guanine
Sign in to saveGuanine () (symbol G or Gua) is one of the four main nucleotide bases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. The guanine nucleoside is called guanosine.
AI overview
Guanine is one of the four basic building blocks of DNA and RNA, the molecules that carry genetic information in all living things. It always pairs with another building block called cytosine, and this pairing is essential for how genetic information is stored and copied.
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Research
81,556 papers- Guanine Analogue-Based Assemblies: Construction and Luminescence Functions.Langmuir : the ACS journal of surfaces and colloids · 2022
- Products of Oxidative Guanine Damage Form Base Pairs with Guanine.International journal of molecular sciences · 2020
- A new method for sequencing DNA.Proceedings of the National Academy of Sciences of the United States of America · 1977
- Guanine-containing ssDNA and RNA induce dimeric and tetrameric structural forms of SAMHD1.Nucleic acids research · 2023
- Developing guanine base editors for G-to-T editing in rice.Journal of integrative plant biology · 2024
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Article
8 sectionsContents
- Properties
- History
- Synthesis
- Biosynthesis
- Other occurrences and biological uses
- See also
- References
- External links
Guanine () (symbol G or Gua) is one of the four main nucleotide bases found in the nucleic acids DNA and RNA, the others being adenine, cytosine, and thymine (uracil in RNA). In DNA, guanine is paired with cytosine. The guanine nucleoside is called guanosine.
With the formula C5H5N5O, guanine is a derivative of purine, consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds. This unsaturated arrangement means the bicyclic molecule is planar.