Sequence Similarity : Non-homologous sequences (<30%) SEQUENCE SIMILARITY (%) 1l6sA 2go8A 2vroA 4h0pA 1l6sA 100 11 86 81 2go8A 29 100 0 0 2vroA 100 30 100 100 4h0pA 57 24 70 100 FOLD SIMILARITY (Z-SCORE) 1l6sA 2go8A 2vroA 4h0pA 1l6sA 58.3 0 0 0.5 2go8A 0 19.7 0 0 2vroA 0.9 0 70 0.8 4h0pA 0 0 1.9 68.2