21 search results - page 4 / 5 » Chemical bonding: From Lewis to atoms in molecules |
BMCBI
2005
13 years 5 months ago
2005
Background: Currently, the PDB contains approximately 29,000 protein structures comprising over 70,000 experimentally determined three-dimensional structures of over 5,000 differe...
JIB
2007
13 years 5 months ago
2007
2D-Nuclear magnetic resonance (NMR) spectra are used in the (structural) analysis of small molecules. In contrast to 1D-NMR spectra, 2D-NMR spectra correlate the chemical shifts o...
BMCBI
2008
13 years 5 months ago
2008
Background: Several eukaryotic proteins associated to the extracellular leaflet of the plasma membrane carry a Glycosylphosphatidylinositol (GPI) anchor, which is linked to the C-...
BMCBI
2008
13 years 5 months ago
2008
Background: Biomedical and chemical databases are large and rapidly growing in size. Graphs naturally model such kinds of data. To fully exploit the wealth of information in these...
BMCBI
2007
13 years 5 months ago
2007
Background: Structure elucidation of unknown small molecules by mass spectrometry is a challenge despite advances in instrumentation. The first crucial step is to obtain correct e...