Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1x0uB 2pt7B 1x0uB 100 61 2pt7B 62 100 FOLD SIMILARITY (Z-SCORE) 1x0uB 2pt7B 1x0uB 61.1 0.7 2pt7B 0.7 49.5