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Developments in the CCP4 molecular-graphics project

Lookup NU author(s): Professor Martin Noble

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Abstract

Progress towards structure determination that is both high-throughput and high-value is dependent on the development of integrated and automatic tools for electron-density map interpretation and for the analysis of the resulting atomic models. Advances in map-interpretation algorithms are extending the resolution regime in which fully automatic tools can work reliably, but at present human intervention is required to interpret poor regions of macromolecular electron density, particularly where crystallographic data is only available to modest resolution [for example, I/(I) < 2.0 for minimum resolution 2.5 Å]. In such cases, a set of manual and semi-manual model-building molecular-graphics tools is needed. At the same time, converting the knowledge encapsulated in a molecular structure into understanding is dependent upon visualization tools, which must be able to communicate that understanding to others by means of both static and dynamic representations. CCP4mg is a program designed to meet these needs in a way that is closely integrated with the ongoing development of CCP4 as a program suite suitable for both low- and high-intervention computational structural biology. As well as providing a carefully designed user interface to advanced algorithms of model building and analysis, CCP4mg is intended to present a graphical toolkit to developers of novel algorithms in these fields.


Publication metadata

Author(s): Potterton L, McNicholas S, Krissinel E, Gruber J, Cowtan K, Emsley P, Murshudov GN, Cohen S, Perrakis A, Noble M

Publication type: Article

Publication status: Published

Journal: Acta Crystallographica Section D: Biological Crystallography

Year: 2004

Volume: 60

Issue: part 12

Pages: 2288-2294

ISSN (print): 0907-4449

ISSN (electronic): 1399-0047

Publisher: Wiley-Blackwell Publishing, Inc.

URL: http://dx.doi.org/10.1107/S0907444904023716

DOI: 10.1107/S0907444904023716


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