User profiles for Davit Potoyan
Davit PotoyanAssociate Professor, Iowa State University Verified email at iastate.edu Cited by 1436 |
[HTML][HTML] Sequence-encoded and composition-dependent protein-RNA interactions control multiphasic condensate morphologies
Multivalent protein-protein and protein-RNA interactions are the drivers of biological phase
separation. Biomolecular condensates typically contain a dense network of multiple proteins …
separation. Biomolecular condensates typically contain a dense network of multiple proteins …
Energy landscape analyses of disordered histone tails reveal special organization of their conformational dynamics
DA Potoyan, GA Papoian - Journal of the American Chemical …, 2011 - ACS Publications
Histone tails are highly flexible N- or C-terminal protrusions of histone proteins which facilitate
the compaction of DNA into dense superstructures known as chromatin. On a molecular …
the compaction of DNA into dense superstructures known as chromatin. On a molecular …
[HTML][HTML] Programmable viscoelasticity in protein-RNA condensates with disordered sticker-spacer polypeptides
Liquid-liquid phase separation of multivalent proteins and RNAs drives the formation of
biomolecular condensates that facilitate membrane-free compartmentalization of subcellular …
biomolecular condensates that facilitate membrane-free compartmentalization of subcellular …
Phase transition of RNA− protein complexes into ordered hollow condensates
Liquid−liquid phase separation of multivalent intrinsically disordered protein−RNA complexes
is ubiquitous in both natural and biomimetic systems. So far, isotropic liquid droplets are …
is ubiquitous in both natural and biomimetic systems. So far, isotropic liquid droplets are …
Anomalous diffusion, spatial coherence, and viscoelasticity from the energy landscape of human chromosomes
M Di Pierro, DA Potoyan… - Proceedings of the …, 2018 - National Acad Sciences
The nucleus of a eukaryotic cell is a nonequilibrium system where chromatin is subjected to
active processes that continuously rearrange it over the cell’s life cycle. Tracking the motion …
active processes that continuously rearrange it over the cell’s life cycle. Tracking the motion …
Recent successes in coarse‐grained modeling of DNA
DA Potoyan, A Savelyev… - Wiley Interdisciplinary …, 2013 - Wiley Online Library
The growing interest in the DNA‐based mesoscale systems of biological and nonbiological
nature has encouraged the computational molecular science community to develop coarse‐…
nature has encouraged the computational molecular science community to develop coarse‐…
Molecular stripping in the NF-κB/IκB/DNA genetic regulatory network
Genetic switches based on the N F - κ B / I κ B / D N A system are master regulators of an
array of cellular responses. Recent kinetic experiments have shown that I κ B can actively …
array of cellular responses. Recent kinetic experiments have shown that I κ B can actively …
Regulation of the H4 tail binding and folding landscapes via Lys-16 acetylation
DA Potoyan, GA Papoian - Proceedings of the National …, 2012 - National Acad Sciences
Intrinsically disordered proteins (IDP) are a broad class of proteins with relatively flat energy
landscapes showing a high level of functional promiscuity, which are frequently regulated …
landscapes showing a high level of functional promiscuity, which are frequently regulated …
The acetylation landscape of the H4 histone tail: disentangling the interplay between the specific and cumulative effects
Histone tails, the intrinsically disordered terminal regions of histone proteins, are key modulators
of the structure and dynamics of chromatin and, consequently, are central to many DNA …
of the structure and dynamics of chromatin and, consequently, are central to many DNA …
[PDF][PDF] RNA chain length and stoichiometry govern surface tension and stability of protein-RNA condensates
Proteomic studies have shown that cellular condensates are frequently enriched in diverse
RNA molecules, which is suggestive of mechanistic links between phase separation and …
RNA molecules, which is suggestive of mechanistic links between phase separation and …