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Related Concept Videos

Crystal Growth: Principles of Crystallization01:25

Crystal Growth: Principles of Crystallization

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Crystallization is a phase transformation process in which crystals are precipitated from a supersaturated solution or formed from other sources. During crystallization, atoms or molecules arrange themselves into a well-defined, rigid crystal lattice to minimize energy.
Initiating crystallization involves manipulating the concentration of the solute and the temperature of the solution. Since crystal growth occurs when the ratio of concentration and solubility of the solute in the solvent...
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Recrystallization: Solid–Solution Equilibria01:10

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Recrystallization is a purification technique used to separate impurities from solid compounds. In this technique, no chemical reactions occur. Instead, it exploits physical properties only, specifically, the solubility differences between the desired compound and impurities, either at a single temperature or at different temperatures, and under other selected conditions. The solid-solution equilibrium (solubility equilibrium) of each component in the solution represents a binary phase...
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Precipitation Processes01:12

Precipitation Processes

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The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
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Nuclear Protein Sorting01:34

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Nuclear protein sorting is the selective trafficking of histones, polymerases, gene regulatory proteins into the nucleus and exporting RNAs and ribosomes to the cytosol. It is a tightly controlled process that regulates gene expression within a cell.
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Optimization of Crystal Growth for Neutron Macromolecular Crystallography
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Heterogeneous Nucleation in Protein Crystallization.

Hao Liu1, Yue Zhao1, Jing Sun2

  • 1Key Laboratory of Biobased Polymer Materials, College of Polymer Science and Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.

Biomimetics (Basel, Switzerland)
|February 22, 2023
PubMed
Summary
This summary is machine-generated.

Protein crystallization nucleation is crucial for drug purification and structural analysis. This review covers nucleation theories, heterogeneous nucleating agents, and methods for advancing protein crystallization technology.

Keywords:
crystallization strategycrystallographyheterogeneous nucleationprotein crystallization

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Area of Science:

  • Biochemistry
  • Crystallography
  • Drug Discovery

Background:

  • Protein crystallization, studied for nearly 200 years, is vital for drug purification and protein structure analysis.
  • Nucleation is the critical step in protein crystallization, influenced by factors like precipitating agents, temperature, concentration, and pH.
  • Precipitating agents play a particularly important role in influencing protein nucleation.

Purpose of the Study:

  • To summarize key protein crystallization nucleation theories.
  • To review efficient heterogeneous nucleating agents and crystallization methods.
  • To discuss applications and future prospects of protein crystallization technology.

Main Methods:

  • Review of classical nucleation theory, two-step nucleation theory, and heterogeneous nucleation theory.
  • Focus on efficient heterogeneous nucleating agents and crystallization techniques.
  • Discussion of protein crystal applications in crystallography and biopharmaceuticals.

Main Results:

  • Comprehensive overview of protein crystallization nucleation theories.
  • Identification of effective heterogeneous nucleating agents and methods.
  • Exploration of protein crystal applications in drug discovery and structural biology.

Conclusions:

  • Protein crystallization nucleation is a complex process influenced by multiple factors.
  • Heterogeneous nucleation agents and advanced methods offer promising avenues for crystallization.
  • Further technological development is essential to overcome current bottlenecks in protein crystallization.