Fig. 2
From: Simple adjustment of the sequence weight algorithm remarkably enhances PSI-BLAST performance
Distributions of block widths used for PSSW calculation with varying numbers of iterations. Results of searches against SCOP20_training, SCOP20_validation, and CATH20-SCOP are presented, respectively, in (a) (b) and (c). Searches that converged before the eighth iteration were not used. Numbers of sequences (and blocks) used in (a) (b) and (c) are, respectively, 2502 (468286), 2473 (459375), and 1009 (135176). Numbers of searches that had not converged before each iteration are provided in Additional file 4: Table S1