Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1aieA 2h9dA 2h9dB 4x82A 4x82B 1aieA 100 8 8 0 0 2h9dA 0 100 96 33 33 2h9dB 0 96 100 26 29 4x82A 0 0 49 100 96 4x82B 0 38 41 96 100 FOLD SIMILARITY (Z-SCORE) 1aieA 2h9dA 2h9dB 4x82A 4x82B 1aieA 5.8 1.4 1 0.2 0 2h9dA 0 15.2 13.2 0.6 0 2h9dB 0 13.2 15.9 0 0.6 4x82A 0 0 1.1 33.5 25.1 4x82B 0 1.4 1.1 25.1 31.2