Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3hs2A 4gipB 4gipE 3hs2A 100 0 0 4gipB 6 100 29 4gipE 0 26 100 FOLD SIMILARITY (Z-SCORE) 3hs2A 4gipB 4gipE 3hs2A 11.8 0 0 4gipB 1.4 8.2 1 4gipE 0 1 41.9