Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 3fd5A 3fd5B 5l16A 3fd5A 100 99 82 3fd5B 99 100 82 5l16A 82 82 100 FOLD SIMILARITY (Z-SCORE) 3fd5A 3fd5B 5l16A 3fd5A 62.7 58.1 41.7 3fd5B 58.1 65.4 42.5 5l16A 41.7 42.5 56.7