Target intelligence / Profile preview

Polo-like kinase 3 (PLK3)

Target: PLK3
Molecular classification: Ser/Thr Protein Kinase, Enzyme

Overview

Polo-like kinase 3 (PLK3) is a member of the polo-like kinase family of serine/threonine kinases. It plays critical roles in cell cycle regulation, particularly at multiple stages including G1/S transition, G2 phase, mitosis, and response to cellular stress such as DNA damage or mitotic spindle disruption. PLK3 interacts with proteins like Chk2, p53, tubulin, and Cdc25A, and mutations or dysregulation have been linked to various cancers including breast cancer and Ataxia-Telangiectasia syndrome.

Mechanism of action

Kinase inhibitor (potential)

Biological functions

Cell cycle regulationStress response signaling

Disease associations

CancerAtaxia-Telangiectasia

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