Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1h6dA 1h6dB 1rydA 1h6dA 100 99 99 1h6dB 99 100 100 1rydA 99 100 100 FOLD SIMILARITY (Z-SCORE) 1h6dA 1h6dB 1rydA 1h6dA 65.3 63.3 62.4 1h6dB 63.3 65.2 62.5 1rydA 62.4 62.5 65