Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2jf7A 2p4wA 3cneA 2jf7A 100 21 70 2p4wA 100 100 68 3cneA 66 62 100 FOLD SIMILARITY (Z-SCORE) 2jf7A 2p4wA 3cneA 2jf7A 72.7 0 0 2p4wA 0.1 23.4 0 3cneA 0 0 39.2