Pentaphosphate,Guanosine

《英文msh詞典》Pentaphosphate,Guanosine
[入口詞] Pentaphosphate,Guanosine
[主題詞] Guanosine Pentaphosphate
[英文釋義] 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. Synonym: magic spot II.