Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3es1A 4z9vE 4z9vG 3es1A 100 0 0 4z9vE 0 0 0 4z9vG 0 0 0 FOLD SIMILARITY (Z-SCORE) 3es1A 4z9vE 4z9vG 3es1A 29.8 0 0 4z9vE 0 0 0 4z9vG 0 0 0