N. Schramek

发表

Biosynthesis of terpenoids: 4-diphosphocytidyl-2-C-methyl-D-erythritol kinase from tomato.

W. Eisenreich, A. Bacher, F. Rohdich, 2000, Proceedings of the National Academy of Sciences of the United States of America.

Biosynthesis of Riboflavin

W. Eisenreich, A. Bacher, A. Bracher, 2001, Journal of Biological Chemistry.

IspH protein of Escherichia coli: studies on iron-sulfur cluster implementation and catalysis.

W. Eisenreich, Ralf Laupitz, A. Bacher, 2004, Journal of the American Chemical Society.

Biosynthesis of the chromogen hermidin from Mercurialis annua L.

W. Eisenreich, Eva Eylert, A. Bacher, 2007, Phytochemistry.

Histidine 179 Mutants of GTP Cyclohydrolase I Catalyze the Formation of 2-Amino-5-formylamino-6-ribofuranosylamino-4(3H)-pyrimidinone Triphosphate*

R. Huber, W. Eisenreich, A. Bacher, 1999, The Journal of Biological Chemistry.

Biosynthesis of Pteridines

W. Eisenreich, A. Bacher, A. Bracher, 1998, The Journal of Biological Chemistry.

Identification of new synthetic PDE-5 inhibitors analogues found as minor components in a dietary supplement.

W. Eisenreich, N. Schramek, Uwe Wollein, 2014, Journal of pharmaceutical and biomedical analysis.

Isotopologue profiling of triterpene formation under physiological conditions. Biosynthesis of lupeol-3-(3'-R-hydroxy)-stearate in Pentalinon andrieuxii.

W. Eisenreich, A. Bacher, Fabiola Ramirez-Torres, 2014, The Journal of organic chemistry.

Potential metal impurities in active pharmaceutical substances and finished medicinal products - A market surveillance study.

N. Schramek, Uwe Wollein, R. Habernegg, 2015, European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences.

Biosynthesis of Panaxynol and Panaxydol in Panax ginseng

W. Eisenreich, C. Huber, N. Schramek, 2013, Molecules.

Biosynthesis of Riboflavin STUDIES ON THE MECHANISM OF GTP CYCLOHYDROLASE II*

W. Eisenreich, A. Bacher, A. Bracher, 2001 .

Biosynthesis of riboflavin

M. Lehmann, M. Wyss, A. Bacher, 2009, The FEBS journal.

Identification of novel sildenafil-analogues in an adulterated herbal food supplement.

W. Eisenreich, N. Schramek, Uwe Wollein, 2011, Journal of pharmaceutical and biomedical analysis.

Artemisinin biosynthesis in growing plants of Artemisia annua. A 13CO2 study.

J. Gershenzon, W. Eisenreich, A. Bacher, 2010, Phytochemistry.

Enzyme catalysis via control of activation entropy: site-directed mutagenesis of 6,7-dimethyl-8-ribityllumazine synthase.

R. Huber, A. Bacher, R. Ladenstein, 2003, Journal of molecular biology.

Determination and quantitation of sildenafil and its major metabolite in the breast milk of a lactating woman.

N. Schramek, J. Hardt, Uwe Wollein, 2016, Journal of pharmaceutical and biomedical analysis.

Evolution of vitamin B2 biosynthesis: riboflavin synthase of Arabidopsis thaliana and its inhibition by riboflavin

A. Bacher, P. Schieberle, M. Fischer, 2005, Biological chemistry.

Complementation of the fol2 deletion in Saccharomyces cerevisiae by human and Escherichia coli genes encoding GTP cyclohydrolase I.

A. Bacher, A. Bracher, M. Fischer, 1999, Biochemical and biophysical research communications.

Reaction mechanism of GTP cyclohydrolase I: single turnover experiments using a kinetically competent reaction intermediate.

R. Huber, A. Bacher, A. Bracher, 2002, Journal of molecular biology.

Biosynthesis of pteridines. Reaction mechanism of GTP cyclohydrolase I.

Andreas Bracher, Robert Huber, Markus Fischer, 2003, Journal of molecular biology.

Biosynthesis of vitamin B2.

A. Bacher, J. Kaiser, N. Schramek, 2002, European journal of biochemistry.

Biosynthesis of pteridines. Stopped-flow kinetic analysis of GTP cyclohydrolase I.

A. Bacher, A. Bracher, N. Schramek, 2001, Biochemistry.

Ring Opening Is Not Rate-limiting in the GTP Cyclohydrolase I Reaction*

A. Bacher, N. Schramek, A. Bracher, 2001, The Journal of Biological Chemistry.

Isotopologue Profiling – Toward a Better Understanding of Metabolic Pathways

W. Eisenreich, C. Huber, N. Schramek, 2013 .

13CO2 as a universal metabolic tracer in isotopologue perturbation experiments.

W. Eisenreich, Eva Eylert, Christine Schwarz, 2007, Phytochemistry.

Biosynthesis of Vitamin B2

W. Eisenreich, A. Bacher, M. Fischer, 2005, Journal of Biological Chemistry.

Pre-steady-state kinetic analysis of riboflavin synthase using a pentacyclic reaction intermediate as substrate

A. Bacher, M. Fischer, I. Haase, 2005, Biological chemistry.

Presteady State Kinetic Analysis of Riboflavin Synthase*

A. Bacher, M. Fischer, I. Haase, 2003, Journal of Biological Chemistry.

Temperature-dependent Presteady State Kinetics of Lumazine Synthase from the Hyperthermophilic Eubacterium Aquifex aeolicus*

A. Bacher, M. Fischer, I. Haase, 2003, Journal of Biological Chemistry.

Biosynthesis of riboflavin. Single turnover kinetic analysis of 6,7-dimethyl-8-ribityllumazine synthase.

A. Bacher, M. Fischer, I. Haase, 2003, Journal of the American Chemical Society.

Biosynthesis of Riboflavin

A. Bacher, A. Bracher, N. Schramek, 2001, The Journal of Biological Chemistry.

Industrial Biotechnology-Made in Germany : The path from policies to sustainable energy , commodity and specialty products

N. Schramek, Pena-Rodriguez, 2014 .

Biochemical characterization of Bacillus subtilis type II isopentenyl diphosphate isomerase, and phylogenetic distribution of isoprenoid biosynthesis pathways.

S. Steinbacher, R. Huber, W. Eisenreich, 2004, European journal of biochemistry.

Biosynthesis of isoprenoids. purification and properties of IspG protein from Escherichia coli.

W. Eisenreich, A. Bacher, J. Kaiser, 2005, The Journal of organic chemistry.

Biosynthesis of Riboflavin SINGLE TURNOVER KINETIC ANALYSIS OF GTP CYCLOHYDROLASE II*

A. Bacher, A. Bracher, N. Schramek, 2001 .

Studies on the Reaction Mechanism of GTP Cyclohydrolase I

R. Huber, W. Eisenreich, A. Bacher, 2002 .

Pyrazolopyrimidines in ‘all-natural’ products for erectile dysfunction treatment: the unreliable quality of dietary supplements

W. Eisenreich, N. Schramek, Uwe Wollein, 2015, Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.

Simultaneous determination of alkyl mesilates and alkyl besilates in finished drug products by direct injection GC/MS.

N. Schramek, Nicholas Schramek, Uwe Wollein, 2012, European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences.