For the first time, he could see what a molecule of haemoglobin looked like in 3D. Using lectures and programmes from the BBC archive, Josephine McDermott tells the story of how his fellow ...

The latter also contains an additional ring structure, derived from β-keto propionic-acid, in place of the propionic acid side chain of the hémin molecule. In chlorophyll, a magnesium atom ...

We hear about the moment Dr Max Perutz discovered the haemoglobin structure. Our expert is Professor Sir Alan Fersht, who is a chemist at the Medical Research Council Laboratory of Molecular Biology ...

They were hardly modest, these two brash young scientists who in 1953 declared to patrons of the Eagle Pub in Cambridge, England, that they had "found the secret of life." But James Watson and ...

Like haemoglobin, it combines reversibly ... which for the first time reveals the general nature of the tertiary structure of a protein molecule. Before such a programme is embarked upon, however ...

At the core of a haemoglobin molecule is an iron carrying component called haem, which can be loaded with oxygen. The shape of the red blood cell is useful to flexibly navigate blood vessels of ...