Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 3aqjA 3aqjB 3vtoA 3vtoB 3vtoC 3aqjA 100 97 28 39 39 3aqjB 97 100 30 35 35 3vtoA 52 52 100 89 90 3vtoB 90 90 89 100 99 3vtoC 39 35 90 99 100 FOLD SIMILARITY (Z-SCORE) 3aqjA 3aqjB 3vtoA 3vtoB 3vtoC 3aqjA 13.1 12 6.4 6.1 7.2 3aqjB 12 13 6.6 6.1 7.2 3vtoA 4.9 4.9 12.2 11 11 3vtoB 2.6 2.6 11 13.5 11.3 3vtoC 7.2 7.2 11 11.3 13.4