Synthesis of β-hexa- and β-heptapeptides containing novel β2,3-amino acids with two serine or two cysteine side chains - CD- and NMR-spectroscopic evidence for 314-helical secondary structures in water
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The invention relates to AGT mutants showing, when compared to the wild type human AGT, two or more advantageous properties selected from (a) reduced DNA interaction (b) localisation of the expressed protein in eukaryotic cells that is no longer restricted ...
An amino or thiol linker building block for the synthesis of amino or thiol functionalized amino acids and generally of the following structure: Formula XII is provided. Such building block may be introduced in the 5' end position of an amino acid under st ...
Asym. synthesis of lemonomycinone amide was accomplished from readily accessible starting materials. Enantioselective alkylation of N-(diphenylmethylene)glycine tert-Bu ester by 5-tert-butyldimethylsilyloxy-2,4-dimethoxy-3-methylbenzyl bromide in the prese ...
Microcystins (MCs) are toxic heptapeptides found in cyanobacteria and share the common structure cyclo(-D-Ala1-L- X2-D-isoMeAsp3-L-Z4-Adda5-D-isoGlu6-Mdha7). The letters X and Z in the general formula above represent a wide range of L-amino acids that occu ...
We report on the characteristics of the radical-ion-driven dissociation of a diverse array of beta-amino acids incorporated into alpha-peptides, as probed by tandem electron-capture and electron-transfer dissociation (ECD/ETD) mass spectrometry. The report ...
An organometallic 4d transition metal complex [CpRhCl2]2, together with commercially available dyes, was used to construct indicator displacement assays (IDAs) for the detection of peptides, amino acids, and nucleotides. The combination of the CpRh compl ...
This study presents a new method, Köhler Theory Analysis (KTA), to infer the molar volume and solubility of organic aerosol constituents. The method is based on measurements of surface tension, chemical composition, and CCN activity coupled with Köhler the ...
We present mechanistic studies aimed at improving the understanding of the product ion formation rules in electron capture dissociation (ECD) of peptides and proteins in Fourier transform ion cyclotron resonance mass spectrometry. In particular, we attempt ...
Fibrinogen fusion proteins, methods of making, and methods of using fibrinogen fusion proteins are described. In a preferred embodiment the fibrinogen fusion protein contains a truncated Aa chain of fibrinogen. The Aa chain contains truncation site, which ...
Nucleic acid sequence analogues, in particular tRNA analogues comprising in the place of a 3'-terminal adenosine a 3'-terminal 2'-deoxy-2'-thioadenosine are able to react site-specifically with weakly activated amino acid derivatives (e.g. phenylthioesters ...