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Guanosine Pentaphosphate MeSH Descriptor Data 2025


MeSH Heading
Guanosine Pentaphosphate
Tree Number(s)
D03.633.100.759.646.454.440
D13.695.667.454.440
D13.695.827.426.440
Unique ID
D006158
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D006158
Scope Note
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.
Entry Version
PPPGPP
Entry Term(s)
(p)ppGpp
Alarmone
Alarmone pppGpp
Bacterial Magic Spot pppGpp
Guanosine 3'-Diphosphate 5'-Triphosphate
ppprGpp
Registry Numbers
38918-96-6
0
CAS Type 1 Name
Guanosine 5'-(tetrahydrogen triphosphate), 3'-(trihydrogen diphosphate)
Previous Indexing
Guanine Nucleotides (1966-1977)
Public MeSH Note
91; was see under GUANINE NUCLEOTIDES 1978-90
History Note
91(78); was see under GUANINE NUCLEOTIDES 1978-90
Date Established
1991/01/01
Date of Entry
1977/04/22
Revision Date
2020/02/28
Guanosine Pentaphosphate Preferred
Alarmone Related
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