Their importance extends beyond their role in DNA and RNA, as pyrimidines and their derivatives have significant applications in medicine and biotechnology. Understanding the structure, function, and ...

The chemical structure of uracil, showing its single-ring pyrimidine structure. Uracil forms hydrogen bonds with adenine in RNA, contributing to the molecule's structure and function. (Image: Public ...

Researchers have now uncovered the 3D structure of the RNA enzyme SAMURI. Their study provides insights into the development of ribozymes and the evolution of catalytically active RNA.

Also, in a structural sense, because DNA and RNA are simple chemical polymers, water is generally unnecessary for retention of secondary structure ... in DNA is pyrimidine photohydrate formation ...

The double helical structure is made of two strands consisting of deoxyribose and phosphate and is held together by bonds between purine and pyrimidine bases which project ... A short piece of ...