Tautomer
Tautomerization

Guanine-Cytosine
Proton Tunnelling
Quantum Tunnelling
Synthetic C/G Codon

An open quantum systems approach to proton tunnelling in DNA

https://www.nature.com/articles/s42005-022-00881-8

More Evidence of Quantum Behavior at Biological Scale: Proton Tunneling in DNA

https://www.resonancescience.org/blog/more-evidence-of-quantum-behavior-at-biological-scale-proton-tunneling-in-dna