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Kits are available for the extraction of cytoplasmic and nuclear proteins, membrane proteins of various complexities, and proteins involved in intracellular membrane trafficking and signaling pathways.
Differences in 2-D patterns using ReadyPrep signal (A), membrane I (B), and membrane II (C) kits. Mouse liver samples were extracted using the recommended protocols for each kit. Purified protein (~450 µg) was focused on 17 cm pH 3–10 nonlinear ReadyStrip IPG strips and run on 8–16% PROTEAN II precast gels for the second dimension. Overall spot patterns differ for A, B, and C even though all three kits isolate membrane proteins, indicating each kit isolates different types of membrane proteins.
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