Human PCNA structure, function, and interactions

A González-Magaña, FJ Blanco - Biomolecules, 2020 - mdpi.com
Proliferating cell nuclear antigen (PCNA) is an essential factor in DNA replication and repair.
It forms a homotrimeric ring that embraces the DNA and slides along it, anchoring DNA …

Preparation for DNA replication: the key to a successful S phase

JC Limas, JG Cook - FEBS letters, 2019 - Wiley Online Library
Successful genome duplication is required for cell proliferation and demands extraordinary
precision and accuracy. The mechanisms by which cells enter, progress through, and exit S …

CRL4Cdt2: coupling genome stability to ubiquitination

A Panagopoulos, S Taraviras, H Nishitani… - Trends in Cell Biology, 2020 - cell.com
The cullin-RING E3 ubiquitin ligase CRL4 Cdt2 has emerged as a master regulator of
genome stability, which targets key cell cycle proteins for proteolysis during S phase and …

Targeting PCNA with peptide mimetics for therapeutic purposes

AJ Horsfall, AD Abell, JB Bruning - ChemBioChem, 2020 - Wiley Online Library
Proliferating cell nuclear antigen (PCNA) is an excellent inhibition target to shut down highly
proliferative cells and thereby develop a broad‐spectrum cancer therapeutic. It interacts with …

Dynamics of replication origin over-activation

H Fu, CE Redon, BL Thakur, K Utani… - Nature …, 2021 - nature.com
Safeguards against excess DNA replication are often dysregulated in cancer, and driving
cancer cells towards over-replication is a promising therapeutic strategy. We determined …

[HTML][HTML] Ubiquitin and SUMO as timers during DNA replication

R Martín-Rufo, G de la Vega-Barranco… - Seminars in Cell & …, 2022 - Elsevier
Every time a cell copies its DNA the genetic material is exposed to the acquisition of
mutations and genomic alterations that corrupt the information passed on to daughter cells …

Unlocking the PIP-box: A peptide library reveals interactions that drive high-affinity binding to human PCNA

AJ Horsfall, BA Vandborg, W Kowalczyk, T Chav… - Journal of biological …, 2021 - ASBMB
The human sliding clamp, Proliferating Cell Nuclear Antigen (hPCNA), interacts with over
200 proteins through a conserved binding motif, the PIP-box, to orchestrate DNA replication …

Regulation of DNA replication licensing and Re-replication by Cdt1

H Zhang - International Journal of Molecular Sciences, 2021 - mdpi.com
In eukaryotic cells, DNA replication licensing is precisely regulated to ensure that the
initiation of genomic DNA replication in S phase occurs once and only once for each mitotic …

The RepID–CRL4 ubiquitin ligase complex regulates metaphase to anaphase transition via BUB3 degradation

SM Jang, JF Nathans, H Fu, CE Redon… - Nature …, 2020 - nature.com
The spindle assembly checkpoint (SAC) prevents premature chromosome segregation by
inactivating the anaphase promoting complex/cyclosome (APC/C) until all chromosomes are …

The licensing factor Cdt1 links cell cycle progression to the DNA damage response

A Kanellou, NN Giakoumakis… - Anticancer …, 2020 - ar.iiarjournals.org
The maintenance of genome integrity is essential for cellular survival and propagation. It
relies upon the accurate and timely replication of the genetic material, as well as the rapid …