1. e.25.1 Sec1/munc18-like (SM) proteins Sec1/munc18-like (SM) proteins 3 domains: (1 and 2) alpha+beta; (3) mostly alpha, inserted in domain 2 1mqs d1mqsa_ A:214-219,222-244,259-266,582-586,604-612 1fvf d1fvfa_ A:184-190,192-214,224-232,500-504,537-545 1fvf d1fvfb_ B:184-190,192-214,224-232,500-504,537-545 1fvh d1fvha_ A:184-190,192-214,224-232,500-504,536-545 1epu d1epua_ A:184-190,192-214,224-232,500-504,536-545