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  The molecular chaperone TF55. Assessment of symmetry

Marco, S., Urena, D., Carrascosa, J. L., Waldmann, T., Peters, J., Hegerl, R., et al. (1994). The molecular chaperone TF55. Assessment of symmetry. FEBS Letters., 341(2-3), 152-155.

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 Creators:
Marco, S., Author
Urena, D., Author
Carrascosa, J. L., Author
Waldmann, T., Author
Peters, J.1, Author           
Hegerl, R.1, Author           
Pfeifer, G.1, Author           
Sack-Kongehl, H., Author
Baumeister, W.1, Author           
Affiliations:
1External Organizations, ou_persistent22              

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Free keywords: *Bacterial Proteins/ch [Chemistry]; Bacterial Proteins/ip [Isolation & Purification]; Bacterial Proteins/ul [Ultrastructure]; Chaperonins; Chromatography, Gel; Electrophoresis, Polyacrylamide Gel; *Heat-Shock Proteins/ch [Chemistry]; Heat-Shock Proteins/ip [Isolation & Purification]; Heat-Shock Proteins/ul [Ultrastructure]; Image Processing, Computer-Assisted; Microscopy, Electron; Proteins/ch [Chemistry]; Proteins/ip [Isolation & Purification]; Proteins/ul [Ultrastructure]; *Sulfolobus/ch [Chemistry]; Support, Non-U.S. Gov't
 Abstract: TF55-like factor from Sulfolobus solfataricus was purified to homogeneity and analyzed by electron microscopy and image analysis to determine the symmetries of these particles. Three different procedures were used to analyze the electron micrographs: (1) fuzzy-set based classification of the particles according to their rotational power spectra; (2) multivariate statistical analysis based on singular value decomposition; (3) circular harmonic analysis. Averages obtained from the three methods show unequivocally that the TF55-like complex presents a 9-fold symmetry.

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 Dates: 1994
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 318678
 Degree: -

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Title: FEBS Letters.
Source Genre: Journal
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Pages: - Volume / Issue: 341 (2-3) Sequence Number: - Start / End Page: 152 - 155 Identifier: -