Aminopurine

Aminopurines are derivatives of a purine base that contain in their structure an amino group attached to one of the purine nitrogen atoms. Aminopurine derivatives are widespread in nature, they are part of many nucleic bases, such as thymine, cytosine, uracil, guanine and adenine.

Aminopurine nucleotides are key components of DNA and RNA and also play important roles in nucleic acid biosynthesis, photosynthesis and other biological processes.

Among the aminopurines, the most common are 6-aminopurine and 9-aminoguanine. As part of a nucleotide, they form a nitrogenous base. In DNA and RNA molecules, aminopurine bases are part of various nucleotide units.

In nature, aminopurine compounds can also occur as free bases or as part of nucleoproteins.

The great importance of aminopurine nucleotides for biology is due to the fact that they can bind to various proteins, for example, enzymes, and thus regulate the activity of the latter.

In general, aminopurine nucleotides play important roles in many biological processes and are key elements of the genetic code.

Aminopurines are purine derivatives with an amino group at position 9 (NH2).
They are part of purine nucleotides, in particular, the nucleic bases of DNA and RNA.
The DNA molecule contains deoxyribonucleotides containing deoxythymidine, deoxycytidine, deoxyouridines and deoxoadenine. The RNA molecule contains ribonucleotides with ribose, which are part of ribothymidine, ribocytidine and ribouridine.
Aminopurines are the main building blocks for DNA and RNA synthesis in living organisms.