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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GTPases (Ras, Rho, cdc42Hs, and rac) modulate various cellular functions such as cytoskeletal architecture, growth, motility, and gene expression. The activity of the GTP-binding proteins is regulated by factors that accelerate GTP-binding (GAPs) and proteins that enhance the rate of GTP hydrolysis (GTPases). IQGAP1 is Ras-GAP related protein that contains a WW domain that binds poly-proline regions, a calponin-homology domain (CHD), an IQ domain of unconventional myosins, and a C-terminal GAP-related domain (GRD). IQGAP1 co-immunoprecipitates with cdc42 and calmodulin, and colocalizes with cdc42Hs at the leading edges of the plasma membrane and at the cell-cell junctions. IQGAP1 may interact with both cadherins and catenins leading to dissociation of these proteins from sites of cell adhesion. Thus, IQGAP1 may be a Rac1 and Cdc42 effector that negatively regulates cadherin-mediated cell junctions.
Development References (5)
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Hart MJ, Callow MG, Souza B, Polakis P. IQGAP1, a calmodulin-binding protein with a rasGAP-related domain, is a potential effector for cdc42Hs. EMBO J. 1996; 15(12):2997-3005. (Biology). View Reference
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Kuroda S, Fukata M, Kobayashi K, et al. Identification of IQGAP as a putative target for the small GTPases, Cdc42 and Rac1. J Biol Chem. 1996; 271(38):23363-23367. (Biology). View Reference
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Li S, Wang Q, Chakladar A, Bronson RT, Bernards A. Gastric hyperplasia in mice lacking the putative Cdc42 effector IQGAP1. Mol Cell Biol. 2000; 20(2):697-701. (Biology: Western blot). View Reference
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Mbele GO, Deloulme JC, Gentil BJ, et al. The zinc- and calcium-binding S100B interacts and co-localizes with IQGAP1 during dynamic rearrangement of cell membranes. J Biol Chem. 2002; 277(51):49998-50007. (Biology: Western blot). View Reference
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Ruiz-Velasco R, Lanning CC, Williams CL. The activation of Rac1 by M3 muscarinic acetylcholine receptors involves the translocation of Rac1 and IQGAP1 to cell junctions and changes in the composition of protein complexes containing Rac1, IQGAP1, and actin. J Biol Chem. 2002; 277(36):33081-33091. (Biology: Immunofluorescence, Immunoprecipitation, Western blot). View Reference
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