Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1zljA 5mq4A 5mq4D 1zljA 100 0 0 5mq4A 0 100 98 5mq4D 0 82 100 FOLD SIMILARITY (Z-SCORE) 1zljA 5mq4A 5mq4D 1zljA 16.9 0 0 5mq4A 0 11.3 9.4 5mq4D 0 9.7 11.3