Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3dvkA 3dvkB 3dvmA 3dvmB 3dvkA 100 0 100 0 3dvkB 0 0 0 0 3dvmA 0 0 0 0 3dvmB 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 3dvkA 3dvkB 3dvmA 3dvmB 3dvkA 26.2 0 22.8 0 3dvkB 0 0 0 0 3dvmA 0 0 0 0 3dvmB 0 0 0 0