Guanosine Pentaphosphate
Guanosine 5'-triphosphate 2'(3')-diphosphate. A guanine nucleotide containing five phosphate groups. Three phosphate groups are esterified to the sugar moiety in the 5' position and the other two in the 2' or 3' position. This nucleotide serves as a messenger to turn off the synthesis of ribosomal RNA when amino acids are not available for protein synthesis.
Year introduced: 1991(1978)
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Subheadings:
Tree Number(s): D03.633.100.759.646.454.440, D13.695.667.454.440, D13.695.827.426.440
MeSH Unique ID: D006158
Registry Number: 38918-96-6
Entry Terms:
- Pentaphosphate, Guanosine
- Guanosine 3'-Diphosphate 5'-Triphosphate
- 3'-Diphosphate 5'-Triphosphate, Guanosine
- 5'-Triphosphate, Guanosine 3'-Diphosphate
- Guanosine 3' Diphosphate 5' Triphosphate
- Alarmone pppGpp
- pppGpp, Alarmone
- (p)ppGpp
- ppprGpp
- Bacterial Magic Spot pppGpp
- Alarmone
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