Preparation And Storage
Recommended Assay Procedures
Western blot: Please refer to http://www.bdbiosciences.com/support/resources/cell_biology/index.jsp
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.
Sorting of integral membrane proteins is mediated vesicular trafficking between a variety of organelles. Two sorting signals are tyrosine-based and dileucine-based signals that interact with heterotetrameric adaptor protein complexes (AP-1, AP-2, AP-3, and AP-4), which are associated with the vesicle coats. These coatomers contain two large adaptin proteins (γ, α, δ, ε, and β1, β2, β3, β4 respectively) that are noncovalently linked to one medium chain (µ1, µ2, µ3, µ4 respectively) and one small chain ( σ1, σ2, σ3, σ4 respectively). The AP-1 and AP-3 complexes are involved in protein sorting from the TGN and endosomes, while AP-2, µ2 (AP50) interacts with integral membrane proteins via binding to tyrosine-based signals with the canonical motif YXXΦ. In addition, AP50/µ2 is required for both the assembly and the proton transport activity of vacuolar (H+)-ATPases in clathrin coated vesicles. Thus, AP50/µ2 may be involved in targeting integral membrane proteins that are sorted based on tyrosine-based signals and involved in assembly of functional ion channels associated with clathrin coated vesicles.
Development References (2)
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Ohno H, Stewart J, Fournier MC et al. Interaction of tyrosine-based sorting signals with clathrin-associated proteins. Science. 1995; 269(5232):1872-1875. (Biology). View Reference
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Vecchi M, Polo S, Poupon V, van de Loo JW, Benmerah A, Di Fiore PP. Nucleocytoplasmic shuttling of endocytic proteins. J Cell Biol. 2001; 153(7):1511-1517. (Clone-specific: Immunofluorescence). View Reference
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