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Related Concept Videos

pV-Diagrams01:18

pV-Diagrams

The pV diagram, which is a graph of pressure versus volume of the gas under study, is helpful in describing certain aspects of the substance. When the substance behaves like an ideal gas, the ideal gas equation describes the relationship between its pressure and volume. On a pV diagram, it is common to plot an isotherm, which is a curve showing p as a function of V with the number of molecules and the temperature fixed. Then, for an ideal gas, the product of the pressure of the gas and its...
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...

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Related Experiment Video

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Workflow and Tools for Crystallographic Fragment Screening at the Helmholtz-Zentrum Berlin
06:29

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Published on: March 3, 2021

DECOMP: a PDB decomposition tool on the web.

Rafael Ordog1, Zoltán Szabadka, Vince Grolmusz

  • 1Protein Information Technology Group, Eötvös University, 1117 Budapest, Hungary.

Bioinformation
|September 18, 2009
PubMed
Summary
This summary is machine-generated.

A new web server, DECOMP, simplifies structural biology by identifying missing protein data and separating ligands from protein chains in Protein Data Bank (PDB) files. This tool enhances computational structural biology investigations.

Keywords:
PDBSEQRESdecompositionligandsserverweb tool

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Area of Science:

  • Structural biology
  • Computational biology
  • Bioinformatics

Background:

  • The Protein Data Bank (PDB) is a critical resource for structural biology.
  • Identifying missing atoms/residues and separating ligands are essential preprocessing steps.
  • Existing tools may lack efficiency or comprehensive ligand identification.

Purpose of the Study:

  • To introduce DECOMP, a web interface for an efficient PDB data processing tool.
  • To provide automated identification of missing structural elements and ligand decomposition.
  • To facilitate access to preprocessed PDB data for research.

Main Methods:

  • Development of a web interface for the decomp_pdb tool.
  • Implementation of algorithms for identifying missing atoms and residues.
  • Automated decomposition of PDB entries into ligand and polypeptide chain files.
  • Handling of multi-monomer ligands.

Main Results:

  • The DECOMP web server provides a user-friendly platform for PDB data preprocessing.
  • The tool accurately identifies missing atoms and residues within PDB structures.
  • Automated separation of ligands and polypeptide chains is achieved.
  • Preprocessed PDB data, including ligand-protein decomposition, is available for download.

Conclusions:

  • DECOMP enhances the utility of the PDB for computational structural biology.
  • The web server streamlines data preparation for structural analysis.
  • Automated ligand identification and decomposition improve data accessibility and research efficiency.