Search Results - "FREEDMAN, Robert B"
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Protein disulfide-isomerase interacts with a substrate protein at all stages along its folding pathway
Published in PloS one (20-01-2014)“…In contrast to molecular chaperones that couple protein folding to ATP hydrolysis, protein disulfide-isomerase (PDI) catalyzes protein folding coupled to…”
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Efficient export of prefolded, disulfide-bonded recombinant proteins to the periplasm by the Tat pathway in Escherichia coli CyDisCo strains
Published in Biotechnology progress (01-03-2014)“…Numerous high‐value therapeutic proteins are produced in Escherichia coli and exported to the periplasm, as this approach simplifies downstream processing and…”
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3
High-yield export of a native heterologous protein to the periplasm by the tat translocation pathway in Escherichia coli
Published in Biotechnology and bioengineering (01-10-2012)“…Numerous high‐value recombinant proteins that are produced in bacteria are exported to the periplasm as this approach offers relatively easy downstream…”
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Mapping of the ligand-binding site on the b' domain of human PDI: interaction with peptide ligands and the x-linker region
Published in Biochemical journal (15-10-2009)“…PDI (protein disulfide-isomerase) catalyses the formation of native disulfide bonds of secretory proteins in the endoplasmic reticulum. PDI consists of four…”
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Alternative Conformations of the x Region of Human Protein Disulphide-Isomerase Modulate Exposure of the Substrate Binding b’ Domain
Published in Journal of molecular biology (28-11-2008)“…Protein disulphide isomerase (PDI) is a key multi-domain protein folding catalyst in the endoplasmic reticulum. The b’ domain of PDI is essential for the…”
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High-resolution NMR studies of structure and dynamics of human ERp27 indicate extensive interdomain flexibility
Published in Biochemical journal (01-03-2013)“…ERp27 (endoplasmic reticulum protein 27.7 kDa) is a homologue of PDI (protein disulfide-isomerase) localized to the endoplasmic reticulum. ERp27 is predicted…”
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A Major Fraction of Endoplasmic Reticulum-located Glutathione Is Present as Mixed Disulfides with Protein
Published in The Journal of biological chemistry (13-02-2004)“…The tripeptide glutathione is the most abundant thiol/disulfide component of the eukaryotic cell and is known to be present in the endoplasmic reticulum lumen…”
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The mechanism of inactivation of glucose oxidase from Penicillium amagasakiense under ambient storage conditions
Published in Enzyme and microbial technology (10-06-2011)“…Glucose oxidase (GOx) from Penicillium amagasakiense has a higher specific activity than the more commonly studied Aspergillus niger enzyme, and may therefore…”
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9
Characterization of Folding Cores in the Cyclophilin A-Cyclosporin A Complex
Published in Biophysical journal (07-04-2015)“…Determining the folding core of a protein yields information about its folding process and dynamics. The experimental procedures for identifying the amino…”
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10
Protein disulfide isomerases exploit synergy between catalytic and specific binding domains
Published in EMBO reports (01-02-2002)“…Protein disulfide isomerases (PDIs) catalyse the formation of native disulfide bonds in protein folding pathways. The key steps involve disulfide formation and…”
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Molecular Characterization of the Principal Substrate Binding Site of the Ubiquitous Folding Catalyst Protein Disulfide Isomerase
Published in The Journal of biological chemistry (12-03-2004)“…Disulfide bond formation in the endoplasmic reticulum of eukaryotes is catalyzed by the ubiquitously expressed enzyme protein disulfide isomerase (PDI). The…”
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12
Investigation of the impact of Tat export pathway enhancement on E. coli culture, protein production and early stage recovery
Published in Biotechnology and bioengineering (01-04-2012)“…The twin arginine translocation (Tat) pathway occurs naturally in E. coli and has the distinct ability to translocate folded proteins across the inner membrane…”
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13
Catalytic Activity and Chaperone Function of Human Protein-disulfide Isomerase Are Required for the Efficient Refolding of Proinsulin
Published in The Journal of biological chemistry (04-01-2002)“…Protein-disulfide isomerase (PDI) catalyzes the formation, rearrangement, and breakage of disulfide bonds and is capable of binding peptides and unfolded…”
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14
The ligand‐binding b′ domain of human protein disulphide‐isomerase mediates homodimerization
Published in Protein science (01-12-2009)“…Purified preparations of the recombinant b′x domain fragment of human protein‐disulphide isomerase (PDI), which are homogeneous by mass spectrometry and sodium…”
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15
Reconstitution of Human Ero1-Lα/Protein-Disulfide Isomerase Oxidative Folding Pathway in Vitro: POSITION-DEPENDENT DIFFERENCES IN ROLE BETWEEN THE a AND a' DOMAINS OF PROTEIN-DISULFIDE ISOMERASE
Published in The Journal of biological chemistry (02-01-2009)“…Protein-disulfide isomerase (PDI), a critical enzyme responsible for oxidative protein folding in the eukaryotic endoplasmic reticulum, is composed of four…”
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‘Something in the way she moves’: The functional significance of flexibility in the multiple roles of protein disulfide isomerase (PDI)
Published in Biochimica et biophysica acta. Proteins and proteomics (01-11-2017)“…Protein disulfide isomerase (PDI) has diverse functions in the endoplasmic reticulum as catalyst of redox transfer, disulfide isomerization and oxidative…”
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Quantitative Analyses of the Yeast Oxidative Protein Folding Pathway In Vitro and In Vivo
Published in Antioxidants & redox signaling (01-08-2019)“…Efficient oxidative protein folding (OPF) in the endoplasmic reticulum (ER) is a key requirement of the eukaryotic secretory pathway. In particular, protein…”
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18
Enzyme hyperactivity in AOT water-in-oil microemulsions is induced by 'lone' sodium counterions in the water-pool
Published in Faraday discussions (01-01-2005)“…Water-in-oil microemulsions are thermodynamically stable single-phase dispersions of water and surfactant within a continuous oil phase. The classical ternary…”
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Plasticity of Human Protein Disulfide Isomerase: EVIDENCE FOR MOBILITY AROUND THE X-LINKER REGION AND ITS FUNCTIONAL SIGNIFICANCE
Published in The Journal of biological chemistry (27-08-2010)“…Protein disulfide isomerase (PDI), which consists of multiple domains arranged as abb'xa'c, is a key enzyme responsible for oxidative folding in the…”
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20
Thermal Inactivation of Uricase (Urate Oxidase): Mechanism and Effects of Additives
Published in Biochemistry (Easton) (22-01-2013)“…Uricase (Urc) is an oxidoreductase enzyme of both general and commercial interest, the former because of its lack of a cofactor and the latter because of its…”
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