Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1pp9E 1pp9J 1sr4A 1sr4C 1pp9E 100 0 62 65 1pp9J 8 100 0 0 1sr4A 81 0 100 66 1sr4C 60 0 64 100 FOLD SIMILARITY (Z-SCORE) 1pp9E 1pp9J 1sr4A 1sr4C 1pp9E 28.9 0 0 0 1pp9J 2.9 8.8 0 0 1sr4A 0 0 33.7 12.9 1sr4C 0 0 12.5 30.1