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Publications associées (34)

Photocatalytic discoloration of Methyl Orange on innovative parylene–TiO2 flexible thin films under simulated sunlight

Albert Renken, Lioubov Kiwi, Juan Kiwi, Danièle Laub

Parylene films loaded with TiO2 are reported as hotocatalysts in azo dye discoloration processes. The TiO2 loading of the parylene film was 0.32% (w/w) and the amount of TiO2 on the film was about two orders of magnitude below the TiO2 added in suspension ...

2008

Cripto localizes nodal at the limiting membrane of early endosomes

Daniel Constam, Stéphane Baflast

Cripto is a glycosylphosphatidylinositol (GPI)-anchored co-receptor of Nodal and several other transforming growth factor-beta (TGF-beta) family ligands. It contains an epidermal growth factor (EGF)-like motif and a Cripto-FRL1-Cryptic (CFC) domain, which ...

2008

The crystal structure of Rv0813c from Mycobacterium tuberculosis reveals a new family of fatty acid-binding protein-like proteins in bacteria

Stewart Cole

The gene Rv0813c from Mycobacterium tuberculosis, which codes for a hypothetical protein of unknown function, is conserved within the order Actinomycetales but absent elsewhere. The crystal structure of Rv0813c reveals a new family of proteins that resembl ...

2006

Structure-based thermodynamic analysis of caspases reveals key residues for dimerization and activity

Ursula Röthlisberger

Cysteine-dependent aspartic proteases (caspases) are a family of enzymes which play a crucial role in apoptosis. Caspases accumulate in eukaryotic cells in the form of low-activity proenzyme precursors. Proteolytic cleavage of specific sites triggers confo ...

2003

Min-plus System Theory Applied to Communication Networks

Jean-Yves Le Boudec, Patrick Thiran

Network Calculus is a set of recent developments, which provide a deep insight into flow problems encountered in networking. It can be viewed as the system theory that applies to computer networks. Contrary to traditional system theory, it relies on max-pl ...

2002

Examining reactivity and specificity of cytochrome c peroxidase by using combinatorial mutagenesis

Kai Johnsson, Claudio Arrivoli, Petra Tafelmeyer, Martin Wilming

Combinatorial mutagenesis was used to investigate the role of three key residues in cytochrome c peroxidase (CCP) from Saccharomyces cerevisiae, Arg48, Trp51, and Trp191, in control of the reactivity and selectivity of the heme-contg. enzyme. Libraries wer ...

2002

Changing the substrate specificity of cytochrome c peroxidase using directed evolution

Kai Johnsson, Petra Tafelmeyer

Cytochrome c peroxidase (I) from Saccharomyces cerevisiae was subjected to directed mol. evolution to generate mutants with increased activity against ABTS [2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)]. Using a combination of DNA shuffling and s ...

2001

Directed molecular evolution of cytochrome c peroxidase

Kai Johnsson, Petra Tafelmeyer

Cytochrome c peroxidase (CCP) from Saccharomyces cerevisiae was subjected to directed mol. evolution to generate mutants with increased activity against the classical peroxidase substrate, guaiacol, thus changing the substrate specificity of CCP from the p ...

2000

Folding of β- and γ-peptides. The influence of substitution patterns on the formation of hydrogen bonds

Karl Gademann

A symposium report. The thermal stability of beta-peptides is discussed and a mechanism for unfolding and folding is proposed. beta-Peptide helixes of only seven residues are stable up to 80 Deg and above in CD3OH. ...

1999

Protonation of histidine-132 promotes oligomerization of the channel-forming toxin aerolysin

Françoise Gisou van der Goot Grunberg

Aerolysin is a bacterial toxin that binds to a receptor on eukaryotic cells and oligomerizes to form stable, SDS-resistant, noncovalent oligomers that insert into the plasma membrane and produce well-defined channels. Little is known about the mechanisms c ...

1995

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