Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2nydA 2nydB 3wsfA 3wsfF 2nydA 100 99 80 80 2nydB 99 100 81 80 3wsfA 80 81 100 99 3wsfF 80 80 99 100 FOLD SIMILARITY (Z-SCORE) 2nydA 2nydB 3wsfA 3wsfF 2nydA 47.3 44.9 27.3 27.6 2nydB 44.9 50.2 27.3 27.6 3wsfA 27.3 27.3 43.8 41.9 3wsfF 27.7 27.6 41.9 43.6