Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1kqpA 2wylA 3ebtA 4cyiE 4cyiF 1kqpA 100 44 51 62 70 2wylA 59 100 63 48 64 3ebtA 51 22 100 38 66 4cyiE 60 55 39 100 99 4cyiF 69 68 63 99 100 FOLD SIMILARITY (Z-SCORE) 1kqpA 2wylA 3ebtA 4cyiE 4cyiF 1kqpA 47.7 0.2 0 0 0 2wylA 0.9 54.2 0 0 0 3ebtA 0 0 28.7 0 0 4cyiE 0 0 0 55 45.9 4cyiF 0 0 0 45.9 55.3