Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1qbzA 1qbzB 1qbzC 2ieqA 2ieqB 2ieqC 1qbzA 100 90 36 30 32 31 1qbzB 90 100 95 30 32 31 1qbzC 36 95 100 22 24 23 2ieqA 30 29 23 100 98 99 2ieqB 32 31 25 98 100 99 2ieqC 31 30 24 99 99 100 FOLD SIMILARITY (Z-SCORE) 1qbzA 1qbzB 1qbzC 2ieqA 2ieqB 2ieqC 1qbzA 14.6 13 9.3 8 8.4 8.4 1qbzB 13 15.6 14.1 7.5 7.9 7.8 1qbzC 9.9 14.1 15.8 7 7.3 7.2 2ieqA 8.2 7.7 6.7 14.1 13.1 12.8 2ieqB 8.6 8 7 13.1 14.2 13.2 2ieqC 8.5 7.9 7.1 12.4 13.2 14