Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3pzlA 4zvaA 5v3nA 5v3nB 3pzlA 100 0 45 0 4zvaA 49 100 0 0 5v3nA 45 0 100 0 5v3nB 0 0 0 100 FOLD SIMILARITY (Z-SCORE) 3pzlA 4zvaA 5v3nA 5v3nB 3pzlA 56 0 0.6 0 4zvaA 0 31.2 0 0 5v3nA 0.6 0 22.8 0 5v3nB 0 0 0 3.4