Site-Specific Phosphorylation of PDZ Domains
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Site-Specific Phosphorylation of PDZ Domains. / Ma, Sana; Strømgaard, Kristian; Clemmensen, Louise S.
Expressed Protein Ligation: Methods and Protocols. red. / Miquel Vila-Perelló. Humana Press, 2020. s. 235-261 (Methods in molecular biology (Clifton, N.J.), Bind 2133).Publikation: Bidrag til bog/antologi/rapport › Bidrag til bog/antologi › Forskning › fagfællebedømt
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TY - CHAP
T1 - Site-Specific Phosphorylation of PDZ Domains
AU - Ma, Sana
AU - Strømgaard, Kristian
AU - Clemmensen, Louise S
PY - 2020
Y1 - 2020
N2 - Classical approaches for probing protein phosphorylation events rely on phosphomimicking amino acids or enzymatic phosphorylation of proteins. In many cases, phosphomimicking amino acids inadequately imitate actual protein phosphorylation, whereas the latter method suffers from an inability to control site specificity and stoichiometry. To circumvent these shortcomings, chemical biological approaches have been developed to enable introduction of phosphorylated amino acids into proteins in a reliable and controlled way. Here, we describe methods to make semisynthetic, phosphorylated PDZ domains, covering expressed protein ligation (EPL) strategies involving modifications within the N-terminal or C-terminal regions. We also enclose protocols for the biophysical characterization of the semisynthetic phosphorylated PDZ domains to establish whether the introduced phosphorylation affects protein structure, stability, and function.
AB - Classical approaches for probing protein phosphorylation events rely on phosphomimicking amino acids or enzymatic phosphorylation of proteins. In many cases, phosphomimicking amino acids inadequately imitate actual protein phosphorylation, whereas the latter method suffers from an inability to control site specificity and stoichiometry. To circumvent these shortcomings, chemical biological approaches have been developed to enable introduction of phosphorylated amino acids into proteins in a reliable and controlled way. Here, we describe methods to make semisynthetic, phosphorylated PDZ domains, covering expressed protein ligation (EPL) strategies involving modifications within the N-terminal or C-terminal regions. We also enclose protocols for the biophysical characterization of the semisynthetic phosphorylated PDZ domains to establish whether the introduced phosphorylation affects protein structure, stability, and function.
U2 - 10.1007/978-1-0716-0434-2_12
DO - 10.1007/978-1-0716-0434-2_12
M3 - Book chapter
C2 - 32144671
SN - 978-1-0716-0433-5
T3 - Methods in molecular biology (Clifton, N.J.)
SP - 235
EP - 261
BT - Expressed Protein Ligation
A2 - null, Miquel Vila-Perelló
PB - Humana Press
ER -
ID: 269723160