 domain-mediated intramolecular interaction in p47(phox), thereby activating the oxidase. J Biol Chem. 1999; 274(47):33644-33653. (Biology: Western blot). View Reference
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Benna JE, Dang PM, Gaudry M, et al. Phosphorylation of the respiratory burst oxidase subunit p67(phox) during human neutrophil activation. Regulation by protein kinase C-dependent and independent pathways. J Biol Chem. 1997; 272(27):17204-17208. (Biology). View Reference
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Freeman JL, Lambeth JD. NADPH oxidase activity is independent of p47phox in vitro. J Biol Chem. 1996; 271(37):22578-22582. (Biology). View Reference
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Leto TL, Adams AG, de Mendez I. Assembly of the phagocyte NADPH oxidase: binding of Src homology 3 domains to proline-rich targets. Proc Natl Acad Sci U S A. 1994; 91(22):10650-10654. (Biology). View Reference
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Leto TL, Lomax KJ, Volpp BD, et al. Cloning of a 67-kD neutrophil oxidase factor with similarity to a noncatalytic region of p60c-src. Science. 1990; 248(4956):727-730. (Biology). View Reference
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Global - Refer to manufacturer's instructions for use and related User Manuals and Technical data sheets before using this products as described
Comparisons, where applicable, are made against older BD Technology, manual methods or are general performance claims. Comparisons are not made against non-BD technologies, unless otherwise noted.
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
