Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1k5jA 1k5jB 1k5jC 1k5jD 1k5jE 1stmA 1k5jA 100 98 96 97 99 32 1k5jB 98 100 93 94 97 36 1k5jC 96 93 100 99 97 27 1k5jD 97 94 99 100 98 29 1k5jE 99 97 97 98 100 32 1stmA 29 36 32 29 30 100 FOLD SIMILARITY (Z-SCORE) 1k5jA 1k5jB 1k5jC 1k5jD 1k5jE 1stmA 1k5jA 22.5 21.3 20.7 20.9 21.5 5.6 1k5jB 21.3 22.5 20.5 20.7 21 5.3 1k5jC 20.7 20.5 21.9 21.2 20.9 5.2 1k5jD 20.9 20.7 21.2 22.1 21.1 5.5 1k5jE 21.5 21 20.9 21.1 22.4 5.8 1stmA 5.5 5.1 5.1 5.4 5.7 28.7