Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1zavA 1zavU 1zavV 4i88A 4i88B 1zavA 100 0 0 0 0 1zavU 0 0 0 0 0 1zavV 0 0 0 0 0 4i88A 0 0 0 0 0 4i88B 0 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 1zavA 1zavU 1zavV 4i88A 4i88B 1zavA 29.7 0 0 0 0 1zavU 0 0 0 0 0 1zavV 0 0 0 0 0 4i88A 0 0 0 0 0 4i88B 0 0 0 0 0