TNT is a general purpose refinement package used in the solution of macromolecular structures using X-ray crystallography. It is normally used to optimize a model to X-ray diffraction data while maintaining proper stereochemistry using least-squares function-minimization techniques. It can restrain a model to bond length, bond angles, dihedral angles, pseudorotation angles, planarity, and non-bonded "close" contacts (including symmetry related contacts).
Documentation, Other Resources
Tronrud, D. E., Ten Eyck, L. F., & Matthews, B. W. (1987). An Efficient General-Purpose Least-Squares Refinement Program for Macromolecular Structures. Acta Crystallogr A, 43, 489-501.
Last modified: 12/31/06