(1994). Bifurcated hydrogen bonds in DNA crystal structure. An ab initio quantum-chemical study. Journal of the American Chemical Society, 116, 709-714.Sponer, J., and P. Hobza. 1994. Bifurcated hydrogen bonds in DNA crys- tal structures--an ab-initio quantum chemical study. J. Am. ...
How do hydrogen bonds stabilize protein structure? Where is hydrogen bonding in DNA structure? What bond is formed in single-stranded DNA? How many hydrogen bonds form between cytosine and guanine? What is the chemical bond responsible for DNA structure?
DNA structures •Hydrogen bonds •Resonance assistanceWe challenge the view that the hydrogen bonds in Watson–Crick AT and GC base pairs are in essence electrostatic interactions with substantial resonance assistance from the π electrons. Instead, based on detailed analyses of the hydro...
Nonetheless, data are needed to understand why certain modifications to the structure of DNA bases stall RNA polymerases while others are efficiently bypassed. In this study, we evaluate the impact that alterations in dNTP/rNTP base-pair geometry have on transcription. T7 RNA polymerase was used ...
DNA strands are held together into a double helical structure by hydrogen bonds between the purine and pyrimidine bases on the two complementary strands. This highly specific base pairing of A-T (two hydrogen bonds) and G-C (three hydrogen bonds) was instrumental in the discovery of the struct...
The explanation of mentioned DNA transformation is based on the estimate of free energy of discs with an even number of hydrogen bonds, and an estimate of melting point temperature for the subsystem of odd index fibers and transition temperature of the subsystem of even index fibers. 展开 关键...
Hydrogen bonding between complementary base pairing in the DNA double helix provides excellent stability to the structure, whereas in protein, the interaction between groups such as NH, CO, and OH is important in predicting regular helical or sheet conformation. Hydrogen bonds are relatively weak in...
Proton transfer and hydrogen bonding are two aspects of the chemistry of hydrogen that respectively govern the behaviour and structure of many molecules, both simple and complex, from water to DNA. The 尾 -dicarbonyls exhibit both of these features, and in ways which have singled them out for...
(Chemistry) a weak chemical bond between an electronegative atom, such as fluorine, oxygen, or nitrogen, and a hydrogen atom bound to another electronegative atom. Hydrogen bonds are responsible for the properties of water and many biological molecules ...
Hydrogen Bonds Hydrogen bonds have played an incredibly important role in the history of structural biology. Both the structure of DNA and of protein -helices and -sheets were predicted based largely on the hydrogen bonds these structures form. So understanding hydrogen bonds is clearly important, ...