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Methods 34 (2004) 266272 www.elsevier.com/locate/ymeth
 

Summary: Methods 34 (2004) 266­272
www.elsevier.com/locate/ymeth
1046-2023/$ - see front matter 2004 Elsevier Inc. All rights reserved.
doi:10.1016/j.ymeth.2004.03.028
Protein crystallization and phase diagrams
Neer Asherie¤,1
Department of Physics, Center for Materials Science and Engineering and Materials Processing Center, Massachusetts Institute of Technology,
Cambridge, MA 02139-4307, USA
Accepted 24 March 2004
Abstract
The phase diagram is a map which represents the state of a material (e.g., solid and liquid) as a function of the ambient condi-
tions (e.g., temperature and concentration). It is therefore a useful tool in processing many diVerent classes of materials. In this arti-
cle, methods to determine the phase diagram of an aqueous solution of a globular protein are described, focusing on the solid
(crystal) and condensed liquid states. The use of the information contained in the phase diagram for protein crystallization is also
discussed.
2004 Elsevier Inc. All rights reserved.
Keywords: Protein crystals; Liquid­liquid phase separation; Phase diagrams; Cloud-point method; Solubility
1. Introduction
A protein will stay in solution only up to a certain
concentration. Once this limiting concentration is

  

Source: Asherie, Neer - Departments of Physics & Biology, Yeshiva University
Benedek, George B. - Department of Physics, Massachusetts Institute of Technology (MIT)

 

Collections: Biology and Medicine; Physics