1. c.69.1 alpha/beta-Hydrolases many members have left-handed crossover connection between strand 8 and additional strand 9 ! alpha/beta-Hydrolases core: 3 layers, a/b/a; mixed beta-sheet of 8 strands, order 12435678, strand 2 is antiparallel to the rest 1aql d1aqla_ A:81-91,99-104,115-120,136-142,436-444
2fj0 A:113-121,138-144,156-160,168-174,470-480