Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1q5yA 4kytA 4kytB 1q5yA 100 0 0 4kytA 0 100 0 4kytB 0 0 0 FOLD SIMILARITY (Z-SCORE) 1q5yA 4kytA 4kytB 1q5yA 20.2 0 0 4kytA 0 56.2 0 4kytB 0 0 0