Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3kifA 3kihC 3kihE 5c2nB 3kifA 100 53 57 68 3kihC 53 100 29 77 3kihE 47 28 100 76 5c2nB 68 76 76 100 FOLD SIMILARITY (Z-SCORE) 3kifA 3kihC 3kihE 5c2nB 3kifA 19.5 9.2 8.8 8.7 3kihC 9.2 14.3 6.2 1.7 3kihE 13.6 6.2 19.9 8.4 5c2nB 8.7 1.7 8.4 11.4