Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 2itbA 2itbB 2p2uA 3iecA 3iecE 3io0A 5et3A 5et3B 2itbA 100 99 0 51 0 0 0 0 2itbB 99 100 0 56 0 0 0 0 2p2uA 0 0 100 76 0 0 0 0 3iecA 100 100 0 100 0 20 0 0 3iecE 0 0 0 0 0 0 0 0 3io0A 0 0 0 0 0 0 0 0 5et3A 0 0 0 0 0 0 0 0 5et3B 0 0 0 0 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 2itbA 2itbB 2p2uA 3iecA 3iecE 3io0A 5et3A 5et3B 2itbA 39.2 36.1 0 0.3 0 0 0 0 2itbB 36.1 39.1 0 0.6 0 0 0 0 2p2uA 0 0 11.4 0 0 0 0 0 3iecA 0.2 0.3 0 51.2 0 1.5 0 0 3iecE 0 0 0 0 0 0 0 0 3io0A 0 0 0 0 0 0 0 0 5et3A 0 0 0 0 0 0 0 0 5et3B 0 0 0 0 0 0 0 0