1. c.103.1 MTH938-like MTH938-like core: 3 layers, b+a/b/a ; the central mixed sheet of 5 strands: order 21534; strand 2 is antiparallel to the rest 1ihn d1ihnb_ B:11-17,29-35,71-79,83-87,112-120 1ihn d1ihnb_ B:24-28,29-35,71-79,83-87,112-120