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The unusual properties of the Root effect haemoglobins in teleost fish—which allow them to pump O2 into their swim bladders and eyes against very high pressures—are illuminated in a new fish haemoglobin structure.
A catalytic transformation of dihydrogen into two protons and two electrons has been discovered with a ruthenium/iron complex. The chemical reactions of complexes between transition metals and dihydrogen give insights into the function of biological hydrogenases.
The first look at the three-dimensional structure of an essential penicillin binding protein from a human pathogen, and its complex with a β-lactam antibiotic provides hope for the future design of improved antibiotics.
NMR studies of the highly and densely glycosylated glycoprotein demonstrate that peptide–carbohydrate interactions at the 13 glycosylation sites induce well defined saccharide conformations and extended peptide backbone structures.
