Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1dowA 1dowB 1vl6A 4onsA 4onsB 1dowA 100 0 30 85 0 1dowB 0 100 4 0 0 1vl6A 63 0 100 60 0 4onsA 85 0 36 100 0 4onsB 0 0 3 0 100 FOLD SIMILARITY (Z-SCORE) 1dowA 1dowB 1vl6A 4onsA 4onsB 1dowA 29.2 0 0 20.9 0 1dowB 0.7 4.7 0 0.8 1 1vl6A 0 0 65.7 0 0 4onsA 20.9 0 0 30.5 0 4onsB 1.1 0.3 0 1.9 11.2