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. 2009 May 29;284(32):21637–21646. doi: 10.1074/jbc.M109.013508

FIGURE 3.

FIGURE 3.

The N-terminal interaction of Syntaxin1a with Munc18-1 measured by ITC. Raw data (top panel) and integrated normalized ITC data (bottom panel) for binding of Sx1a-(2–243) to Munc18-1 WT (closed squares) and Munc18-1-F115E/E132A (closed triangles). Experiments were performed by injecting 3.1-μl aliquots of 25 μm Sx1a-(2–243) into 2.5 μm Munc18-1 proteins at 298 K.