Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3fqdA 3fqdB 6bzhB 6bzhC 3fqdA 100 81 49 30 3fqdB 81 100 0 0 6bzhB 52 56 100 99 6bzhC 89 37 99 100 FOLD SIMILARITY (Z-SCORE) 3fqdA 3fqdB 6bzhB 6bzhC 3fqdA 64.7 0 0 0 3fqdB 0 57.5 0 0 6bzhB 0.6 0 35.7 31.7 6bzhC 0.5 0 31.7 35.6