... twoatoms (i,j), of types ti and tj, and Nobs(dij,ti,tj) represents thenumber of atoms of types ti and tjobserved in the structuretraining set, separated by a distance of at least ... examples of binding-sequencediscrimination, the native sequences of the RRM1 of Sex-lethal protein (1B7F_1) and KH1 domain of Poly C-binding protein-2 were both ranked first out of 256 sequences, ... structure.Some RRM and KH domains in complex with singlestrand DNA (PDB codes: 2UP1, 1WTB, 1X0F, 1ZZI and 1ZZJ) were also included in the test set because recognition of single stranded RNA and DNA are...