Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2a13A 4l07A 5jeqA 2a13A 100 42 0 4l07A 60 100 0 5jeqA 0 0 100 FOLD SIMILARITY (Z-SCORE) 2a13A 4l07A 5jeqA 2a13A 31.3 0 0 4l07A 0 41.3 0 5jeqA 0 0 26.2