The importance of the digest: proteolysis and absolute quantification in proteomics

P Brownridge, RJ Beynon - Methods, 2011 - Elsevier
Virtually all mass spectrometric-based methods for quantitative proteomics are at the peptide
level, whether label-mediated or label-free. Absolute quantification in particular is based on …

Strong anion exchange‐mediated phosphoproteomics reveals extensive human non‐canonical phosphorylation

G Hardman, S Perkins, PJ Brownridge, CJ Clarke… - The EMBO …, 2019 - embopress.org
Phosphorylation is a key regulator of protein function under (patho)physiological conditions,
and defining site‐specific phosphorylation is essential to understand basic and disease …

[HTML][HTML] Characterising proteolysis during SARS-CoV-2 infection identifies viral cleavage sites and cellular targets with therapeutic potential

…, J Chiaravalli, S Gellenoncourt, P Brownridge… - Nature …, 2021 - nature.com
SARS-CoV-2 is the causative agent behind the COVID-19 pandemic, responsible for over
170 million infections, and over 3.7 million deaths worldwide. Efforts to test, treat and …

Global absolute quantification of a proteome: Challenges in the deployment of a QconCAT strategy

P Brownridge, SW Holman, SJ Gaskell, CM Grant… - …, 2011 - Wiley Online Library
In this paper, we discuss the challenge of large‐scale quantification of a proteome, referring
to our programme that aims to define the absolute quantity, in copies per cell, of at least …

Differential cysteine labeling and global label-free proteomics reveals an altered metabolic state in skeletal muscle aging

…, GK Sakellariou, NT Smith, P Brownridge… - Journal of proteome …, 2014 - ACS Publications
The molecular mechanisms underlying skeletal muscle aging and associated sarcopenia
have been linked to an altered oxidative status of redox-sensitive proteins. Reactive oxygen …

[HTML][HTML] Probing the biogenesis pathway and dynamics of thylakoid membranes

…, T Ni, GF Dykes, DM Simpson, P Brownridge… - Nature …, 2021 - nature.com
How thylakoid membranes are generated to form a metabolically active membrane network
and how thylakoid membranes orchestrate the insertion and localization of protein …

[HTML][HTML] Sperm competition risk drives plasticity in seminal fluid composition

…, DA Edward, AJ Claydon, DE Hammond, P Brownridge… - BMC biology, 2015 - Springer
Background Ejaculates contain a diverse mixture of sperm and seminal fluid proteins, the
combination of which is crucial to male reproductive success under competitive conditions. …

[HTML][HTML] Direct and absolute quantification of over 1800 yeast proteins via selected reaction monitoring

C Lawless, SW Holman, P Brownridge… - Molecular & Cellular …, 2016 - ASBMB
Defining intracellular protein concentration is critical in molecular systems biology. Although
strategies for determining relative protein changes are available, defining robust absolute …

PEPPI-MS: Polyacrylamide-gel-based prefractionation for analysis of intact proteoforms and protein complexes by mass spectrometry

…, DS Butcher, VM Harman, P Brownridge… - Journal of proteome …, 2020 - ACS Publications
Prefractionation of complex mixtures of proteins derived from biological samples is
indispensable for proteome analysis via top-down mass spectrometry (MS). Polyacrylamide gel …

[HTML][HTML] Decoding the stoichiometric composition and organisation of bacterial metabolosomes

M Yang, DM Simpson, N Wenner, P Brownridge… - Nature …, 2020 - nature.com
Some enteric bacteria including Salmonella have evolved the propanediol-utilising
microcompartment (Pdu MCP), a specialised proteinaceous organelle that is essential for 1,2-…