Probing the mechanism of insulin fibril formation with insulin mutants.

  title={Probing the mechanism of insulin fibril formation with insulin mutants.},
  author={Lone Nielsen and Sven Frokjaer and Jens Brange and Vladimir N. Uversky and Anthony L. Fink},
  volume={40 28},
The molecular basis of insulin fibril formation was investigated by studying the structural properties and kinetics of fibril formation of 20 different human insulin mutants at both low pH (conditions favoring monomer/dimer) and at pH 7.4 (conditions favoring tetramer/hexamer). Small-angle X-ray scattering showed insulin to be monomeric in 20% acetic acid, 0.1 M NaCl, pH 2. The secondary structure of the mutants was assessed using far-UV circular dichroism, and the tertiary structure was… CONTINUE READING
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