Guanosine Tetraphosphate
Guanosine 5'-diphosphate 2'(3')-diphosphate. A guanine nucleotide containing four phosphate groups. Two 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. Synonym: magic spot I.
Year introduced: 1991(1978)
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Subheadings:
Tree Number(s): D03.633.100.759.646.454.480, D13.695.667.454.480, D13.695.827.426.480
MeSH Unique ID: D006159
Registry Number: 33503-72-9
Entry Terms:
- Tetraphosphate, Guanosine
- ppGpp
- Bacterial Magic Spot ppGpp
- Guanosine 5'-diphosphate 2'(3')-diphosphate
- Alarmone ppGpp
- ppGpp, Alarmone
- Guanosine 3'-Diphosphate 5'-Diphosphate
- 3'-Diphosphate 5'-Diphosphate, Guanosine
- Guanosine 3' Diphosphate 5' Diphosphate
- Guanosine 5'-(trihydrogen diphosphate), mono(trihydrogen diphosphate) (ester)
- Guanosine 5'-Diphosphate 3'-Diphosphate
- 5'-Diphosphate 3'-Diphosphate, Guanosine
- Guanosine 5' Diphosphate 3' Diphosphate
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