Molecular determinants of enzyme cold adaptation: comparative structural and computational studies of cold-and warm-adapted enzymes

E Papaleo, M Tiberti, G Invernizzi… - Current Protein and …, 2011 - ingentaconnect.com
The identification of molecular mechanisms underlying enzyme cold adaptation is a hot-
topic both for fundamental research and industrial applications. In the present contribution …

Dynamic properties of extremophilic subtilisin-like serine-proteases

M Tiberti, E Papaleo - Journal of Structural Biology, 2011 - Elsevier
The investigation of the structural determinants of enzymatic temperature adaptation is a
crucial pre-requisite both in terms of fundamental research and industrial applications to …

Enzyme catalysis in psychrophiles

T Collins, C Gerday - Psychrophiles: from biodiversity to biotechnology, 2017 - Springer
Cold-active enzymes are produced by organisms, known as psychrophiles, adapted to
permanently cold habitats. Low temperatures have an exponential deleterious effct on …

[HTML][HTML] Inhibition of a cold-active alkaline phosphatase by imipenem revealed by in silico modeling of metallo-β-lactamase active sites

S Chakraborty, B Ásgeirsson, R Minda, L Salaye… - FEBS letters, 2012 - Elsevier
We demonstrate the inhibition of the native phosphatase activity of a cold active alkaline
phosphatase from Vibrio (VAP)(IC50 of 44±4 (n= 4) μM at pH 7.0 after a 30min …

Cold-active alkaline phosphatase is irreversibly transformed into an inactive dimer by low urea concentrations

JG Hjörleifsson, B Ásgeirsson - … et Biophysica Acta (BBA)-Proteins and …, 2016 - Elsevier
Alkaline phosphatase is a homodimeric metallo-hydrolase where both Zn 2+ and Mg 2+ are
important for catalysis and stability. Cold-adapted alkaline phosphatase variants have high …

Dynamics fingerprint and inherent asymmetric flexibility of a cold-adapted homodimeric enzyme. A case study of the Vibrio alkaline phosphatase

E Papaleo, G Renzetti, G Invernizzi… - Biochimica et Biophysica …, 2013 - Elsevier
BACKGROUND: Protein dynamics influence protein function and stability and modulate
conformational changes. Such motions depend on the underlying networks of intramolecular …

Near native-state conformational landscape of psychrophilic and mesophilic enzymes: probing the folding funnel model

P Mereghetti, L Riccardi, BO Brandsdal… - The Journal of …, 2010 - ACS Publications
In recent years, increased interest has been directed to the study of enzyme adaptation to
low temperatures. In particular, a peculiar folding funnel model was proposed for the free …

Fundamentals of cold-active enzymes

C Gerday - … adapted Yeasts: Biodiversity, adaptation strategies and …, 2014 - Springer
Cold-active enzymes are produced by organisms adapted to permanently cold habitats. Due
to the depressive effect of low temperatures on reaction rates, these enzymes have to be …

[HTML][HTML] X-ray crystal structure of Vibrio alkaline phosphatase with the non-competitive inhibitor cyclohexylamine

B Ásgeirsson, S Markússon, SS Hlynsdóttir… - … and Biophysics Reports, 2020 - Elsevier
Background Para-nitrophenyl phosphate, the common substrate for alkaline phosphatase
(AP), is available as a cyclohexylamine salt. Here, we report that cyclohexylamine is a non …

Functional annotation of the mesophilic-like character of mutants in a cold-adapted enzyme by self-organising map analysis of their molecular dynamics

D Fraccalvieri, M Tiberti, A Pandini, L Bonati… - Molecular …, 2012 - pubs.rsc.org
Multiple comparison of the Molecular Dynamics (MD) trajectories of mutants in a cold-
adapted α-amylase (AHA) could be used to elucidate functional features required to restore …