摘要
We are very glad to bring you the 4th issue of MRL in 2022,which contains eight articles covering protein NMR(nuclear magnetic resonance),NMR instruments,NMR pulse sequences,MRI(magnetic resonance imaging),EPR(electron paramagnetic resonance),etc.In this issue,Prof.Guang Zhu et al.from the Hong Kong University of Science and Technology determined the DNA G-quadruplex structure adopted by two G4C2 hexanucleotide repeats with an inosine substitution at position 4,d(G4C2)2-I4 by NMR.
