Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1mofA 2qihA 3ntnA 3ntnB 4jf3A 5ha6A 1mofA 100 5 3 0 6 9 2qihA 0 100 79 77 4 4 3ntnA 0 100 100 97 0 0 3ntnB 0 0 97 100 0 0 4jf3A 6 6 58 58 100 64 5ha6A 5 4 73 73 64 100 FOLD SIMILARITY (Z-SCORE) 1mofA 2qihA 3ntnA 3ntnB 4jf3A 5ha6A 1mofA 9.2 1.6 0 1.6 3.3 2.6 2qihA 1.6 9.3 1.3 1.9 2 2.2 3ntnA 2.5 1.5 30.1 28.4 2.1 2.1 3ntnB 0 0 28.4 30.8 0 0 4jf3A 3.3 2 0.4 0.8 13.9 11.5 5ha6A 2.6 2.2 0.3 0.7 11.5 14