Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1mq0A 2ph1A 2xmjA 1mq0A 100 51 0 2ph1A 36 100 12 2xmjA 3 5 100 FOLD SIMILARITY (Z-SCORE) 1mq0A 2ph1A 2xmjA 1mq0A 30 0 0 2ph1A 0 47.3 0 2xmjA 0.1 0.3 17.1