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Protein Ionizable Groups: pK Values and Their Contribution to Protein Stability and Solubility
Journal article   Open access   Peer reviewed

Protein Ionizable Groups: pK Values and Their Contribution to Protein Stability and Solubility

C. Nick Pace, Gerald R. Grimsley and J. Martin Scholtz
The Journal of biological chemistry, Vol.284(20), pp.13285-13289
05/15/2009
DOI: 10.1074/jbc.R800080200
PMCID: PMC2679426
PMID: 19164280
url
https://doi.org/10.1074/jbc.R800080200View
Published (Version of record) Open Access

Abstract

The structure, stability, solubility, and function of proteins depend on their net charge and on the ionization state of the individual residues. Consequently, biochemists are interested in the p K values of the ionizable groups in proteins and how these p K values depend on their environment. We review what has been learned about p K values of ionizable groups in proteins from experimental studies and discuss the important contributions they make to protein stability and solubility.
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