Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2qv2A 4cndA 4cndB 2qv2A 100 0 4 4cndA 0 100 96 4cndB 0 96 100 FOLD SIMILARITY (Z-SCORE) 2qv2A 4cndA 4cndB 2qv2A 43.2 0 0 4cndA 0 37.1 33 4cndB 0 33 36