Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2rd5C 2vk0B 2vk0D 2rd5C 100 0 0 2vk0B 0 0 0 2vk0D 0 0 0 FOLD SIMILARITY (Z-SCORE) 2rd5C 2vk0B 2vk0D 2rd5C 24.6 0 0 2vk0B 0 0 0 2vk0D 0 0 0