Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 4h17A 4h17B 5oduA 4h17A 100 98 50 4h17B 98 100 76 5oduA 54 79 100 FOLD SIMILARITY (Z-SCORE) 4h17A 4h17B 5oduA 4h17A 39.1 36.7 0 4h17B 36.7 39.3 0 5oduA 0 0 27.2