1. e.53.1 QueA-like QueA-like 2 domains; d1 (1-64,174-335) [alpha/beta; 3 layers, a/b/a; mixed beta sheet of 9 strands, order: 219863457; strands 1, 5 and 8 are antiparallel to the rest]; d2 (65-142) [all-beta; barrel, closed (n=6, S=10); greek-key; topologically similar to the split barrel fold (scop_cf 50474) 1vky d1vkyb_ B:26-34,285-291,296-307,307-322,330-335 1vky d1vkya_ A:26-34,285-291,296-307,307-322,330-335 1wdi d1wdia_ A:27-33,295-301,306-317,317-332,340-345 4. c.56.1 HybD-like the HybD fold coincides with the consensus core structure ! Phosphorylase/hydrolase-like core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops 1cfz d1cfza_ A:56-64,73-79,78-88,91-108,112-120 1cfz d1cfzb_ B:56-64,73-79,78-88,91-108,112-120 1cfz d1cfzf_ F:56-64,73-79,78-88,91-108,112-120 1cfz d1cfze_ E:56-64,71-79,78-88,91-108,112-121 1cfz d1cfzc_ C:56-64,71-79,78-88,91-108,112-121 1cfz d1cfzd_ D:56-64,71-79,78-88,91-108,112-121