Fig. 3
From: Instability in progressive multiple sequence alignment algorithms
Theoretical maximum and actual number of unique distances, and maximum theoretical number of sequences that can be aligned without duplicate distance measures. The theoretical maximum number of unique distances for each HomFam family, the actual number of unique distances found in the datasets used to generate Fig. 1, and the maximum theoretical number of sequences that can be aligned without generating duplicate distance measures based on the calculation that N sequences will produce \(N(N-1)/2\) distance measures