15. b.14.1 Calpain large subunit, middle domain (domain III) Calpain large subunit, middle domain (domain III) sandwich; 8 strands in 2 sheets; jelly-roll 1kfx d1kfxl2 L:356-367,377-384,479-489,493-504 1u5i d1u5ia2 A:356-367,377-385,479-489,493-504 1kfu d1kful2 L:356-367,377-384,479-489,493-504 1df0 d1df0a2 A:356-367,377-384,479-489,493-504 1qxp d1qxpa3 A:356-366,377-385,480-490,495-505 19. d.273.1 YjbQ-like YjbQ-like beta(2)-alpha-beta(2)-alpha(2)-beta(3); contains a beta-sandwich: 7 strands in 2 sheets; trimerizes with orthogonally packed beta-sheets 1vmh d1vmha_ A:4-15,20-32,111-120,122-132 1xbf d1xbfb_ B:4-13,20-32,111-120,122-133 1xbf d1xbfc_ C:4-15,20-32,111-120,122-133 1vph d1vpha_ A:2-14,21-33,113-122,125-136 1vph d1vphd_ D:2-14,21-33,113-122,125-136 1vph d1vphb_ B:2-14,21-33,113-122,125-136 1vph d1vphc_ C:2-14,20-33,113-122,125-136 1vph d1vphe_ E:2-14,20-33,113-122,125-136 1vmj d1vmja_ A:2-12,20-33,118-125,127-138 25. d.164.1 SMAD MH1 domain SMAD MH1 domain consists of four alpha-helices and three beta-ribbons 1ozj d1ozjb_ B:65-69,83-95,102-106,118-122 1mhd d1mhda_ A:65-69,83-95,102-106,118-122 1mhd d1mhdb_ B:65-69,83-95,102-106,118-122 1ozj d1ozja_ A:65-69,83-95,102-106,118-122