3. e.54.1 CbiD-like CbiD-like 2 domains; (1) alpha+beta (res 1-192), a circularly permuted rS5 domain 2-like fold (scop_cf 54210); (2) alpha/beta with parallel beta-sheet of 4 strands, order 2134 1sr8 d1sr8a_ A:102-112,115-121,122-126,154-161