Nuclear magnetic resonance identification of "half-turn" and 3(10)-helix secondary structure in rabbit liver metallothionein-2.

@article{Wagner1986NuclearMR,
  title={Nuclear magnetic resonance identification of "half-turn" and 3(10)-helix secondary structure in rabbit liver metallothionein-2.},
  author={Gerhard Wagner and David Neuhaus and E W{\"o}rg{\"o}tter and Milan Va{\vs}{\'a}k and Jeremias H. R. K{\"a}gi and Kurt W{\"u}thrich},
  journal={Journal of molecular biology},
  year={1986},
  volume={187 1},
  pages={
          131-5
        }
}
Analysis of 1H-1H nuclear Overhauser effects and amide proton-C alpha proton coupling constants in rabbit liver metallothionein-2 resulted in the identification of two segments of 3(10)-helix and numerous secondary structure elements of a novel type, which we call "half-turn". A half-turn can be generated starting from a type II tight turn by rotation of phi 3 from +90 degrees to -90 degrees. Its appearance in metallothionein appears to be a consequence of the constraints on the polypeptide… CONTINUE READING
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