1	G5P	P1-(5'-adenosyl)-p5-(5'-guanosyl) pentaphosphate	1.000
2	GP5	Diguanosine-pentaphosphate	0.950
3	AP5	Bis(adenosine)-5'-pentaphosphate	0.949
4	UP5	P1-(adenosine-5'-p5-(uridine-5')pentaphosphate	0.883
5	T5A	P1-(5'-adenosyl)p5-(5'-thymidyl)pentaphosphate	0.852
6	Z5A	P1-(5'-adenosyl)p5-(5'-(3'azido-3'-deoxythymidyl))pentaphosphate	0.797