Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1cshA 5uqsA 1cshA 100 98 5uqsA 98 100 FOLD SIMILARITY (Z-SCORE) 1cshA 5uqsA 1cshA 73.6 63.1 5uqsA 63.1 72.8