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 …

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 …

Partially folded conformations in the folding pathway of bovine carbonic anhydrase II: a fluorescence spectroscopic analysis

NA Bushmarina, IM Kuznetsova, AG Biktashev… - …, 2001 - Wiley Online Library
Abstract GdmCl‐, urea‐, and pH‐induced unfolding pathways of bovine carbonic anhydrase
II have been analyzed by using changes induced by different denaturing agents in intensity …

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 …

Development of free-energy-based models for chaperonin containing TCP-1 mediated folding of actin

GM Altschuler, KR Willison - Journal of the Royal Society …, 2008 - royalsocietypublishing.org
A free-energy-based approach is used to describe the mechanism through which
chaperonin-containing TCP-1 (CCT) folds the filament-forming cytoskeletal protein actin …

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 …

Cofactor effects on the protein folding reaction: Acceleration of α‐lactalbumin refolding by metal ions

NA Bushmarina, CE Blanchet, G Vernier… - Protein …, 2006 - Wiley Online Library
About 30% of proteins require cofactors for their proper folding. The effects of cofactors on
the folding reaction have been investigated with α‐lactalbumin as a model protein and metal …

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 …

Physico-chemical properties of actin cleaved with bacterial protease from E. coli A2 strain

SY Khaitlina, JH Collins, IM Kuznetsova, VP Pershina… - FEBS letters, 1991 - Elsevier
The 36 kDa fragment of actin molecule obtained with the protease from E. coli A2 strain
[(1988) FEBS Lett. 228, 172] was shown to begin with Val-43 and retain the COOH-terminal …

Kinetics of actin unfolding induced by guanidine hydrochloride

KK Turoverov, VV Verkhusha, MM Shavlovsky… - Biochemistry, 2002 - ACS Publications
The kinetics of actin unfolding induced by guanidine hydrochloride has been studied. On the
basis of obtained experimental data a new kinetic pathway of actin unfolding was proposed …