Chemical structure of guanine, showing its double-ring purine structure and the functional groups involved in hydrogen bonding with cytosine. (Image: Public Domain) Guanine has the chemical formula ...

In DNA, cytosine pairs with guanine through three hydrogen bonds, forming a stable base pair. The sequence of these base pairs along the DNA strand encodes genetic information. During DNA replication, ...

The guanine residues form hydrogen bonds with the guanidinium groups of ... bond from the 4-amino group of one of the methylated cytosine residues, further contributing to sequence selectivity.

Ribonucleic acid (RNA) is a linear molecule composed of four types of smaller molecules called ribonucleotide bases: adenine (A), cytosine (C), guanine ... via chemical bonds called phosphodiester ...

Adenine and guanine are double-ring molecules called purines, but cytosine, thymine and uracil ... single rings on one strand ...

With the arrival of a new class of single-nucleotide editors, researchers can target the most common type of pathogenic SNP in humans. Now, researchers at Harvard University have designed a new class ...