Results 71 to 80 of about 13,196,617 (310)
The physical dimensions and shape of bacterial cells define the surface area available to acquire nutrients and the volume available for synthesizing proteins and DNA. Here, we use computational systems biology to decode the importance of cell geometry as a major determinant of prokaryotic phenotype, including growth rate and metabolic efficiency. This
Ross P. Carlson +6 more
wiley +1 more source
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley +1 more source
Structural basis of G-quadruplex unfolding by the DEAH/RHA helicase DHX36
Guanine-rich nucleic acid sequences challenge the replication, transcription, and translation machinery by spontaneously folding into G-quadruplexes, the unfolding of which requires forces greater than most polymerases can exert1,2.
Michael C. Chen +6 more
semanticscholar +1 more source
The G-quadruplex, a four-stranded DNA structure with stacked guanine tetrads (G-quartets), has recently been attracting attention because of its critical roles<em> in vitro</em> and<em> in vivo</em>.
Naoki Sugimoto +3 more
doaj +1 more source
Reconstructing enzyme evolution by protein engineering
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler +2 more
wiley +1 more source
A guide to computational methods for G-quadruplex prediction
Guanine-rich nucleic acids can fold into the non-B DNA or RNA structures called G-quadruplexes (G4). Recent methodological developments have allowed the characterization of specific G-quadruplex structures in vitro as well as in vivo, and at a much ...
E. P. Puig Lombardi, A. Londoño-Vallejo
semanticscholar +1 more source
G-quadruplexes in Prague: A Bohemian Rhapsody [PDF]
The Sixth International Meeting on Quadruplex Nucleic Acids was held at the Hotel Internationale in Prague, Czech Republic from 31 May - 3 June 2017. A vibrant interdisciplinary community of over 300 scientists gathered to share their newest results in this exciting field and exchange ideas for further investigations.
Michael Paul O'Hagan +2 more
openaire +4 more sources
Hemin/G-quadruplex DNAzyme for Designing of Electrochemical Sensors
Guanine-rich nucleic acid sequence can fold into guanine quadruplex (G-quadruplex) that is found to complex tightly with hemin to form the hemin/G-quadruplex.
Guo-Cheng Han +2 more
doaj +1 more source
Formation of a unique cluster of G-quadruplex structures in the HIV-1 Nef coding region: implications for antiviral activity. [PDF]
G-quadruplexes are tetraplex structures of nucleic acids that can form in G-rich sequences. Their presence and functional role have been established in telomeres, oncogene promoters and coding regions of the human chromosome.
Rosalba Perrone +7 more
doaj +1 more source
Tetrads (or quartets) are arrangements of four nucleobases commonly involved in the stability of four-stranded nucleic acids structures. Four-stranded or quadruplex structures have attracted enormous attention in the last few years, being the most ...
Núria Escaja +3 more
doaj +1 more source

