Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1qu1A 1qu1B 1qu1C 2ieqA 2ieqB 2ieqC 1qu1A 100 99 98 0 0 0 1qu1B 99 100 96 0 0 0 1qu1C 98 98 100 19 21 19 2ieqA 16 14 18 100 98 99 2ieqB 16 13 19 98 100 99 2ieqC 16 15 18 99 99 100 FOLD SIMILARITY (Z-SCORE) 1qu1A 1qu1B 1qu1C 2ieqA 2ieqB 2ieqC 1qu1A 15.5 12.5 12.5 0 0 0 1qu1B 9.3 16.6 13.7 0 0 0 1qu1C 12.5 13.9 16.4 3.5 2.7 2.7 2ieqA 4.9 4.3 4.4 14.1 13.1 12.8 2ieqB 5 4.3 4.1 13.1 14.2 13.2 2ieqC 4.9 3.3 4.4 12.4 13.2 14