1. d.350.1 YcgL-like YcgL-like beta(2)-alpha-beta-alpha-beta; 3 layers: a/b/a; antiparallel beta-sheet, order:3124 2h7a d2h7aa1 A:14-22,26-32,41-49,50-59,81-87 2. d.375.1 NE1680-like NE1680-like beta(2)-alpha-beta-alpha-beta; 2 layers, a/b; antiparallel sheet, order 3124 2hfq d2hfqa1 A:1-12,16-25,28-44,54-63,76-82 3. d.252.1 CheC-like CheC-like duplication: tandem repeat of two intertwined alpha-beta-(X)-beta(2) motifs 1squ d1squb_ B:41-51,53-60,61-74,110-122,144-152 1xko d1xkob_ B:41-51,52-61,61-74,110-122,144-154 1squ d1squa_ A:41-51,53-61,61-74,110-122,144-152 1xko d1xkoa_ A:41-51,53-61,61-74,110-122,144-152 1squ d1squb_ B:41-51,53-60,82-108,110-122,144-152 1xko d1xkoa_ A:41-51,53-61,82-105,110-122,144-152 1xkr d1xkra_ A:59-70,72-80,103-130,132-144,180-190 2f9z d2f9za1 A:59-70,72-80,103-130,132-144,180-190 1xko d1xkob_ B:41-51,52-61,82-108,110-122,144-154 1squ d1squa_ A:41-51,53-61,82-108,110-122,144-152 2f9z d2f9zb1 B:59-70,72-80,103-130,132-144,180-190 5. b.129.1 AbrB/MazE/MraZ-like members of this superfamily are known or predicted to have DNA-binding function ! Double-split beta-barrel pseudobarrel; capped on both ends by alpha-helices 1n0e d1n0ea_ A:53-61,63-69,69-84,101-106,135-141 1n0f d1n0fc_ C:53-61,63-69,69-84,101-106,135-141 1n0f d1n0ff_ F:53-61,63-69,69-84,101-106,135-141 1n0f d1n0fa_ A:53-61,63-69,69-84,101-106,135-141 1n0f d1n0fd_ D:53-61,63-69,69-84,101-106,135-141 1n0f d1n0fb_ B:53-61,63-69,69-84,101-106,135-141 1n0f d1n0fh_ H:53-61,63-69,69-84,101-106,136-141 1n0e d1n0eh_ H:53-61,63-69,69-84,101-106,136-141 1n0g d1n0gb_ B:53-61,63-69,69-84,101-106,136-141 1n0g d1n0ga_ A:53-61,63-69,69-84,101-106,136-141 1n0e d1n0ed_ D:53-61,63-69,69-84,101-106,136-141 1n0e d1n0ef_ F:53-61,63-69,69-84,101-106,136-141 1n0e d1n0eb_ B:53-61,63-69,69-84,101-106,136-141 1n0e d1n0ee_ E:53-61,63-69,69-84,101-106,136-141 1n0e d1n0ec_ C:53-61,63-69,69-84,101-106,136-141 1n0f d1n0fe_ E:53-61,63-69,69-84,101-106,136-141 1n0e d1n0eg_ G:53-61,63-69,69-84,101-106,136-141 1n0f d1n0fg_ G:53-61,63-69,69-84,102-106,136-141 6. e.39.1 YebC-like YebC-like 3 domains: (1) 3-helical bundle; (2 and 3 ) alpha+beta of different folds: domain 3 has a ferredoxin-like fold and is inserted in domain 2 1lfp d1lfpa_ A:82-92,94-104,105-121,121-125,230-238 1mw7 d1mw7a_ A:78-88,90-100,101-117,118-122,231-238 9. d.343.1 MM3350-like MM3350-like beta(2)-alpha-beta(4); antiparallel beta-sheet; order: 216534; similar to a ubiquitin-like fold with the extra C-terminal strand inserted in the middle of the beta-sheet 2i1s d2i1sa1 A:6-16,22-30,33-46,110-123,130-137 2i1s d2i1sb1 B:6-16,22-30,33-46,110-123,130-137 10. d.135.1 The spindle assembly checkpoint protein mad2 N- and C-termini undergo large conformational rearrangement upon ligand binding ! The spindle assembly checkpoint protein mad2 core: alpha(2)-beta(2)-alpha-beta; mixed sheet: order 213 1go4 d1go4a_ A:80-92,93-107,120-142,148-159,190-200 1go4 d1go4c_ C:80-92,93-107,120-142,148-159,190-201 1go4 d1go4b_ B:80-92,93-107,120-142,148-159,190-201 2v64 d2v64f1 F:80-92,93-107,120-142,148-158,190-201 2v64 d2v64a1 A:80-92,93-107,120-142,148-158,190-201 2v64 d2v64c1 C:80-92,93-107,120-142,148-158,190-201 1go4 d1go4d_ D:80-92,93-107,120-143,148-159,190-201 1klq d1klqa_ A:82-93,97-109,122-145,150-160,192-203 1s2h d1s2ha_ A:81-92,93-107,119-143,148-157,190-201