Примери коришћења Hydrogen bonding на Енглеском и њихови преводи на Српски
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Hydrogen bonding is a special case of a dipole-dipole interaction.
The N-H center for imides derived from ammonia is acidic andcan participate in hydrogen bonding.
Hydrogen bonding is often described as an electrostatic dipole-dipole interaction.
Dashed yellow lines represent hydrogen bonding interactions between the receptor and ligand.
Hydrogen bonding is the chemical interaction that underlies the base-pairing rules described above.
The secondary structure is assigned based on hydrogen bonding patterns as those initially proposed by Pauling et al.
The hydrogen bonding of β-strands need not be perfect, but can exhibit localized disruptions known as β-bulges.
Similar structures include the α-helix(i+ 4→ i hydrogen bonding) and the π-helix i+ 5→ i hydrogen bonding.
However, hydrogen bonding is generally still a bound state phenomenon, since the interaction energy has a net negative sum.
The difference in electronegativity between sulfur(2.58) and hydrogen(2.20)is small and therefore hydrogen bonding in thiols is not prominent.
Liquids that display hydrogen bonding(such as water) are called associated liquids.
Proline is also hydroxylated in collagen, however,no glycosylation occurs here as the hydroxyprolines are necessary for hydrogen bonding in the collagen triple helix.
He proposed the idea of hydrogen bonding between the peptide bonds of parallel or antiparallel extended β-strands.
Ligand-protein affinities are influenced by non-covalent intermolecular interactions between the two molecules such as hydrogen bonding, electrostatic interactions, hydrophobic and van der Waals forces.
The hydrogen bonding is correlated with other structural features, however, which has given rise to less formal definitions of secondary structure.
A hydrophilic molecule orportion of a molecule is one that is typically charge-polarized and capable of hydrogen bonding, enabling it to dissolve more readily in water than in oil or other hydrophobic solvents.
These forces include hydrogen bonding, metal coordination, hydrophobic forces, van der Waals forces, pi-pi interactions and electrostatic effects.
When bonded to fluorine, Oxygen, or Nitrogen,hydrogen can participate in a form of strong noncovalent bonding called hydrogen bonding, which is critical to the stability of many biological molecules.
Intermolecular hydrogen bonding is responsible for the high boiling point of water(100 °C), as opposed to other group 16 hydrides.
This is slightly different from the intramolecular bound states of, for example, covalent or ionic bonds; however, hydrogen bonding is generally still a bound state phenomenon, since the interaction energy has a net negative sum.
Intermolecular hydrogen bonding is responsible for the high boiling point of water(100 °C) compared to the other group 16 hydrides, which have no hydrogen bonds. .
When bonded to fluorine, oxygen, or nitrogen, hydrogen can participate in a form of medium-strength noncovalent bonding with the hydrogen of other similar molecules,a phenomenon called hydrogen bonding that is critical to the stability of many biological molecules.
Intermolecular hydrogen bonding is responsible for the high boiling point of water(100 °C) compared to the other group 16 hydrides that have no hydrogen bonds. .
Purines are only complementary with pyrimidines: pyrimidine-pyrimidine pairings are energetically unfavorable because the molecules are too far apart for hydrogen bonding to be established; purine-purine pairings are energetically unfavorable because the molecules are too close, leading to overlap repulsion.
In hydrogen bonding, a hydrogen atom acts as the electron acceptor and forms a non-covalent interaction by accepting electron density from an electron rich site(electron donor).
With respect to binding of the formyl Met-Leu-Phe peptide,there are additional potential interactions which include hydrogen bonding interactions between Arg84 and Lys85 of the first extracellular loop and the N-formyl group of the ligand as well as the peptide backbone of formyl Met-Leu-Phe which can form similar interactions.
Again, there is no internal hydrogen bonding in the poly-Pro I helix, both because an H-bond donor atom is lacking and because the amide nitrogen and oxygen atoms are too distant(roughly 3.8 Å again) and oriented incorrectly.
The strength of the forces responsible for spatial organization of the system range from weak intermolecular forces,electrostatic charge, or hydrogen bonding to strong covalent bonding, provided that the electronic coupling strength remains small relative to the energy parameters of the component.
The secondary structure is assigned based on hydrogen bonding patterns as those initially proposed by Pauling et al. in 1951(before any protein structure had ever been experimentally determined).
Attractive intermolecular forces are categorized into the following types: Hydrogen bonding Ionic bonding Ion- induced dipole forces Ion- dipole forces van der Waals forces- Keesom force, Debye force, and London dispersion force Information on intermolecular forces is obtained by macroscopic measurements of properties like viscosity, pressure, volume, temperature(PVT) data.