Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1gkrA 2nn3C 2nn3D 1gkrA 100 67 84 2nn3C 74 100 97 2nn3D 88 97 100 FOLD SIMILARITY (Z-SCORE) 1gkrA 2nn3C 2nn3D 1gkrA 81.3 0 0.5 2nn3C 0.8 43.2 37.6 2nn3D 0.4 37.6 44.8