Antibodies against GFP, human Rab43, calregulin, phospho-ERK1/2, and β-actin were purchased from Santa Cruz Biotechnology. Antibodies against ERK1/2 were from Cell Signaling Technology. BFA, UK14304, and Oxo-M were obtained from Sigma-Aldrich. The radioligands [3H]-RX821002 (50 Ci/mmol) and [N-methyl-3H]-scopolamine methyl chloride ([3H]-NMS, 80 Ci/mmol) were from PerkinElmer Life Sciences. All other materials were obtained as described elsewhere (63 (link)).
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