Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1g0uI 1g0uJ 1rypX 1rypY 3u2rA 1g0uI 100 70 100 70 0 1g0uJ 70 100 70 100 0 1rypX 100 70 100 70 18 1rypY 70 100 70 100 0 3u2rA 23 28 14 25 100 FOLD SIMILARITY (Z-SCORE) 1g0uI 1g0uJ 1rypX 1rypY 3u2rA 1g0uI 42.8 25.4 40.6 25.5 0 1g0uJ 25.4 40.5 25.3 38.3 0 1rypX 40.6 25.3 42.7 25.5 0 1rypY 25.5 38.3 25.5 40.5 0 3u2rA 0.3 0 0 0.3 22.8