Analysis and functional prediction of reactive cysteine residues

Cys is much different from other common amino acids in proteins. Being one of the least abundant residues, Cys is often observed in functional sites in proteins. This residue is reactive, polarizable, and redox-active; has high affinity for metals; and is particularly responsive to the local environ...

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Bibliographic Details
Published in:The Journal of biological chemistry Vol. 287; no. 7; p. 4419
Main Authors: Marino, Stefano M, Gladyshev, Vadim N
Format: Journal Article
Language:English
Published: United States 10.02.2012
Subjects:
Algorithms
Animals
Cysteine - chemistry
Cysteine - genetics
Humans
Oxidation-Reduction
Proteins - chemistry
Proteins - genetics
Sequence Analysis, Protein - methods
ISSN:1083-351X, 1083-351X
Online Access:Get more information
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Summary:Cys is much different from other common amino acids in proteins. Being one of the least abundant residues, Cys is often observed in functional sites in proteins. This residue is reactive, polarizable, and redox-active; has high affinity for metals; and is particularly responsive to the local environment. A better understanding of the basic properties of Cys is essential for interpretation of high-throughput data sets and for prediction and classification of functional Cys residues. We provide an overview of approaches used to study Cys residues, from methods for investigation of their basic properties, such as exposure and pK(a), to algorithms for functional prediction of different types of Cys in proteins.
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ISSN:1083-351X
1083-351X
DOI:10.1074/jbc.R111.275578