Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1zv8A 1zv8F 2beqA 2beqF 1zv8A 100 0 0 0 1zv8F 0 0 0 0 2beqA 0 0 0 0 2beqF 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 1zv8A 1zv8F 2beqA 2beqF 1zv8A 6.8 0 0 0 1zv8F 0 0 0 0 2beqA 0 0 0 0 2beqF 0 0 0 0