Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3cloA 4ky9A 5noiA 3cloA 100 68 37 4ky9A 67 100 44 5noiA 56 51 100 FOLD SIMILARITY (Z-SCORE) 3cloA 4ky9A 5noiA 3cloA 43.2 0.8 0 4ky9A 0.9 49.8 0 5noiA 0 0 26