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NvAssign: protein NMR spectral assignment with NMRView.
Nigel I Kirby1, Eugene F DeRose, Robert E London
1Laboratory of Structural Biology, MR-01, National Institute of Environmental Health Sciences, National Institutes of Health, Box 12233, Research Triangle Park, NC 27709, USA.
Bioinformatics (Oxford, England)
|February 12, 2004
Summary
A new software module, NvAssign, enhances nuclear magnetic resonance (NMR) protein studies by providing a flexible interface for peak assignment and verification. This tool streamlines the process from data clustering to spectral analysis, improving efficiency for researchers.
Area of Science:
- Biochemistry
- Structural Biology
- Computational Biology
Background:
- Nuclear magnetic resonance (NMR) protein studies require accurate resonance assignment for structural determination.
- Current workflows involve peak picking, data clustering, sequence assignment, and spectral verification.
- A gap exists in flexible software interfaces connecting clustering, assignment algorithms, and verification steps.
Purpose of the Study:
- To develop a flexible software module, NvAssign, for enhancing NMR protein studies.
- To bridge the gap between data clustering and automated assignment algorithms.
- To facilitate the verification of resonance assignments through spectral analysis.
Main Methods:
- Developed NvAssign as a software module for the NMRView platform.
- Integrated NvAssign with existing assignment algorithms (PACES, MONTE).
- Enabled NvAssign to read and process output from external assignment algorithms.
Main Results:
- NvAssign provides a flexible interface for clustering NMR data and interacting with assignment algorithms.
- The module successfully connects clustered data with PACES and MONTE algorithms.
- NMRView can now read and display output from these algorithms for simplified verification.
- Demonstrated functionality using data from the lyase domain of DNA polymerase lambda.
Conclusions:
- NvAssign significantly extends NMR analysis capabilities by offering a unified interface.
- The software facilitates a more efficient and integrated workflow for NMR resonance assignment.
- NvAssign improves the verification process by enabling direct spectral analysis of algorithm outputs.