| 1985 | 1986 | 1987 | 1988 | 1989 | |||||
| 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 |
| 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
| 2010 |
Publications 2009 :
Merkens H, Kappl R, Jakob RP, Schmid FX, Fetzner S
Quercetinase QueD of Streptomyces sp FLA, a Monocupin Dioxygenase with a Preference for Nickel and Cobalt.
Biochemistry. 2008 Nov 12;47(46):12185-12196.
Kappl R, Eltis LD, Caspersen MB, Christensen HEM, Hüttermann J.
Site-specific oxidation of the [Fe4S4] cubanes in high-potential iron sulfur proteins as probed by EPR and orientation-selective proton ENDOR spectroscopy: Ectothiorhodospira halophila I versus Rhodocyclus tenuis.
Applied Magnetic Resonance. 2007;31(3-4):483-507.
Collnot EM, Baldes C, Wempe MF, Kappl R, Hüttermann J, Hyatt JA, Edgar KJ, Schäfer UF, Lehr CM.
Mechanism of inhibition of P-glycoprotein mediated efflux by vitamin E TPGS: Influence on ATPase activity and membrane fluidity.
Molecular Pharmaceutics. 2007 May-Jun;4(3):465-474.
Kappl R, Ebelshäuser M, Hannemann F, Berhardt R, Hüttermann J
Probing electronic and structural properties of the reduced [2Fe-2S] cluster by orientation-selective H-1 ENDOR spectroscopy: Adrenodoxin versus Rieske iron-sulfur protein.
Applied Magnetic Resonance. 2006;30(3-4):427-459.
Kappl R, Sielker S, Ranguelova K, Wegner J, .Parschat K, Hüttermann J, Fetzner S
Spectroscopic and biochemical studies on protein variants of quinaldine 4-oxidase: Role of E736 in catalysis and effects of serine ligands on the FeSI and FeSII clusters.
Biochemistry. 2006 Dec 12;45(49):14853-14868.
Kappl R, Ranguelova K, Koch B, Duboc C, Hüttermann J.
Multi-frequency high-field EPR studies on metal-substituted xylose isomerase.
Magnetic Resonance in Chemistry. 2005 Nov;43(Sp. Iss. SI):S65-S73.
Frerichs-Deeken U, Ranguelova K, Kappl R, Hüttermann J, Fetzner S.
Dioxygenases without requirement for cofactors and their chemical model reaction:Compulsory order ternary complex mechanism of 1H-3-hydroxy-4-oxoquinaldine 2,4-dioxygenase involving general base catalysis by histidine 251 and single-electron oxidation of the substrate dianion.
Biochemistry. 2004 Nov 16;43(45):14485-14499.
Parschat K, Hauer B, Kappl R, Kraft R, Hüttermann J, Fetzner S.
Gene cluster of Arthrobacter ilicis Ru61a involved in the degradation of quinaldine to anthranilate.
Journal of Biological Chemistry. 2003 Jul 25;278(30):27483-27494.
Frerichs-Deeken U, Goldenstedt B, Gahl-Jannsen R, Kappl R, Hüttermann J, Fetzner S.
Functional expression of the quinoline 2-oxidoreductase genes (qorMSL) in Pseudomonas putida KT2440 pUF1 and in P-putida 86-1 Delta qor pUF1 and analysis of the Qor proteins.
European Journal of Biochemistry. 2003 Apr;270(7):1567-1577.
Kappl R, Hüttermann J, Fetzner S.
The molybdenum-containing hydroxylases of quinoline, isoquinoline, and qualdine.
Molybdenum and Tungsten: Their roles in biological processes. 2002;39:481-537.
Kunz T, Stephan A, Methner FJ, Kappl R, Hüttermann J.
Fundamentals on electron spin resonance spectroscopy (ESR) and research about the correlation between oxidative beer stability and sulphite content.
Monatsschrift für Brauwissenschaft. 2002 Aug;55(7-8):140-153.
Müller A, Tscherny I, Kappl R, Hatchikian EC, Hüttermann J, Cammack R.
Hydrogenases in the "active" state: determination of g-matrix axes and electron spin distribution at the active site by H-1 ENDOR pectroscopy.
Journal of Biological Inorganic Chemistry. 2002 Jan;7(1-2):177-194.
Mai C, Schormann W, Hüttermann A, Kappl R, Hüttermann J.
The influence of laccase on the chemo-enzymatic synthesis of lignin graft-copolymers.
Enzyme and Microbial Technology. 2002 Jan 8;30(1):66-72.
Schmidt PP, Kappl R, Hüttermann J.
On the mode of hexacoordinated NO-Binding to myo- and hemoglobin: Variable-temperature EPR studies at multiple microwave frequencies.
Applied Magnetic Resonance. 2001;21(3-4):423-440.
Hüttermann J, Kappl R.
Characterization of structural, dynamic and electronic properties of metal centers in proteins by high-resolution EPR techniques: iron sulfur proteins.
Journal of Inorganic Biochemistry. 2001 Aug;86(1):273-273.
Parschat K, Canne C, Kappl R, Hüttermann J, Fetzner S.
Xanthine dehydrogenase from Pseudomonas putida 86: specificity, oxidation-reduction potentials of its redoxe-active centers, and first EPR characterization.
Biochimica et Biophysica Acta - Protein Structure and Molecular Enzymology. 2001 Jan 12;1544(1-2):151-165.
Publications 2000 :
Bogumil, Kappl R, Hüttermann J.
Role of the binuclear manganese(II) site in xylose isomerase.
Metal Ions in Biological Systems. 2000;37:365-405.
Canne C, Ebelshäuser M, Gay E, Shergill JK, Cammack R, Kappl R, Hüttermann J.
Probing magnetic properties of the reduced [Fe2-S2] cluster of the ferrodoxin from Arthrospira platensis by H-1 ENDOR spectroscopy.
Journal of Biological Inorganic Chemistry. 2000 Aug;5(4):514-526.
Canne C, Lowe DJ, Fetner S, Adams B, Smith AT, Kappl R, Bray RC, Hüttermann J.
Kinetics and interactions of molybdenum and iron-sulfur centers in bacterial enzymes of the xanthine oxidase family: Mechanistic implications.
Biochemistry. 1999 Oct 19;38(42):14077-14087.
Hund HK, Breuer J, Lingens F, Hüttermann J, Kappl R, Fetzner S.
Flavonol 2,4-dioxygenase from Aspergillus niger DSM 821, a type 2 Cu-II-containing glycoprotein.
European Jornal of Biochemistry. 1999 Aug;263(3):871-878.
Gay E, Kappl R, Canne C, Hüttermann J, Chatelet C, Meyer J, Shergill J, Cammack R.
Proton ENDOR studies of the majoe classes of [Fe2S2] proteins.
Journal of Inorganic Biochemistry. 1999 Apr;74(1-4):137-137.
Müller A, Hatchikian EC, Hüttermann J, Kappl R, Cammack R
Hydrogen interaction with the active site of a [NiFe] hydrogenase studied by ENDOR techniques.
Journal of Inorganic Biochemistry. 1999 Apr 30;74(1-4):240.
Durmus A, Eicken C, Sift BH, Kratel A, Kappl R, Hüttermann J, Krebs B.
The active site of purple acid phosphatase of sweet potatoes (lpomoea batatas) - Metal content ans spectroscopic characterization.
European Jornal of Biochemistry. 1999 Mar;260(3):709-716.
Kappl R, Ciurli S, Luchinat C, Hüttermann J.
Probing structural and electronic properties of the oxidized [Fe4S4](3+) cluster of Ectothiorhodospira halophila iso-II high-potential iron-sulfur protein by ENDOR spectroscopy.
Journal Of The American Chemical Society. 1999 Mar 10;121(9):1925-1935.
Griepenburg U, Blasczyk K, Kappl R, Hüttermann J, Auling G.
A divalent metal site in the small subunit of the manganese-dependent ribonucleotide reductase of Corynebacterium ammoniagenes.
Biochemistry. 1998 Jun 2;37(22):7992-7996.
Fetzner S, Tshisuaka B, Lingens F, Kappl R, Hüttermann J.
Bacterial degradation of quinoline and derivatives - Pathways and their biocatalysts.
Angewandte Chemie - International Edition. 1998 Mar 16;37(5):576-597.
Neese F, Kappl R, Hüttermann J, Zumft WG, Kroneck PMH.
Probing the ground state of the purple mixed valance Cu-A center in nitrous oxide reductase: a CW ENDOR (X-band) study of the Cu-65, N-15-histidine labeled enzyme and interpretation of hyperfine couplings by molecular orbital calculations.
Journal of Biological Inorganic Chemistry. 1998 Feb;3(1):53-67.
Kulzer R, Pils T, Kappl R, Hüttermann J, Knappe J.
Reconstitution and characterization of the polynuclear iron-sulfur cluster in pyruvate formate-lyase-activating enzyme - Molecular properties of the holoenzyme form.
Journal of Biological Chemistry. 1998 Feb 27;273(9):4897-4903.
Canne C, Stephan I, Finsterbusch J, Lingens F, Kappl R, Fetzner S, Hüttermann J.
Comparative EPR and redox studies of three prokaryotic enzymes of the xanthine oxidase family: Quinoline 2-oxireductase, quinaldine 4-oxidase, and isoquinoline 1-oxidoreductase.
Biochemistry. 1997 Aug 12;36(32):9780-9790.
Bogumil R, Kappl R, Hüttermann J, Witzel H.
Electron paramagnetic resonance of D-xylose isomerase : Evidence for metal ion movement induced by binding of cyclic substrates and inhibitors.
Biochemistry. 1997 Mar 4;36(9):2345-2352.
Iakovleva O, Parak F, Rimke T, Meier B, Hüttermann J, Kapp R.
The active center of superoxide dismutase from propionibacterium shermanii.
Nuovo Cimento della Societa Italiana di Fiscia d-condensated matter atomic molecular and chemical physics fluids plasmas biophysics. 1996 Feb-Mar;18(2-3):199-212.
Iakovleva O, Parak F, Rimke T, Meier B, Hüttermann J, Kappl R.
An interpretation of EPR-spectra of azide ligated superoxide-dismutase from propionibacterium - shermanii.
European Biophysics Journal. 1995 Oct;24(2):65-68.
Hüttermann J, Burgard C, Kappl R.
Proton-ENDOR from randomly orientated NO-ligated hemoglobin - approaching the structural basis for the R-T transition.
Journal of the Chemical Society - Faraday Transactions. 1994 Oct 21;90(20):3077-3087.
Reinhard H, Kappl R, Hüttermann J, Viezzoli MS.
ENDOR of superoxide-dismutase-structure determination of the copper site from randomly orientated specimen.
Journal Of Physical Chemistry. 1994 Sep 1;98(35):8806-8812.
Büchler JW, Eberle M, Hammerschmitt P, Hüttermann J, Kappl R.
Metal complexes with tetrapyrrol ligands. 65. Generation and ESR-spectra of the cation radicals of bis(octaethylporphyrinato)zirconium(IV) and bis (chelate)(octaethylporphyrinato)zirconium(IV) complexes.
Chemische Berichte. 1993 Dec;126(12):2619-2623.
Tshisuaka B, Kappl R, Hüttermann J, Lingens F.
Quinoline oxidoreductase from pseudomonas-putida-86 - an improved purification procedure and electron-paramegnetic-spectroscopy.
Biochemistry. 1993 Nov 30;32(47):12928-12934.
Bogumil R, Kappl R, Hüttermann J, Sudfeldt C, Witzel H.
X-Band and Q-Band EPR studies on the 2 Mn-2+-substituted metal-binding sites of D-xylose isomerase.
European Journal of Biochemistry. 1993 May 1;213(3):1185-1192.
Davydov R, Kappl R, Hüttermann J, Peterson JA.
EPR-spectroscopy of reduced oxyferrous-P450cam.
FEBS Letters. 1991 Dec 16;295(1-3):113-115.
Korner M, Suerbaum H, Witzel H, Kappl R, Hüttermann J.
The binding of tetrahedral oxoanions to the activ-center of the violet phosphatase from red kidney beans as investigated by uv vis-spectroscopy and esr-spectroscopy.
Biological Chemistry Hoppe-Seyler. 1991 Sep;372(9):694.
Bogumil R, Hüttermann J, Kappl R, Stabler R, Sudfeldt C, Witzel H.
Visible EPR and Electron Nuclear Double-Resonance spectroscopic studies on the 2metal-binding sites of oxovanadium (IV)-substituted D-Xylose isomerase.
European Journal of Biochemistry. 1991 Mar 4;196(2):305-312.
Kappl R, Hüttermann J.
An ENDOR study of nitrosyl myoglobin single-crystals.
Israel Journal Of Chemistry. 1989;29(1):73-84.
Hüttermann J, Kappl R, Banci L; Bertini I.
An ENDOR study of human and bovine erythrocyte superoxide dismutase: 1H and 14N interactions.
Biochimica et Biophysica Acta. 1988 Sep 21;956(2):173-188.
Banci L, Bertini I, Hüttermann J, Kappl R.
H-1 and N-14 ENDOR of erythrocyte superoxide-dismutase derivatives.
Recueil des Travaux Chimiques des Pays-Bas-Journal of the Royal Netherlands Chemical Society. 1987, Jun-Jul;106(6-7):361.
Hüttermann J, Kappl R.
ENDOR - Probing the coordination environment in metalloproteins.
Metal Ions in Biological Systems. 1987;22:1-80.
Kappl R, Hohnberlage M, Hüttermann J, Bartlett N, Symons MCR.
Electron-Spin and Electron Nuclear Double-Resonance of the [FeO2]-center from irradiated oxyhemoglobin and oxymyoglobin.
Biochimica et Biophysica Acta. 1985;827(3):327-343.