檢視三磷酸鸟苷（GTP）的原始碼

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|<center>'''三磷酸鸟苷'''<br><img
src="https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fwww.mhxokt.tw%2Fuserfiles%2F40%283%29.jpg&refer=http%3A%2F%2Fwww.mhxokt.tw&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1653806337&t=aed3b828f89ffe4a93133ddfa4798907" width="280"></center><small>  圖片來自百度</small> 
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三磷酸鸟苷 (Guanosine triphosphate, GTP)即鸟嘌呤-5'-三磷酸。在生物化学的全名为9-β-D-呋喃核糖鸟嘌呤-5'-三磷酸，或者是9-β-D-呋喃核糖-2-氨基-6-氧-嘌呤-5'-三磷酸。GTP是DNA复制时的引物（Primer，其实是RNA）和转录（即是mRNA的生物合成）时的[[鸟嘌呤核苷酸]]的提供者。它是三羧酸循环中[[琥珀酸辅酶A]]转变为琥珀酸过程中的能量载体，它可以和ATP相互转换。GTP也是[[细胞信号]]传导的重要物质，在此过程中它会在GTPase作用下转化为GDP。

*中文名:[[三磷酸鸟苷]]

*外文名:Guanosine triphosphate

*别    名:鸟嘌呤-5'-三磷酸

*分子式:C10H16N5O14P3

*CAS号:86-01-1Molar mass523.18 g mol−1