Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3c3dA 4lgoA 4lgoB 3c3dA 100 26 14 4lgoA 87 100 98 4lgoB 83 98 100 FOLD SIMILARITY (Z-SCORE) 3c3dA 4lgoA 4lgoB 3c3dA 56.4 0 0 4lgoA 0 13.8 12.2 4lgoB 0 12.2 13.6