Module 1.0 - interactive tool for rigid-body modeling of multi-domain macromolecules using residual dipolar couplings.

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Program description from its website:

Module is a program developed to allow the determination of alignment tensor parameters for individual or multiple domains in macromolecules from residual dipolar couplings and to facilitate their manipulation to construct low-resolution models of macromolecular structure.

For multi-domain systems the program determines the relative orientation of individual structured domains, and provides graphical user-driven rigid-body modeling of the different modules relative to the common tensorial frame.

Translational freedom in the common frame, and equivalent rotations about the diagonalized (x,y,z) axes, are used to position the different modules in the common frame to find a model in best agreement with experimentally measured couplings alone or in combination with additional experimental or covalent information.