Joachim Knappe

University of Heidelberg, Heidelberg, Baden-Württemberg, Germany 
Metabolism, enzymology
"Joachim Knappe"
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Knappe J, Wagner AF. (2001) Stable glycyl radical from pyruvate formate-lyase and ribonucleotide reductase (III). Advances in Protein Chemistry. 58: 277-315
Wagner AF, Schultz S, Bomke J, et al. (2001) YfiD of Escherichia coli and Y06I of bacteriophage T4 as autonomous glycyl radical cofactors reconstituting the catalytic center of oxygen-fragmented pyruvate formate-lyase. Biochemical and Biophysical Research Communications. 285: 456-62
Plaga W, Vielhaber G, Wallach J, et al. (2000) Modification of Cys-418 of pyruvate formate-lyase by methacrylic acid, based on its radical mechanism. Febs Letters. 466: 45-8
Becker A, Fritz-Wolf K, Kabsch W, et al. (1999) Structure and mechanism of the glycyl radical enzyme pyruvate formate-lyase. Nature Structural Biology. 6: 969-75
Wagner AF, Demand J, Schilling G, et al. (1999) A dehydroalanyl residue can capture the 5'-deoxyadenosyl radical generated from S-adenosylmethionine by pyruvate formate-lyase-activating enzyme. Biochemical and Biophysical Research Communications. 254: 306-10
Külzer R, Pils T, Kappl R, et al. (1998) Reconstitution and characterization of the polynuclear iron-sulfur cluster in pyruvate formate-lyase-activating enzyme. Molecular properties of the holoenzyme form. The Journal of Biological Chemistry. 273: 4897-903
Knappe J, Wagner AF. (1995) Glycyl free radical in pyruvate formate-lyase: synthesis, structure characteristics, and involvement in catalysis. Methods in Enzymology. 258: 343-62
Frey M, Rothe M, Wagner AF, et al. (1994) Adenosylmethionine-dependent synthesis of the glycyl radical in pyruvate formate-lyase by abstraction of the glycine C-2 pro-S hydrogen atom. Studies of [2H]glycine-substituted enzyme and peptides homologous to the glycine 734 site. The Journal of Biological Chemistry. 269: 12432-7
Knappe J, Elbert S, Frey M, et al. (1993) Pyruvate formate-lyase mechanism involving the protein-based glycyl radical. Biochemical Society Transactions. 21: 731-4
Kessler D, Herth W, Knappe J. (1992) Ultrastructure and pyruvate formate-lyase radical quenching property of the multienzymic AdhE protein of Escherichia coli. The Journal of Biological Chemistry. 267: 18073-9
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