Abstract
The program DYANA, for calculation of solution structures of biomolecules with an algorithm based on simulated annealing by torsion angle dynamics, has been supplemented with a new routine, PSEUDYANA, that enables efficient use of pseudocontact shifts as additional constraints in structure calculations of paramagnetic metalloproteins. PSEUDYANA can determine the location of the metal ion inside the protein frame and allows to define a single tensor of magnetic susceptibility from a family of conformers. As an illustration, a PSEUDYANA structure calculation is provided for a metal-undecapeptide complex, where simulated pseudocontact shifts but no NOE restraints are used as conformational constraints.
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Banci, L., Bertini, I., Cremonini, M.A. et al. PSEUDYANA for NMR structure calculation of paramagnetic metalloproteins using torsion angle molecular dynamics. J Biomol NMR 12, 553–557 (1998). https://doi.org/10.1023/A:1008388614638
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DOI: https://doi.org/10.1023/A:1008388614638