Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2hqvA 2vr0C 2vr0F 4ce0A 2hqvA 100 0 0 55 2vr0C 0 100 99 0 2vr0F 0 99 100 0 4ce0A 54 0 0 100 FOLD SIMILARITY (Z-SCORE) 2hqvA 2vr0C 2vr0F 4ce0A 2hqvA 32 0 0 0 2vr0C 0 24.8 24.1 0 2vr0F 0 12 16 0 4ce0A 0 0 0 44.1