Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1pl5A 3lnrA 4lmiA 4lmiB 1pl5A 100 11 8 0 3lnrA 0 100 0 0 4lmiA 0 0 100 99 4lmiB 0 0 99 100 FOLD SIMILARITY (Z-SCORE) 1pl5A 3lnrA 4lmiA 4lmiB 1pl5A 8 2.7 0 0 3lnrA 0 18.7 0 0 4lmiA 0 0 26.2 23.7 4lmiB 0 0 23.7 26.2