Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1zs6A 2czvB 2czvC 2p4wA 4q9nC 1zs6A 100 13 47 2 81 2czvB 22 100 33 12 83 2czvC 43 26 100 6 77 2p4wA 45 0 0 100 100 4q9nC 72 53 9 16 100 FOLD SIMILARITY (Z-SCORE) 1zs6A 2czvB 2czvC 2p4wA 4q9nC 1zs6A 32 0 3.2 0 0 2czvB 0 43 0 0 1.3 2czvC 2.7 0 25.6 0 0 2p4wA 0.3 0 0 23.4 0.6 4q9nC 0 1.3 0 0 53.7