Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1nw1A 2wqiA 6bywA 1nw1A 100 0 49 2wqiA 0 100 0 6bywA 78 0 100 FOLD SIMILARITY (Z-SCORE) 1nw1A 2wqiA 6bywA 1nw1A 63.5 0 0 2wqiA 0.1 7.7 0 6bywA 0 0 75.1