Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2oieA 2oieD 2pg1A 3i4fA 3i4fD 2oieA 100 98 7 0 0 2oieD 98 100 6 50 44 2pg1A 7 19 100 14 0 3i4fA 0 0 0 100 99 3i4fD 0 0 0 99 100 FOLD SIMILARITY (Z-SCORE) 2oieA 2oieD 2pg1A 3i4fA 3i4fD 2oieA 19.1 14.9 0.8 0 0 2oieD 14.9 17.8 0.5 0 0 2pg1A 0.8 0.4 21.8 0 0 3i4fA 0 0 0 46.5 42.9 3i4fD 0 0 0 42.9 46.4