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We characterize the equilibrium thermodynamics of a thick polymer confined in a spherical region of space. This is used to gain insight into the DNA packaging process. The experimental reference system for the present study is the recent characterization of the loading process of the genome...
Integration host factor (IHF) is a DNA–bending protein that recognizes its cognate sites through indirect readout. Previous studies have shown that binding of wild-type (WT)-IHF is disrupted by a T to A mutation at the center position of a conserved TTR motif in its binding site, and that...
The N-terminal domain of HypF from Escherichia coli (HypF-N) is a 91 residue protein module sharing the same folding topology and a significant sequence identity with two extensively studied human proteins, muscle and common-type acylphosphatases (mAcP and ctAcP). With the aim of learning...
The outer membrane protein FimD represents the assembly platform of adhesive type 1 pili from Escherichia coli . FimD forms ring-shaped oligomers of 91.4 kDa subunits that recognize complexes between the pilus chaperone FimC and individual pilus subunits in the periplasm and mediate subunit...
The 1,3-1,4-β- d -glucanase from Fibrobacter succinogenes (Fsβ-glucanase) is classified as one of the family 16 glycosyl hydrolases. It hydrolyzes the glycosidic bond in the mixed-linked glucans containing β-1,3- and β-1,4-glycosidic linkages. We constructed a truncated form of recombinant...
We have shown recently that PrkC, which is involved in developmental processes in Bacillus subtilis , is a Ser/Thr kinase with features of the receptor kinase family of eukaryotic Hanks kinases. In this study, we expressed and purified from Escherichia coli the cytoplasmic domain of PrkC...
Esterases and deacetylases active on carbohydrate ligands have been classified into 14 families based upon amino acid sequence similarities. Enzymes from carbohydrate esterase family seven (CE-7) are unusual in that they display activity towards both acetylated xylooligosaccharides and the...
MacroH2A is an unusual histone H2A variant that has an extensive C-terminal tail that comprises approximately two thirds of the protein. The C-terminal non-histone domain of macroH2A is also found in a number of other proteins and has been termed the macro domain. Here we report the crystal...
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