Affinity enhancement of polo-like kinase 1 polo-box domain-binding peptides by N -methylation and lipidation

Q: What does this research mean for the field?

N-methylation and lipidation of Plk1 PBD-binding peptides significantly enhance their binding affinity, with lipidation improving affinity up to 260-fold compared to the parent peptide. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Kohei Tsuji; Kenan Bai; Xueyuan Huang; Hirokazu Tamamura

doi:10.1039/d6ob00193a

January 1, 2026Organic & Biomolecular ChemistryOpen Access

Affinity enhancement of polo-like kinase 1 polo-box domain-binding peptides by N -methylation and lipidation

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Key Points

The research aims to improve the binding affinities of polo-like kinase 1 (Plk1) polo-box domain (PBD)-binding peptides through chemical modifications.
Synthesis of Plk1 PBD-binding peptides with N-methylation.
Lipidation of peptides.
Comparison of binding affinities to the parent peptide.
N-methylation improved PBD affinities by up to 4-fold.
Lipidation increased PBD affinities by up to 260-fold.

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Implication

Synthesis of modified peptides enhances binding affinities in cell signaling, suggesting new therapeutic strategies.

Abstract

Synthesized Plk1 PBD-binding peptides with N -methylation exhibited up to 4-fold improved PBD affinities and with lipidation demonstrated up to 260-fold improved PBD affinities as compared with the parent peptide.

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Cite This Study

Tsuji et al. (2026) studied this question.

synapsesocial.com/papers/69c620be15a0a509bde19582 https://doi.org/10.1039/d6ob00193a

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Affinity enhancement of polo-like kinase 1 polo-box domain-binding peptides by N -methylation and lipidation

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Affinity enhancement of polo-like kinase 1 polo-box domain-binding peptides by N -methylation and lipidation

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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