Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2oizA 2oizH 4aycA 4aycB 2oizA 100 27 0 0 2oizH 34 100 0 0 4aycA 0 0 100 66 4aycB 0 0 86 100 FOLD SIMILARITY (Z-SCORE) 2oizA 2oizH 4aycA 4aycB 2oizA 67 0 0 0 2oizH 0 28.9 0 0 4aycA 0 0 21.1 15 4aycB 0 0 13.6 20.2