Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3ll8A 4or9A 4or9B 5b8iA 5b8iB 3ll8A 100 93 33 89 31 4or9A 93 100 43 88 43 4or9B 49 44 100 41 79 5b8iA 89 88 37 100 38 5b8iB 37 36 79 33 100 FOLD SIMILARITY (Z-SCORE) 3ll8A 4or9A 4or9B 5b8iA 5b8iB 3ll8A 62.1 57.4 0 56.7 0 4or9A 57.4 68.7 0 56 0 4or9B 0 0 29.2 0 23.4 5b8iA 56.7 56 0 62.4 0 5b8iB 0 0 23.4 0 30.5