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The progress of membrane protein structure determination.

Stephen H White1

  • 1Department of Physiology and Biophysics, Medical Sciences I, D-346, University of California at Irvine, Irvine, CA 92697-4560, USA. blanco@helium.biomol.uci.edu

Protein Science : a Publication of the Protein Society
|June 25, 2004
PubMed
Summary

The determination of membrane protein (MP) structures grows exponentially but slower than soluble proteins. This analysis covers 18 years of structural biology data.

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Area of Science:

  • Structural Biology
  • Biochemistry
  • Molecular Biology

Background:

  • Membrane proteins (MPs) are crucial for cellular functions but challenging to study structurally.
  • High-resolution structural data for MPs is essential for understanding their biological roles and for drug discovery.

Purpose of the Study:

  • To analyze the historical rate of membrane protein structure determination.
  • To compare the growth trajectory of MP structure determination with that of soluble proteins.

Main Methods:

  • Quantitative analysis of publication data for high-resolution membrane protein structures.
  • Time-series analysis of structure determination rates over an 18-year period.
  • Comparative analysis against rates for soluble protein structure determination.

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Main Results:

  • The determination of membrane protein structures exhibits a consistent exponential growth pattern.
  • This growth, however, lags significantly behind the rate observed for soluble proteins during comparable periods.
  • The analysis spans 18 years following the first high-resolution crystal structure publication.

Conclusions:

  • Despite advancements, membrane protein structure determination continues to be a slower process compared to soluble proteins.
  • The findings highlight persistent challenges in structural studies of membrane proteins.
  • Future efforts should focus on accelerating the structure determination pipeline for membrane proteins.