Guanosine triphosphate | Guanosine diphosphate | Cyclic guanosine monophosphate | cyclic guanosine monophosphate |
Fraction S2 contains two phospholipases A2 — PLA2 I and PLA2 II; fraction S3 contains four cytotoxin homologues — maticotoxins A, C, D1 and D2; and fractions S4 and S5 contain a large amount (about 1 mg/specimen) of adenosine with smaller amounts of inosine and guanosine.
(p)ppGpp, guanosine pentaphosphate or tetraphosphate is an alarmone which is involved in the stringent response in bacteria, causing the inhibition of RNA synthesis when there is a shortage of amino acids present.
Uridine is one of the four basic components of ribonucleic acid (RNA); the other three are adenosine, guanosine, and cytidine.