ScrewFit An open source program for the characterization of protein secondary structures
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analyze protein protein analysis protein characterization peptide analyzer caracterization

ScrewFit Description

An open source program for the characterization of protein secondary structures ScrewFit is a software that will provide an efficient description of structural motifs based on simple geometrical assumptions.The algorithm implemented in ScrewFit determines the orientational distances of consecutive peptide planes using quaternion-based superposition fits combined with the Chasles' Theorem. This approach permits to describe structural elements in terms of screw motions parameters and local-helices. Requirements: · Python · Numpy · ScientificPython · MMTK · netCDF What's New in This Release: Bug fixes: · Installation didn't work correctly. Improvements: · Simpler inputs and outputs · PDB residue numbering in output files. This helps for comparison with other methods.

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