Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1rfyA 2b5vA 3zwqA 3zwqB 1rfyA 100 10 3 14 2b5vA 0 100 100 75 3zwqA 0 85 100 97 3zwqB 0 64 97 100 FOLD SIMILARITY (Z-SCORE) 1rfyA 2b5vA 3zwqA 3zwqB 1rfyA 17.5 0 0 0 2b5vA 0 62.6 2.1 0.8 3zwqA 0 1.8 61.5 57.1 3zwqB 0 0 57.1 60.1