Water Leakage Pathway Leads to Internal Hydration of the p53 Core Domain

IDM Lima, MM Pedrote, MA Marques, GS Sousa… - Biochemistry, 2022 - ACS Publications
The gene encoding the p53 tumor suppressor protein is the most frequently mutated
oncogene in cancer patients; yet, generalized strategies for rescuing the function of different …

Water's potential role: Insights from studies of the p53 core domain

X Xu, Z Ma, X Wang, ZT Xiao, Y Li, ZH Xue… - Journal of structural …, 2012 - Elsevier
Soluble proteins with amyloidogenic propensity such as the tumor suppressor protein p53
have high proportion of incompletely desolvated backbone H bonds (HB). Such bonds are …

The p53 core domain is a molten globule at low pH: functional implications of a partially unfolded structure

APDA Bom, MS Freitas, FS Moreira, D Ferraz… - Journal of Biological …, 2010 - ASBMB
p53 is a transcription factor that maintains genome integrity, and its function is lost in 50% of
human cancers. The majority of p53 mutations are clustered within the core domain. Here …

Effect of Y220C mutant on the conformational transition of p53C probed by molecular dynamics simulation

HC SHEN, JY DING, L Li, FF LIU - Acta Physico-Chimica Sinica, 2016 - ingentaconnect.com
At present, p53 is the tumor suppressor protein with the highest known frequency of
mutation. Mutations in p53 will lead to the loss of its anti-cancer function and initiate cancers …

Stabilising the DNA-binding domain of p53 by rational design of its hydrophobic core

KH Khoo, AC Joerger, SMV Freund… - … Engineering, Design & …, 2009 - academic.oup.com
The core domain of the tumour suppressor p53 is of inherently low thermodynamic stability
and also low kinetic stability, which leads to rapid irreversible denaturation. Some oncogenic …

Chaperoning of mutant p53 protein by wild-type p53 protein causes hypoxic tumor regression

R Gogna, E Madan, P Kuppusamy, U Pati - Journal of Biological Chemistry, 2012 - ASBMB
Mutant (Mt) p53 abrogates tumor suppression functions of wild-type (WT) p53 through
mutant-specific, gain-of-function effects, and patients bearing Mt p53 are chemoresistant …

Long-range effects of mutating R248 to Q/W in the p53 core domain

SY Noskov, JD Wright, C Lim - The Journal of Physical Chemistry …, 2002 - ACS Publications
The mutations of R248 to Trp and Gln in the core domain (CD) of the p53 protein are some
of the most common mutations found in human cancer. Although the mutant 248Q and 248W …

Factors governing loss and rescue of DNA binding upon single and double mutations in the p53 core domain

JD Wright, SY Noskov, C Lim - Nucleic acids research, 2002 - academic.oup.com
The mutation of R273→ H in the p53 core domain (p53-CD) is one of the most common
mutations found in human cancers. Although the 273H p53-CD retains the wild-type …

[HTML][HTML] Conformational stability and dynamics of the cancer-associated isoform Δ133p53β are modulated by p53 peptides and p53-specific DNA

J Lei, R Qi, Y Tang, W Wang, G Wei… - The FASEB …, 2019 - ncbi.nlm.nih.gov
Abstract p53 is a tumor suppressor protein that maintains genome stability, but its Δ133p53β
and Δ160p53β isoforms promote breast cancer cell invasion. The sequence truncations in …

Insights into allosteric mechanisms of the lung-enriched p53 mutants V157F and R158L

J Lei, X Li, M Cai, T Guo, D Lin, X Deng… - International Journal of …, 2022 - mdpi.com
Lung cancer is a leading fatal malignancy in humans. p53 mutants exhibit not only loss of
tumor suppressor capability but also oncogenic gain-of-function, contributing to lung cancer …