Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1xs1A 2yw3A 2yw3B 4m44B 4mf4A 4oj5A 1xs1A 100 54 55 43 0 0 2yw3A 46 100 99 62 100 100 2yw3B 47 99 100 0 74 0 4m44B 43 63 64 100 0 0 4mf4A 63 67 68 53 100 0 4oj5A 76 36 0 33 100 100 FOLD SIMILARITY (Z-SCORE) 1xs1A 2yw3A 2yw3B 4m44B 4mf4A 4oj5A 1xs1A 35.2 0 0 0 0 0 2yw3A 0 40.6 39.4 0 2.4 0.5 2yw3B 0 39.4 41.1 0 8.1 0 4m44B 0 0 0 24.5 0 0 4mf4A 0 11 11.3 0 47.7 0 4oj5A 0 0 0 0 0.7 76