Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3hrdA 3hrdB 3iwzA 5bncA 5bncB 3hrdA 100 88 27 89 80 3hrdB 68 100 85 63 46 3iwzA 55 85 100 40 35 5bncA 86 82 53 100 96 5bncB 94 67 42 96 100 FOLD SIMILARITY (Z-SCORE) 3hrdA 3hrdB 3iwzA 5bncA 5bncB 3hrdA 61.6 2.1 0 0 0 3hrdB 6 48.7 0 0 0 3iwzA 0 0 35.6 0 0 5bncA 0 0 0 41.3 35.4 5bncB 0 0 0 35.4 39.2