Article: Investigators at University of California release new data on life sciences.

"Fifty years ago, Max Perutz and John Kendrew at Cambridge University achieved something that many people at the time considered impossible: they were the first to use x-ray crystallography to decipher the molecular structures of proteins: haemoglobin and myoglobin. They found that both molecules were built from Linus Pauling's alpha helices, but folded and packed together in a complicated manner that never could have been deciphered by any other technique," researchers in the United States report (see also Life Sciences).

"With structure information in hand they could then explain how haemoglobin in the bloodstream binds and releases oxygen on cue, how it passes ...

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