Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3pv2B 4gsxA 5nnnA 3pv2B 100 62 48 4gsxA 65 100 49 5nnnA 67 62 100 FOLD SIMILARITY (Z-SCORE) 3pv2B 4gsxA 5nnnA 3pv2B 56.4 0 0 4gsxA 0 52.7 0 5nnnA 0 0 54.6