Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3u2rA 4gehA 4gehB 5ca5A 5w0jA 3u2rA 100 53 0 53 0 4gehA 56 100 28 0 0 4gehB 4 28 100 0 0 5ca5A 53 0 0 100 0 5w0jA 0 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 3u2rA 4gehA 4gehB 5ca5A 5w0jA 3u2rA 22.8 1.6 0 0 0 4gehA 3.3 35.2 7.7 0 0 4gehB 3.6 7.6 13.3 0 0 5ca5A 0 0 0 29.5 0 5w0jA 0 0 0 0 0