Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 1l7aA 1r8jA 1l7aA 100 48 1r8jA 47 100 FOLD SIMILARITY (Z-SCORE) 1l7aA 1r8jA 1l7aA 60.3 1.1 1r8jA 2.6 37