Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2j6lA 4pxnA 2j6lA 100 92 4pxnA 92 100 FOLD SIMILARITY (Z-SCORE) 2j6lA 4pxnA 2j6lA 68.1 60.2 4pxnA 60.2 71.4