Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3huhA 3huhB 4b8vA 6f5xA 3huhA 100 96 0 0 3huhB 96 100 0 0 4b8vA 0 0 100 0 6f5xA 0 0 3 100 FOLD SIMILARITY (Z-SCORE) 3huhA 3huhB 4b8vA 6f5xA 3huhA 25.7 23.3 0 0 3huhB 23.3 25 0 0 4b8vA 0 0 32.6 0 6f5xA 0 0 0 8