Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1g0oA 1g0oD 1rgxA 1rgxC 3is3A 1g0oA 100 97 31 20 88 1g0oD 97 100 16 13 86 1rgxA 26 14 100 94 0 1rgxC 19 13 94 100 18 3is3A 88 86 20 21 100 FOLD SIMILARITY (Z-SCORE) 1g0oA 1g0oD 1rgxA 1rgxC 3is3A 1g0oA 50.4 48.6 0 0 41.5 1g0oD 48.6 49.9 0 0 40.9 1rgxA 0 0 15.4 14.4 0 1rgxC 0 0 14.4 15.4 0 3is3A 41.5 40.9 0 0 49.6