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Why are “natively unfolded” proteins unstructured under physiologic conditions?

Why are “natively unfolded” proteins unstructured under physiologic conditions? “Natively unfolded” proteins occupy a unique niche within the protein kingdom in that they lack ordered structure under conditions of neutral pH in vitro. Analysis of amino acid sequences, based on the normalized net charge and mean hydrophobicity, has been applied to two sets of proteins: small globular folded proteins and “natively unfolded” ones. The results show that “natively unfolded” proteins are specifically localized within a unique region of charge‐hydrophobicity phase space and indicate that a combination of low overall hydrophobicity and large net charge represent a unique structural feature of “natively unfolded” proteins. Proteins 2000;41:415–427. © 2000 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Proteins: Structure Function and Bioinformatics Wiley

Why are “natively unfolded” proteins unstructured under physiologic conditions?

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References (99)

Publisher
Wiley
Copyright
Copyright © 2000 Wiley Subscription Services
ISSN
0887-3585
eISSN
1097-0134
DOI
10.1002/1097-0134(20001115)41:3<415::AID-PROT130>3.0.CO;2-7
Publisher site
See Article on Publisher Site

Abstract

“Natively unfolded” proteins occupy a unique niche within the protein kingdom in that they lack ordered structure under conditions of neutral pH in vitro. Analysis of amino acid sequences, based on the normalized net charge and mean hydrophobicity, has been applied to two sets of proteins: small globular folded proteins and “natively unfolded” ones. The results show that “natively unfolded” proteins are specifically localized within a unique region of charge‐hydrophobicity phase space and indicate that a combination of low overall hydrophobicity and large net charge represent a unique structural feature of “natively unfolded” proteins. Proteins 2000;41:415–427. © 2000 Wiley‐Liss, Inc.

Journal

Proteins: Structure Function and BioinformaticsWiley

Published: Jan 15, 2000

Keywords: ; ; ;

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