Abstract Der letzte Schritt der Denitrifikation ist die Reduktion von Lachgas (N 2 O) zu N , durch Cu‐abhängige Distickstoffmonoxid‐Reduktase OR) vermittelt wird. Ihre Metallzentren, Cu A und Z werden sequenzielle Bereitstellung zwölf I ‐Ionen ein Metall‐Chaperon assembliert, das Teil eines nos ‐Genclusters ist, Enzym seine akzessorischen Faktoren kodiert. Bei dem Chaperon handelt es sich um no...

Analyzing the S matrices associated with a host of relaxation processes allows one, using extra ‘‘chaperon’’ states, to construct a decoherence-free subspace ~DFS! that is immune to the effects of relaxation. The method does not require knowledge of the system-bath Hamiltonian, which is rarely known. Thus, a DFS can be constructed directly from experimentally determined relaxation and dephasing...

In this paper we show that hydroxyapatite nanoparticles (NP) can not only act as a chaperon (by imparting thermostability) but can serve as a synthetic enhancer of activity of an isolated extracellular pectate lyase (APL) with low native state activity. The purified enzyme (an attenuated strain of Macrophomina phaseolina) showed feeble activity at 50°C and pH 5.6. However, on addition of 10.5 µ...

Introduction Development of a potentially biomimetic methodology Chemical Synthesis of Porphobilinogen Conclusions References and Notes Pavel Bobál, André Chaperon, Antonia Neels*, Helen Stoeckli-Evans* and Reinhard Neier Institut de Chimie de l'Université de Neuchâtel, CH-2000 Neuchâtel E-mail: [email protected] * For questions concerning the X-ray structures please contact: Service ...