Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3g9kL 3g9kS 4ksnB 5mrwA 5mrwC 3g9kL 100 65 0 65 51 3g9kS 63 100 7 75 63 4ksnB 0 7 100 0 5 5mrwA 66 88 0 100 38 5mrwC 50 64 0 61 100 FOLD SIMILARITY (Z-SCORE) 3g9kL 3g9kS 4ksnB 5mrwA 5mrwC 3g9kL 41.5 0 0 0.1 0 3g9kS 0 29.5 0 0 0 4ksnB 0 0 10.4 0 0 5mrwA 0.3 0 0 69.4 0 5mrwC 0 0 0 0 28.7