NIH MBI Laboratory for Structural Genomics and Proteomics

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Structural Analysis and Verification Server

After browsing and selecting your input file, click on a button to run that server alone, or click on Upload File to run some or all of them.

Checks the stereochemical quality of a protein structure by analyzing residue-by-residue geometry and overall structure geometry. [Reference]
Derived from a subset of protein verification tools from the WHATIF program (Vriend, 1990), this does extensive checking of many sterochemical parameters of the residues in the model. [Reference]
Analyzes the statistics of non-bonded interactions between different atom types and plots the value of the error function versus position of a 9-residue sliding window, calculated by a comparison with statistics from highly refined structures. [Reference]
Determines the compatibility of an atomic model (3D) with its own amino acid sequence (1D) by assigned a structural class based on its location and environment (alpha, beta, loop, polar, nonpolar etc) and comparing the results to good structures. [Reference]
Calculates the volumes of atoms in macromolecules using an algorithm which treats the atoms like hard spheres and calculates a statistical Z-score deviation for the model from highly resolved (2.0 Å or better) and refined (R-factor of 0.2 or better) PDB-deposited structures. [Reference]
SFCHECKNot yet available here. Please use SAVS Version 1, located here.
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Here is another plot with more interactive options Problems/Questions/Suggestions: holton at mbi. ucla. edu

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