• 9974 Citations
  • 57 h-Index
1995 …2023
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Research Output 1995 2019

1995
52 Citations (Scopus)

Magnetic exchange coupling in a nearly linear iron(III)nickel(II)nickel(II) iron(III) complex

Krebs, C., Winter, M., Weyhermüller, T., Bill, E., Wieghardt, K. & Chaudhuri, P., Dec 1 1995, In : Journal of the Chemical Society, Chemical Communications. 18, p. 1913-1915 3 p.

Research output: Contribution to journalArticle

Exchange coupling
X ray crystallography
X Ray Crystallography
Nickel
Magnetic susceptibility
1996
89 Citations (Scopus)

Exchange and double-exchange phenomena in linear homo- and heteronuclear nickel(II,III,IV) complexes containing six μ2-phenolato or μ2-thiophenolato bridging ligands

Beissel, T., Birkelbach, F., Bill, E., Glaser, T., Kesting, F., Krebs, C., Weyhermüller, T., Wieghardt, K., Butzlaff, C. & Trautwein, A. X., Dec 1 1996, In : Journal of the American Chemical Society. 118, 49, p. 12376-12390 15 p.

Research output: Contribution to journalArticle

Nickel
Ground state
Ligands
Ions
Isomers
1997
47 Citations (Scopus)

A triangular iron(III) complex potentially relevant to iron(III)-binding sites in ferreascidin

Bill, E., Krebs, C., Winter, M., Gerdan, M., Trautwein, A. X., Flörke, U., Haupt, H. J. & Chaudhuri, P., Jan 1 1997, In : Chemistry - A European Journal. 3, 2, p. 193-201 9 p.

Research output: Contribution to journalArticle

Binding sites
Iron
Binding Sites
Ions
Magnetic susceptibility
51 Citations (Scopus)

Exchange Coupling in an Isostructural Series of Face-Sharing Bioctahedral Complexes [LMII(μ-X)3MIIL]BPh4 M = Mn, Fe, Co, Ni, Zn; X = Cl, Br; L = 1,4,7-Trimethyl-1,4,7-triazacyclononane

Bossek, U., Nühlen, D., Bill, E., Glaser, T., Krebs, C., Weyhermüller, T., Wieghardt, K., Lengen, M. & Trautwein, A. X., Dec 1 1997, In : Inorganic Chemistry. 36, 13, p. 2834-2843 10 p.

Research output: Contribution to journalArticle

Exchange coupling
Magnetic susceptibility
Conformations
Tetraphenylborate
Metal halides
1998
154 Citations (Scopus)

Direct spectroscopic and kinetic evidence for the involvement of a peroxodiferric intermediate during the ferroxidase reaction in fast ferritin mineralization

Pereira, A. S., Small, W., Krebs, C., Tavares, P., Edmondson, D. E., Theil, E. C. & Huynh, B. H., Jul 14 1998, In : Biochemistry. 37, 28, p. 9871-9876 6 p.

Research output: Contribution to journalArticle

Ceruloplasmin
Ferritins
Kinetics
Apoferritins
methane monooxygenase
120 Citations (Scopus)
methane monooxygenase
Ribonucleotide Reductases
Escherichia coli
Methane
Proteins
53 Citations (Scopus)

Generation of a mixed-valent Fe(III)Fe(IV) form of intermediate Q in the reaction cycle of soluble methane monooxygenase, an analog of intermediate X in ribonucleotide reductase R2 assembly [10]

Valentine, A. M., Tavares, P., Pereira, A. S., Davydov, R., Krebs, C., Hoffman, B. M., Edmondson, D. E., Boi Hanh Huynh, H. H. & Lippard, S. J., Mar 11 1998, In : Journal of the American Chemical Society. 120, 9, p. 2190-2191 2 p.

Research output: Contribution to journalLetter

methane monooxygenase
Ribonucleotide Reductases
12 Citations (Scopus)

Spectroscopic characterization of a novel tetranuclear fe cluster in an iron-sulfur protein isolated from Desulfovibrio desulfuricans

Tavares, P., Pereira, A. S., Krebs, C., Ravi, N., Moura, J. J. G., Moura, I. & Huynh, B. H., Mar 3 1998, In : Biochemistry. 37, 9, p. 2830-2842 13 p.

Research output: Contribution to journalArticle

Desulfovibrio desulfuricans
Iron-Sulfur Proteins
Electrons
Oxidation-Reduction
Ligands
1999
39 Citations (Scopus)

A paramagnetic copper(III) complex containing an octahedral Cu(III)S6 coordination polyhedron

Krebs, C., Glaser, T., Bill, E., Weyhermüller, T., Meyer-Klaucke, W. & Wieghardt, K., Feb 1 1999, In : Angewandte Chemie - International Edition. 38, 3, p. 359-361 3 p.

Research output: Contribution to journalArticle

Copper
Ligands
Electrons
Paramagnetic resonance
Metals
8 Citations (Scopus)

Biochemical and spectroscopic characterization of overexpressed fuscoredoxin from Escherichia coli

Pereira, A. S., Tavares, P., Krebs, C., Huynh, B. H., Rusnak, F., Moura, I. & Moura, J. J. G., Jun 24 1999, In : Biochemical and Biophysical Research Communications. 260, 1, p. 209-215 7 p.

Research output: Contribution to journalArticle

Escherichia coli
Iron
Genes
Desulfovibrio
Proteins

Formation of a pterin radical in the reaction of the heme domain of inducible nitric oxide synthase with oxygen

Hurshman, A. R., Krebs, C., Edmondson, D. E., Huynh, B. H. & Marletta, M. A., Nov 30 1999, In : Biochemistry. 38, 48

Research output: Contribution to journalArticle

Pterins
Nitric Oxide Synthase Type II
Heme
Nitric Oxide Synthase
Paramagnetic resonance
204 Citations (Scopus)

Formation of a pterin radical in the reaction of the heme domain of inducible nitric oxide synthase with oxygen

Hurshman, A. R., Krebs, C., Edmondson, D. E., Huynh, B. H. & Marletta, M. A., Nov 30 1999, In : Biochemistry. 38, 48, p. 15689-15696 8 p.

Research output: Contribution to journalArticle

Pterins
Nitric Oxide Synthase Type II
Heme
Oxygen
Paramagnetic resonance
86 Citations (Scopus)

Formation of Fe(III)Fe(IV) species from the reaction between a diiron(II) complex and dioxygen: Relevance to ribonucleotide reductase intermediate X [12]

Lee, D., Du Bois, J., Petasis, D., Hendrich, M. P., Krebs, C., Huynh, B. H. & Lippard, S. J., Oct 27 1999, In : Journal of the American Chemical Society. 121, 42, p. 9893-9894 2 p.

Research output: Contribution to journalLetter

Ribonucleotide Reductases
Oxygen
127 Citations (Scopus)

The ferroxidase reaction of ferritin reveals a diferric μ-1,2 bridging peroxide intermediate in common with other O2-activating non-heme diiron proteins

Moënne-Loccoz, P., Krebs, C., Herlihy, K., Edmondson, D. E., Theil, E. C., Huynh, B. H. & Loehr, T. M., Apr 27 1999, In : Biochemistry. 38, 17, p. 5290-5295 6 p.

Research output: Contribution to journalArticle

Ceruloplasmin
Peroxides
Ferritins
acyl-(acyl-carrier-protein)desaturase
Chromophores
2000
61 Citations (Scopus)

Conversion of 3Fe-4S to 4Fe-4S clusters in native pyruvate formate-lyase activating enzyme: Mössbauer characterization and implications for mechanism

Krebs, C., Henshaw, T. F., Cheek, J., Huynh, B. H. & Broderick, J. B., Dec 20 2000, In : Journal of the American Chemical Society. 122, 50, p. 12497-12506 10 p.

Research output: Contribution to journalArticle

Iron
Enzymes
Sulfur
Dithionite
formate C-acetyltransferase
47 Citations (Scopus)

Highly variable π-bonding in the interaction of iron(II) porphyrinates with nitrite

Nasri, H., Ellison, M. K., Krebs, C., Huynh, B. H. & Scheidt, W. R., Nov 8 2000, In : Journal of the American Chemical Society. 122, 44, p. 10795-10804 10 p.

Research output: Contribution to journalArticle

Porphyrins
Nitrites
Iron
Pyridine
Sulfides
337 Citations (Scopus)

IscU as a scaffold for iron-sulfur cluster biosynthesis: Sequential assembly of [2Fe-2S] and [4Fe-4S] clusters in IscU

Agar, J. N., Krebs, C., Frazzon, J., Huynh, B. H., Dean, D. R. & Johnson, M. K., Jul 11 2000, In : Biochemistry. 39, 27, p. 7856-7862 7 p.

Research output: Contribution to journalArticle

Biosynthesis
Sulfur
Scaffolds
Dimers
Iron
118 Citations (Scopus)

Mechanism of rapid electron transfer during oxygen activation in the R2 subunit of Escherichia coli ribonucleotide reductase. 1. Evidence for a transient tryptophan radical

Baldwin, J., Krebs, C., Ley, B. A., Edmondson, D. E., Huynh, B. H. & Bollinger, Jr., J. M., Dec 13 2000, In : Journal of the American Chemical Society. 122, 49, p. 12195-12206 12 p.

Research output: Contribution to journalArticle

Ribonucleotide Reductases
Tryptophan
Escherichia coli
Chemical activation
Electrons
66 Citations (Scopus)
Ribonucleotide Reductases
Escherichia coli
Chemical activation
Electrons
Oxygen
20 Citations (Scopus)

Mossbauer and EPR characterization of the S = 9/2 mixed-valence Fe(II)Fe(III) cluster in the cryoreduced R2 subunit of Escherichia coli ribonucleotide reductase

Krebs, C., Davydov, R., Baldwin, J., Hoffman, B. M., Bollinger, Jr., J. M. & Huynh, B. H., Jun 7 2000, In : Journal of the American Chemical Society. 122, 22, p. 5327-5336 10 p.

Research output: Contribution to journalArticle

Ribonucleotide Reductases
Escherichia coli
Paramagnetic resonance
Chelation
Electronic properties
89 Citations (Scopus)

Neelaredoxin, an iron-binding protein from the syphilis spirochete, Treponema pallidum, is a superoxide reductase

Jovanović, T., Ascenso, C., Hazlett, K. R. O., Sikkink, R., Krebs, C., Litwiller, R., Benson, L. M., Moura, I., Moura, J. J. G., Radolf, J. D., Huynh, B. H., Naylor, S. & Rusnak, F., Sep 15 2000, In : Journal of Biological Chemistry. 275, 37, p. 28439-28448 10 p.

Research output: Contribution to journalArticle

Iron-Binding Proteins
Treponema pallidum
Spirochaetales
Syphilis
Oxidative stress
65 Citations (Scopus)

Valence-delocalized diiron(II,III) cores supported by carboxylate-only bridging ligands [11]

Lee, D., Krebs, C., Huynh, B. H., Hendrich, M. P. & Lippard, S. J., May 24 2000, In : Journal of the American Chemical Society. 122, 20, p. 5000-5001 2 p.

Research output: Contribution to journalLetter

Ligands
2001
73 Citations (Scopus)

Dioxygen reactivity of mononuclear heme and copper components yielding a high-spin heme-peroxo-Cu complex [3]

Ghiladi, R. A., Hatwell, K. R., Karlin, K. D., Huang, H. W., Moënne-Loccoz, P., Krebs, C., Huynh, B. H., Marzilli, L. A., Cotter, R. J., Kaderli, S. & Zuberbühler, A. D., Oct 3 2001, In : Journal of the American Chemical Society. 123, 25, p. 6183-6184 2 p.

Research output: Contribution to journalLetter

Ferric Compounds
Organometallic Compounds
Magnetic resonance spectroscopy
Molecular Conformation
Molecular Models
188 Citations (Scopus)

IscA, an alternate scaffold for Fe-S cluster biosynthesis

Krebs, C., Agar, J. N., Smith, A. D., Frazzon, J., Dean, D. R., Huynh, B. H. & Johnson, M. K., Nov 20 2001, In : Biochemistry. 40, 46, p. 14069-14080 12 p.

Research output: Contribution to journalArticle

Biosynthesis
Scaffolds
Ions
Protein S
Sulfur
67 Citations (Scopus)

Rational reprogramming of the R2 subunit of Escherichia coli ribonucleotide reductase into a self-hydroxylating monooxygenase

Baldwin, J., Voegtli, W. C., Khidekel, N., Mönne-Loccoz, P., Krebs, C., Pereira, A. S., Ley, B. A., Huynh, B. H., Loehr, T. M., Riggs-Gelasco, P. J., Rosenzweig, A. C. & Bollinger, Jr., J. M., Oct 1 2001, In : Journal of the American Chemical Society. 123, 29, p. 7017-7030 14 p.

Research output: Contribution to journalArticle

Ribonucleotide Reductases
methane monooxygenase
Mixed Function Oxygenases
Hydroxylation
Escherichia coli
2002
104 Citations (Scopus)

Coordination of adenosylmethionine to a unique iron site of the [4Fe-4S] of pyruvate formate-lyase activating enzyme: A Mössbauer spectroscopic study

Krebs, C., Broderick, W. E., Henshaw, T. F., Broderick, J. B. & Huynh, B. H., Feb 12 2002, In : Journal of the American Chemical Society. 124, 6, p. 912-913 2 p.

Research output: Contribution to journalArticle

S-Adenosylmethionine
Iron
Enzymes
Isomers
Catalysis
11 Citations (Scopus)

Demonstration of peroxodiferric intermediate in M-ferritin ferroxidase reaction using rapid freeze-quench mössbauer, resonance raman, and XAS spectroscopies

Krebs, C., Edmondson, D. E. & Huynh, B. H., Jan 1 2002, Methods in Enzymology. Academic Press Inc., p. 436-454 19 p. (Methods in Enzymology; vol. 354).

Research output: Chapter in Book/Report/Conference proceedingChapter

Ceruloplasmin
Ferritins
Demonstrations
Spectroscopy
26 Citations (Scopus)

Exchange coupling constant J of peroxodiferric reaction intermediates determined by Mössbauer spectroscopy

Krebs, C., Bollinger, Jr., J. M., Theil, E. C. & Huynh, B. H., Dec 1 2002, In : Journal of Biological Inorganic Chemistry. 7, 7-8, p. 863-869 7 p.

Research output: Contribution to journalArticle

Reaction intermediates
Exchange coupling
Ferritins
Spectrum Analysis
Spectroscopy
26 Citations (Scopus)

Facile electron transfer during formation of cluster X and kinetic competence of X for tyrosyl radical production in protein R2 of ribonucleotide reductase from mouse

Yun, D., Krebs, C., Gupta, G. P., Iwig, D. F., Huynh, B. H. & Bollinger, J. M., Jan 22 2002, In : Biochemistry. 41, 3, p. 981-990 10 p.

Research output: Contribution to journalArticle

Ribonucleotide Reductases
Mental Competency
Electrons
Oxygen
Escherichia coli
54 Citations (Scopus)

Functional mimic of dioxygen-activating centers in non-heme diiron enzymes: Mechanistic implications of paramagnetic intermediates in the reactions between diiron(II) complexes and dioxygen

Lee, D., Pierce, B., Krebs, C., Hendrich, M. P., Huynh, B. H. & Lippard, S. J., Apr 17 2002, In : Journal of the American Chemical Society. 124, 15, p. 3993-4007 15 p.

Research output: Contribution to journalArticle

Paramagnetic resonance
Enzymes
Oxygen
Benzoates
Biological systems
62 Citations (Scopus)

Stoichiometric production of hydrogen peroxide and parallel formation of ferric multimers through decay of the diferric-peroxo complex, the first detectable intermediate in ferritin mineralization

Jameson, G. N. L., Jin, W., Krebs, C., Perreira, A. S., Tavares, P., Liu, X., Theil, E. C. & Huynh, B. H., Nov 12 2002, In : Biochemistry. 41, 45, p. 13435-13443 9 p.

Research output: Contribution to journalArticle

Ceruloplasmin
Ferritins
Hydrogen Peroxide
Apoferritins
Minerals
2003
48 Citations (Scopus)

Ability of Tetrahydrobiopterin Analogues to Support Catalysis by Inducible Nitric Oxide Synthase: Formation of a Pterin Radical is Required for Enzyme Activity

Hurshman, A. R., Krebs, C., Edmondson, D. E. & Marletta, M. A., Nov 18 2003, In : Biochemistry. 42, 45, p. 13287-13303 17 p.

Research output: Contribution to journalArticle

Pterins
Enzyme activity
Nitric Oxide Synthase Type II
Catalysis
Catalyst supports
280 Citations (Scopus)
Dioxygenases
Hydroxylation
Taurine
Hydrogen
Chemical activation
46 Citations (Scopus)

Ground spin state variation in carboxylate-bridged tetranuclear [Fe2Mn2O2]8+ cores and a comparison with their [Fe4O2]8+ and [Mn4O2]18+ congeners

Chaudhuri, P., Rentschler, E., Birkelbach, F., Krebs, C., Bill, E., Weyhermüller, T. & Flörke, U., Jan 1 2003, In : European Journal of Inorganic Chemistry. 3, p. 541-555 15 p.

Research output: Contribution to journalArticle

Ground state
Acetates
Benzoates
Ions
Ligands
36 Citations (Scopus)

Structural Characterization of the Peroxodiiron(III) Intermediate Generated during Oxygen Activation by the W48A/D84E Variant of Ribonucleotide Reductase Protein R2 from Escherichia coli

Baldwin, J., Krebs, C., Saleh, L., Stelling, M., Huynh, B. H., Bollinger, Jr., J. M. & Riggs-Gelasco, P., Nov 18 2003, In : Biochemistry. 42, 45, p. 13269-13279 11 p.

Research output: Contribution to journalArticle

methane monooxygenase
Ribonucleotide Reductases
Escherichia coli Proteins
Escherichia coli
Chemical activation
456 Citations (Scopus)
Dioxygenases
Taurine
Escherichia coli
Iron
Enzymes
2004
109 Citations (Scopus)

A Role for Iron in an Ancient Carbonic Anhydrase

Tripp, B. C., Bell, C. B., Cruz, F., Krebs, C. & Ferry, J. G., Feb 20 2004, In : Journal of Biological Chemistry. 279, 8, p. 6683-6687 5 p.

Research output: Contribution to journalArticle

Carbonic Anhydrases
Cams
Iron
Enzymes
Methanosarcina
79 Citations (Scopus)

Characterization of the Cofactor Composition of Escherichia coli Biotin Synthase

Cosper, M. M., Jameson, G. N. L., Hernández, H. L., Krebs, C., Huynh, B. H. & Johnson, M. K., Feb 24 2004, In : Biochemistry. 43, 7, p. 2007-2021 15 p.

Research output: Contribution to journalArticle

Pyridoxal Phosphate
Escherichia coli
Cysteine Synthase
Chemical analysis
S-Adenosylmethionine
5 Citations (Scopus)
Dioxygenases
Biochemistry
Escherichia coli
Iron
alpha-ketoglutaric acid
1 Citation (Scopus)

Erratum: A role for iron in an ancient carbonic anhydrase (Journal of Biological Chemistry (2004) 279 (6683-6687)

Tripp, B. C., Bell, C. B., Cruz, F., Krebs, C. & Ferry, J. G., May 14 2004, In : Journal of Biological Chemistry. 279, 20, 1 p.

Research output: Contribution to journalComment/debate

Carbonic Anhydrases
Iron
97 Citations (Scopus)

Escherichia coli lipoyl synthase binds two distinct [4Fe-4S] clusters per polypeptide

Cicchillo, R. M., Lee, K. H., Baleanu-Gogonea, C., Nesbitt, N. M., Krebs, C. & Booker, S. J., Sep 21 2004, In : Biochemistry. 43, 37, p. 11770-11781 12 p.

Research output: Contribution to journalArticle

Escherichia coli
Sulfides
Peptides
S-Adenosylmethionine
Iron
30 Citations (Scopus)

Escherichia coli L-serine deaminase requires a [4Fe-4S] cluster in catalysis

Cicchillo, R. M., Baker, M. A., Schnitzer, E. J., Newman, E. B., Krebs, C. & Booker, S. J., Jul 30 2004, In : Journal of Biological Chemistry. 279, 31, p. 32418-32425 8 p.

Research output: Contribution to journalArticle

L-Serine Dehydratase
Catalysis
Serine
Escherichia coli
Iron
222 Citations (Scopus)

EXAFS spectroscopic evidence for an Fe=O unit in the Fe(IV) intermediate observed during oxygen activation by taurine:α-ketoglutarate dioxygenase

Riggs-Gelasco, P. J., Price, J. C., Guyer, R. B., Brehm, J. H., Barr, E. W., Bollinger, Jr., J. M. & Krebs, C., Jul 7 2004, In : Journal of the American Chemical Society. 126, 26, p. 8108-8109 2 p.

Research output: Contribution to journalArticle

Dioxygenases
Taurine
Iron
X-Ray Absorption Spectroscopy
Chemical activation
31 Citations (Scopus)

Use of a chemical trigger for electron transfer to characterize a precursor to cluster X in assembly of the iron-radical cofactor of Escherichia coli ribonucleotide reductase

Saleh, L., Krebs, C., Ley, B. A., Naik, S., Huynh, B. H. & Bollinger, Jr., J. M., May 25 2004, In : Biochemistry. 43, 20, p. 5953-5964 12 p.

Research output: Contribution to journalArticle

Ribonucleotide Reductases
Escherichia coli
Iron
Skatole
Electrons
2005
30 Citations (Scopus)

Escherichia coli quinolinate synthetase does indeed harbor a [4Fe-4S] cluster

Cicchillo, R. M., Tu, L., Stromberg, J. A., Hoffart, L. M., Krebs, C. & Booker, S. J., May 25 2005, In : Journal of the American Chemical Society. 127, 20, p. 7310-7311 2 p.

Research output: Contribution to journalArticle

Quinolinic Acid
Ports and harbors
Escherichia coli
Acids
Dihydroxyacetone Phosphate
113 Citations (Scopus)

Kinetic dissection of the catalytic mechanism of taurine: α- ketoglutarate dioxygenase (TauD) from Escherichia coli

Price, J. C., Barr, E. W., Hoffart, L. M., Krebs, C. & Bollinger, Jr., J. M., Jun 7 2005, In : Biochemistry. 44, 22, p. 8138-8147 10 p.

Research output: Contribution to journalArticle

Dioxygenases
Dissection
Taurine
Escherichia coli
Kinetics
128 Citations (Scopus)

Mechanism of taurine: α-ketoglutarate dioxygenase (TauD) from Escherichia coli

Bollinger, Jr., J. M., Price, J. C., Hoffart, L. M., Barr, E. W. & Krebs, C., Nov 4 2005, In : European Journal of Inorganic Chemistry. 21, p. 4245-4254 10 p.

Research output: Contribution to journalShort survey

Dioxygenases
Taurine
Escherichia coli
Hydroxylation
Substrates
92 Citations (Scopus)

NifS-mediated assembly of [4Fe-4S] clusters in the N- and C-terminal domains of the NifU Scaffold protein

Smith, A. D., Jameson, G. N. L., Dos Santos, P. C., Agar, J. N., Naik, S., Krebs, C., Frazzon, J., Dean, D. R., Huynh, B. H. & Johnson, M. K., Oct 4 2005, In : Biochemistry. 44, 39, p. 12955-12969 15 p.

Research output: Contribution to journalArticle

Scaffolds
Proteins
Nitrogenase
Protein S
Mutagenesis
98 Citations (Scopus)

Rapid freeze-quench 57Fe Mössbauer spectroscopy: Monitoring changes of an iron-containing active site during a biochemical reaction

Krebs, C., Price, J. C., Baldwin, J., Saleh, L., Green, M. T. & Bollinger, Jr., J. M., Feb 21 2005, In : Inorganic chemistry. 44, 4, p. 742-757 16 p.

Research output: Contribution to journalReview article

Iron
Spectroscopy
iron
Monitoring
spectroscopy
2006
38 Citations (Scopus)

A coupled dinuclear iron cluster that is perturbed by substrate binding in myo-inositol oxygenase

Xing, G., Hoffart, L. M., Diao, Y., Prabhu, K. S., Arner, R. J., Reddy, C. C., Krebs, C. & Bollinger, Jr., J. M., May 2 2006, In : Biochemistry. 45, 17, p. 5393-5401 9 p.

Research output: Contribution to journalArticle

Inositol Oxygenase
Inositol
acyl-(acyl-carrier-protein)desaturase
Iron
methane monooxygenase