Pinning Down Proline-Directed Phosphorylation Signaling

Notes on a 2002 Trends in Cell Biology review introducing phosphorylation-specific prolyl isomerization as a novel signaling mechanism. Pin1-mediated cis-trans switching of pSer/Thr-Pro motifs acts as a conformational timer for cellular signaling, impacting activity, interactions, and localization of key regulatory proteins.

Pinning Down Proline-Directed Phosphorylation Signaling

Notes on a 2002 Trends in Cell Biology review introducing phosphorylation-specific prolyl isomerization as a novel signaling mechanism. Pin1-mediated cis-trans switching of pSer/Thr-Pro motifs acts as a conformational timer for cellular signaling, impacting activity, interactions, and localization of key regulatory proteins.

Regulatory Modules: Coupling Protein Stability to Phosphorylation during Cell Division

Notes on 2012 FEBS Review about how phosphorylation controls protein stability via phosphodegrons and phospho-inhibited degrons, integrating ubiquitin-mediated degradation in cell cycle regulation.

Regulatory Modules: Coupling Protein Stability to Phosphorylation during Cell Division

Notes on 2012 FEBS Review about how phosphorylation controls protein stability via phosphodegrons and phospho-inhibited degrons, integrating ubiquitin-mediated degradation in cell cycle regulation.

Mechanism of CDK Activation Revealed by the Structure of a CyclinA-CDK2 Complex

Notes on a 1995 Nature paper revealing the structural mechanism of CDK2 activation by cyclinA, focusing on key conformational changes that relieve autoinhibition and organize the catalytic site.

Mechanism of CDK Activation Revealed by the Structure of a CyclinA-CDK2 Complex

Notes on a 1995 Nature paper revealing the structural mechanism of CDK2 activation by cyclinA, focusing on key conformational changes that relieve autoinhibition and organize the catalytic site.

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