Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1vllA 6d14A 6d14B 1vllA 100 53 67 6d14A 100 100 99 6d14B 63 99 100 FOLD SIMILARITY (Z-SCORE) 1vllA 6d14A 6d14B 1vllA 58.4 0 0.7 6d14A 0 60.3 48.6 6d14B 0 48.6 57.1