Thermal unfolding and aggregation of actin: Stabilization and destabilization of actin filaments

DI Levitsky, AV Pivovarova, VV Mikhailova… - The FEBS …, 2008 - Wiley Online Library
Actin is one of the most abundant proteins in nature. It is found in all eukaryotes and plays a
fundamental role in many diverse and dynamic cellular processes. Also, actin is one of the …

Mechanism of suppression of protein aggregation by α-crystallin

KA Markossian, IK Yudin, BI Kurganov - International journal of molecular …, 2009 - mdpi.com
This review summarizes experimental data illuminating the mechanism of suppression of
heat-induced protein aggregation by α-crystallin, one of the small heat shock proteins. The …

Use of the phase diagram method to analyze the protein unfolding-refolding reactions: fishing out the “invisible” intermediates

IM Kuznetsova, KK Turoverov… - Journal of proteome …, 2004 - ACS Publications
Partially folded conformations are important players in protein self-organization, function,
and misfolding, thus attracting the intensive and constant attention of researchers. Different …

Small-angle X-ray scattering structural insights into alternative pathway of actin oligomerization associated with inactivated state

YL Ryzhykau, OI Povarova, EA Dronova… - Biochemical and …, 2024 - Elsevier
In addition to the well-known monomeric globular (G-actin) and polymeric fibrillar (F-actin)
forms, actin can exist in the so-called inactivated form (I-actin). Hsp70 chaperon, prefoldin …

Intrinsic fluorescence of actin

KK Turoverov, IM Kuznetsova - Journal of fluorescence, 2003 - Springer
In this work actin is used to illustrate connection of protein fluorescence characteristics with
its structure. On one hand, it has been demonstrated what kind of information about the …

The oxidation produced by hydrogen peroxide on Ca-ATP-G-actin

A Milzani, R Rossi, P Di Simplicio, D Giustarini… - Protein …, 2000 - cambridge.org
We report here that in vitro exposure of monomeric actin to hydrogen peroxide leads to a
conversion of 6 of the 16 methionine residues to methionine sulfoxide residues. Although …

Mechanism of thermal aggregation of rabbit muscle glyceraldehyde-3-phosphate dehydrogenase

KA Markossian, HA Khanova, SY Kleimenov… - Biochemistry, 2006 - ACS Publications
Thermal denaturation and aggregation of rabbit muscle glyceraldehyde-3-phosphate
dehydrogenase (GAPDH) have been studied using differential scanning calorimetry (DSC) …

Ca2+ Affects Physicochemical and Conformational Changes of Threadfin Bream Myosin and Actin in a Setting Model

BO Hemung, J Yongsawatdigul - Journal of food science, 2005 - Wiley Online Library
The effect of Ca2+ on physicochemical and conformational changes of threadfin bream (TB)
myosin and actin during setting at 25 and 40° C was investigated. Ca2+ ion at 10 to 100 mM …

The Place of Inactivated Actin and Its Kinetic Predecessor in Actin Folding− Unfolding

IM Kuznetsova, OV Stepanenko, OV Stepanenko… - Biochemistry, 2002 - ACS Publications
The kinetics of actin unfolding induced by guanidine hydrochloride of different
concentrations was studied. The parametric representation of the kinetic dependencies of …

Thermal unfolding of G‐actin monitored with the DNase I‐inhibition assay: Stabilities of actin isoforms

H Schüler, U Lindberg, CE Schutt… - European journal of …, 2000 - Wiley Online Library
Actin is one of the proteins that rely on chaperonins for proper folding. This paper shows that
the thermal unfolding of G‐actin, as studied by CD and ultraviolet difference spectrometry …