Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ditH 1ditP 4jqiA 4jqiV 1ditH 100 0 0 0 1ditP 0 0 0 0 4jqiA 0 0 0 0 4jqiV 0 0 0 0 FOLD SIMILARITY (Z-SCORE) 1ditH 1ditP 4jqiA 4jqiV 1ditH 50 0 0 0 1ditP 0 0 0 0 4jqiA 0 0 0 0 4jqiV 0 0 0 0