Structural codons: linearity/helicity interconversion by pyridine/pyrimidine exchange in molecular strands.
Pyridine and pyrimidine groups connected through amide functions can be combined into specific sequences that self-organize into either helical or linear structures enforced by the formation of intramolecular hydrogen bonds.
Odriozola
Ibon
I
Institut de Science et d'Ingénierie Supramoléculaires (ISIS), 8 allée Gaspard Monge, BP 70028 67083 Strasbourg cedex, France.
Kyritsakas
Nathalie
N
Lehn
Jean-Marie
JM