Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3jz3A 3jz3B 4me7A 4me7B 6f63A 6f63B 6f63C 3jz3A 100 91 0 0 0 0 0 3jz3B 91 100 0 0 0 0 0 4me7A 41 0 100 96 0 0 0 4me7B 53 55 96 100 0 0 0 6f63A 3 3 0 0 100 99 99 6f63B 3 3 0 0 99 100 98 6f63C 0 4 0 13 99 98 100 FOLD SIMILARITY (Z-SCORE) 3jz3A 3jz3B 4me7A 4me7B 6f63A 6f63B 6f63C 3jz3A 31.9 26.1 0 0 0 0 0 3jz3B 26.1 32.5 0 0 0 0 0 4me7A 0 0 24.5 20.4 0 0 0 4me7B 0 0 20.4 25.1 0 0 0 6f63A 0 0 0 0 8.6 7.7 7.9 6f63B 0 0 0 0 7.7 8.6 7.6 6f63C 0 0 0 0 7.9 7.6 8.5