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Investigation of the Pre-crystallization Stage of Proteinase K in Solution (Influence of Temperature and Precipitant Type) by Small-Angle X-Ray Scattering

Investigation of the Pre-crystallization Stage of Proteinase K in Solution (Influence of... Abstract Proteinase K solutions have been investigated by small-angle X-ray scattering in the temperature range of 10–30°C under conditions of tetragonal crystal growth. Addition of ammonium sulfate or sodium nitrate as precipitants is shown to induce the formation of a significant fraction of protein dimers in solution (the dimer content in solution increases only slightly with a decrease in temperature). The structures of possible dimers, which form the pre-crystallization phase in solution (which is necessary for the growth of proteinase K crystals), have been investigated by analyzing the known crystal structure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Crystallography Reports Springer Journals

Investigation of the Pre-crystallization Stage of Proteinase K in Solution (Influence of Temperature and Precipitant Type) by Small-Angle X-Ray Scattering

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References (19)

Publisher
Springer Journals
Copyright
2018 Pleiades Publishing, Inc.
ISSN
1063-7745
eISSN
1562-689X
DOI
10.1134/s1063774518060068
Publisher site
See Article on Publisher Site

Abstract

Abstract Proteinase K solutions have been investigated by small-angle X-ray scattering in the temperature range of 10–30°C under conditions of tetragonal crystal growth. Addition of ammonium sulfate or sodium nitrate as precipitants is shown to induce the formation of a significant fraction of protein dimers in solution (the dimer content in solution increases only slightly with a decrease in temperature). The structures of possible dimers, which form the pre-crystallization phase in solution (which is necessary for the growth of proteinase K crystals), have been investigated by analyzing the known crystal structure.

Journal

Crystallography ReportsSpringer Journals

Published: Nov 1, 2018

Keywords: Crystallography and Scattering Methods

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