Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2vknA 2vknC 3i5rA 3i5rB 2vknA 100 0 22 0 2vknC 0 0 0 0 3i5rA 0 0 0 0 3i5rB 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 2vknA 2vknC 3i5rA 3i5rB 2vknA 16.9 0 9 0 2vknC 0 0 0 0 3i5rA 0 0 0 0 3i5rB 0 0 0 0