Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2np5A 2np5C 3v6gA 5ojyA 2np5A 100 99 69 69 2np5C 99 100 69 68 3v6gA 68 68 100 67 5ojyA 68 86 58 100 FOLD SIMILARITY (Z-SCORE) 2np5A 2np5C 3v6gA 5ojyA 2np5A 34.2 30 12.3 14 2np5C 30 34.2 12.8 13.7 3v6gA 10.7 10.7 32 7.9 5ojyA 14 3 5.4 31.9