Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1vq8A 1vq8Z 3cc2A 3cc2Z 1vq8A 100 0 100 0 1vq8Z 0 100 0 99 3cc2A 100 0 100 0 3cc2Z 0 99 0 100 FOLD SIMILARITY (Z-SCORE) 1vq8A 1vq8Z 3cc2A 3cc2Z 1vq8A 34.1 0 32.5 0 1vq8Z 0.2 15.1 0.6 14.1 3cc2A 32.5 0.1 34.1 0 3cc2Z 0.1 14.1 0.6 15