Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1f9zA 1j5wA 1j5wB 2p25A 3e5dA 1f9zA 100 31 38 56 55 1j5wA 31 100 98 18 37 1j5wB 31 98 100 18 41 2p25A 56 45 19 100 57 3e5dA 55 37 41 88 100 FOLD SIMILARITY (Z-SCORE) 1f9zA 1j5wA 1j5wB 2p25A 3e5dA 1f9zA 26.2 0 0 14.2 16.6 1j5wA 0 47.6 43.3 0.7 1.1 1j5wB 0 43.3 48.3 0.8 0.6 2p25A 14.2 0.7 0.5 24.6 14.8 3e5dA 16.6 1.1 0.6 8.6 25.7