Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1c9kA 1c9kB 1c9kC 1h6wA 1qreA 1c9kA 100 96 96 12 20 1c9kB 96 100 93 7 27 1c9kC 96 93 100 8 58 1h6wA 5 7 5 100 41 1qreA 22 59 59 32 100 FOLD SIMILARITY (Z-SCORE) 1c9kA 1c9kB 1c9kC 1h6wA 1qreA 1c9kA 34.4 30.7 29.2 0 0 1c9kB 30.7 35.4 29.1 0 0 1c9kC 29.2 29.1 33.4 0 0 1h6wA 0 0 0 15.6 0 1qreA 0 0 0 0 42.1