Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1ynbB 2arzA 2arzB 3q6aA 3q6aD 1ynbB 100 0 0 0 0 2arzA 0 100 98 38 68 2arzB 0 98 100 51 23 3q6aA 0 38 56 100 99 3q6aD 0 27 38 99 100 FOLD SIMILARITY (Z-SCORE) 1ynbB 2arzA 2arzB 3q6aA 3q6aD 1ynbB 31.7 0 0 0 0 2arzA 0 42.8 38.1 0 0 2arzB 0 38.1 42.2 0 0 3q6aA 0 0 0 29.7 27.3 3q6aD 0 0 0 27.3 29.9