Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2fjcA 2fjcG 2gr7A 3irsA 3k9aA 2fjcA 100 99 0 0 2 2fjcG 99 100 0 41 0 2gr7A 0 0 100 0 9 3irsA 0 0 0 100 0 3k9aA 5 5 5 0 100 FOLD SIMILARITY (Z-SCORE) 2fjcA 2fjcG 2gr7A 3irsA 3k9aA 2fjcA 31 30.2 0 0 3.7 2fjcG 30.2 30.9 0 0 3.5 2gr7A 0 0 17.1 0 1.8 3irsA 0 0 0 56 0 3k9aA 4.4 4.4 0.6 0 13.6