Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2v1rA 2v1rR 3thkA 3thkC 4cc2A 4cc2B 2v1rA 100 0 38 0 32 0 2v1rR 0 0 0 0 0 0 3thkA 0 0 0 0 0 0 3thkC 0 0 0 0 0 0 4cc2A 0 0 0 0 0 0 4cc2B 0 0 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 2v1rA 2v1rR 3thkA 3thkC 4cc2A 4cc2B 2v1rA 17.1 0 10.5 0 9.6 0 2v1rR 0 0 0 0 0 0 3thkA 0 0 0 0 0 0 3thkC 0 0 0 0 0 0 4cc2A 0 0 0 0 0 0 4cc2B 0 0 0 0 0 0