has subject area Bacterial Proteins - Bacterial Outer Membrane Proteins Bacterial Proteins - Periplasmic Binding Proteins Carrier Proteins Carrier Proteins - ATP-Binding Cassette Transporters Carrier Proteins - Monosaccharide Transport Proteins Carrier Proteins - Periplasmic Binding Proteins Carrier Proteins - Porins Chemistry Techniques, Analytical - Crystallography Chemistry, Physical - Crystallography Diagnostic Imaging - Microscopy, Electron Environment and Public Health - Multivariate Analysis Escherichia coli Proteins Gammaproteobacteria - Escherichia coli Gram-Negative Facultatively Anaerobic Rods - Escherichia coli Health Care Evaluation Mechanisms - Multivariate Analysis Investigative Techniques - Microscopy, Electron Investigative Techniques - Multivariate Analysis Macromolecular Substances Maltose-Binding Proteins Membrane Lipids Membrane Proteins - ATP-Binding Cassette Transporters Membrane Proteins - ATP-Binding Cassette Transporters Membrane Proteins - Bacterial Outer Membrane Proteins Membrane Proteins - Monosaccharide Transport Proteins Membrane Proteins - Porins Membrane Proteins - Porins Protein Conformation Proteins - ATP-Binding Cassette Transporters Receptors, Virus