F. Ann Walker
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American chemist
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Chemistry
F. Ann Walker's Degrees
- Bachelors Chemistry University of California, Berkeley
- PhD Chemistry Stanford University
Why Is F. Ann Walker Influential?
(Suggest an Edit or Addition)According to Wikipedia, Frances Ann Walker was an American chemist known for her work on heme protein chemistry. She was an elected fellow of the American Association for the Advancement of Science and the American Chemical Society.
F. Ann Walker's Published Works
Published Works
- Reversible binding of nitric oxide by a salivary heme protein from a bloodsucking insect. (1993) (287)
- Magnetic spectroscopic (EPR, ESEEM, Mössbauer, MCD and NMR) studies of low-spin ferriheme centers and their corresponding heme proteins (1999) (222)
- Electron spin resonance study of coordination to the fifth and sixth positions of .alpha.,.beta.,.gamma.,.delta.-tetra(p-methoxyphenyl)porphinatocobalt(II) (1970) (197)
- Models of the cytochromes b. Effect of axial ligand plane orientation on the EPR and Moessbauer spectra of low-spin ferrihemes (1986) (188)
- Electron transfer by diflavin reductases. (2004) (187)
- Models of the bis-histidine-ligated electron-transferring cytochromes. Comparative geometric and electronic structure of low-spin ferro- and ferrihemes. (2004) (162)
- Letter: Intravenous feeding. (1974) (142)
- Crystal structures of a nitric oxide transport protein from a blood-sucking insect (1998) (141)
- High affinity histamine-binding and antihistaminic activity of the salivary nitric oxide-carrying heme protein (nitrophorin) of Rhodnius prolixus (1994) (139)
- Electronic effects in transition metal porphyrins. 2. The sensitivity of redox and ligand addition reactions in para-substituted tetraphenylporphyrin complexes of cobalt (II). (1976) (137)
- Proton magnetic resonance investigation of antiferromagnetic oxo-bridged ferric dimers and related high-spin monomeric ferric complexes (1973) (136)
- Heme-assisted S-nitrosation of a proximal thiolate in a nitric oxide transport protein. (2005) (127)
- Electronic effects in transition metal porphyrins. The reactions of imidazoles and pyridines with a series of para-substituted tetraphenylporphyrin complexes of chloroiron(III). (1976) (124)
- Ligand-induced heme ruffling and bent no geometry in ultra-high-resolution structures of nitrophorin 4. (2001) (123)
- Steric and electronic effects in the coordination of amines to a cobalt(II) porphyrin. (1973) (123)
- Nitric Oxide Binding to the Ferri- and Ferroheme States of Nitrophorin 1, a Reversible NO-Binding Heme Protein from the Saliva of the Blood-Sucking Insect, Rhodnius prolixus (1999) (121)
- Nitric oxide interaction with insect nitrophorins and thoughts on the electron configuration of the {FeNO}6 complex. (2005) (117)
- Fe L-edge X-ray absorption spectroscopy of low-spin heme relative to non-heme Fe complexes: delocalization of Fe d-electrons into the porphyrin ligand. (2007) (112)
- Kinetics and equilibria in ligand binding by nitrophorins 1-4: evidence for stabilization of a nitric oxide-ferriheme complex through a ligand-induced conformational trap. (2000) (110)
- De novo design and molecular assembly of a transmembrane diporphyrin-binding protein complex. (2010) (105)
- Solution NMR studies of iron(II) spin-crossover complexes. (2007) (96)
- Models of the cytochromes b. 5. EPR studies of low-spin iron(III) tetraphenylporphyrins (1984) (95)
- Axial Ligand Orientation in Iron(III) Porphyrinates: Effect of Axial .pi.-Acceptors. Characterization of the Low-Spin Complex [Fe(TPP)(4-CNPy)2]ClO4 (1994) (93)
- Models of the Cytochromes b. Control of Axial Ligand Orientation with a "Hindered" Porphyrin System (1991) (92)
- A Heme-binding Protein from Hemolymph and Oocytes of the Blood-sucking Insect, Rhodnius prolixus (1995) (90)
- Spectral properties of mixed-ligand copper(II) complexes and their corresponding binary parent complexes (1972) (89)
- The effect of axial ligand plane orientation on the contact and pseudocontact shifts of low-spin ferriheme proteins (1998) (89)
- Models of the cytochromes b. Low-spin bis-ligated (porphinato)iron(III) complexes with unusual molecular structures and NMR, EPR, and Moessbauer spectra (1992) (88)
- Reactions of monomeric cobalt-oxygen complexes. I. Thermodynamics of reaction of molecular oxygen with five- and six-coordinate amine complexes of a cobalt porphyrin. (1973) (87)
- Is the corrolate macrocycle innocent or noninnocent? Magnetic susceptibility, Mössbauer, 1H NMR, and DFT investigations of chloro- and phenyliron corrolates. (2002) (85)
- Spectroscopic study of 1:1 copper(II) complexes with Schiff base ligands derived from salicylaldehyde and L-histidine and its analogs (1983) (80)
- Electronic effects in transition metal porphyrins. I. Reaction of piperidine with a series of para- and meta-substituted nickel(II) and vanadium(IV) tetraphenylporphyrins (1975) (79)
- Leghemoglobin green derivatives with nitrated hemes evidence production of highly reactive nitrogen species during aging of legume nodules (2012) (77)
- A salivary nitrophorin (nitric-oxide-carrying hemoprotein) in the bedbug Cimex lectularius. (1995) (76)
- Effect of heme orientation on the reduction potential of cytochrome b5. (1988) (73)
- 2 – Nuclear Magnetic Resonance of Paramagnetic Metalloporphyrins (1979) (69)
- Co- and Counterrotation of Magnetic Axes and Axial Ligands in Low-Spin Ferriheme Systems (1998) (69)
- Heme methyl 1H chemical shifts as structural parameters in some low-spin ferriheme proteins (1999) (68)
- Molecular Cloning, Overexpression in Escherichia coli, Structural and Functional Characterization of House Fly Cytochrome b5* (1996) (67)
- Iron corrolates: unambiguous chloroiron(III) (corrolate)(2-.) pi-cation radicals. (2006) (66)
- π-Acid Ligands in Iron(III) Porphyrinates. Characterization of Low-Spin Bis(tert-butylisocyanide)(porphyrinato)iron(III) Complexes Having (dxz,dyz)4(dxy)1 Ground States (1996) (66)
- Electrochemical and NMR spectroscopic studies of distal pocket mutants of nitrophorin 2: Stability, structure, and dynamics of axial ligand complexes (2003) (64)
- Pulsed EPR and NMR spectroscopy of paramagnetic iron porphyrinates and related iron macrocycles: how to understand patterns of spin delocalization and recognize macrocycle radicals. (2003) (63)
- ESR studies of Co(II) tetraphenylporphyrins and their oxygen adducts: Complex formation with aromatic molecules and sterically hindered lewis bases (1974) (59)
- Synthesis, spectroscopic, and structural studies of extremely short chain basket handle porphyrins and their zinc(II) complexes (1987) (59)
- Fe L- and K-edge XAS of low-spin ferric corrole: bonding and reactivity relative to low-spin ferric porphyrin. (2009) (59)
- P450 reductase and cytochrome b5 interactions with cytochrome P450: effects on house fly CYP6A1 catalysis. (2008) (58)
- Proton nuclear magnetic resonance and electron spin resonance investigation of the electronic structure and magnetic properties of synthetic low-spin ferric porphyrins. (1973) (58)
- Resonance Raman spectroscopic study of nitrophorin 1, a nitric oxide-binding heme protein from Rhodnius prolixus, and its nitrosyl and cyano adducts. (2001) (57)
- Models of the Cytochromes. Redox Properties and Thermodynamic Stabilities of Complexes of “Hindered” Iron(III) and Iron(II) Tetraphenylporphyrinates with Substituted Pyridines and Imidazoles (1996) (57)
- Drosophila melanogaster CYP6A8, an insect P450 that catalyzes lauric acid (ω-1)-hydroxylation (2004) (56)
- Thermodynamics of Coordination to an Unsolvated Position in Vanadyl Acetylacetonate (1965) (56)
- Nitric oxide interaction with insect nitrophorins and thoughts on the electron configuration of the {FeNO}6 complex. (2005) (54)
- Gene synthesis, bacterial expression, and 1H NMR spectroscopic studies of the rat outer mitochondrial membrane cytochrome b5. (1992) (52)
- Proton nuclear magnetic resonance and electron spin resonance investigation of axial solvation in planar, low-spin cobalt(II) porphyrin complexes. (1973) (50)
- Oxidation and loss of heme in soluble guanylyl cyclase from Manduca sexta. (2011) (50)
- ESR Studies of Coordination to the Sixth Position of Vanadyl Acetylacetonate (1966) (50)
- MODELS OF THE CYTOCHROMES. AXIAL LIGAND ORIENTATION AND COMPLEX STABILITY IN IRON(II) PORPHYRINATES : THE CASE OF THE NONINTERACTING DPI ORBITALS (1997) (50)
- Proton nuclear magnetic resonance line widths and spin relaxation in paramagnetic metalloporphyrins of chromium(3), manganese(3), and iron(3). (1973) (49)
- NMR and EPR investigations of iron corrolates: iron(III) corrolate pi cation radicals or iron(IV) corrolates? (2000) (48)
- Structural, Magnetic, and Dynamic Characterization of the (dxz,dyz)4(dxy)1 Ground-State Low-Spin Iron(III) Tetraphenylporphyrinate Complex [(p-TTP)Fe(2,6-XylylNC)2]CF3SO3 (2000) (48)
- Models of the low-spin iron(III) hydroperoxide intermediate of heme oxygenase: magnetic resonance evidence for thermodynamic stabilization of the d(xy) electronic state at ambient temperatures. (2002) (48)
- Models of cytochromes b. Attempts to control axial ligand orientation with a "hindered" porphyrin system (1991) (44)
- Analysis of the Temperature Dependence of the 1H Contact Shifts in Low-Spin Fe(III) Model Hemes and Heme Proteins: Explanation of "Curie" and "Anti-Curie" Behavior within the Same Molecule (1995) (43)
- Cation-promoted cyclic voltammetry of recombinant rat outer mitochondrial membrane cytochrome b5 at a gold electrode modified with beta-mercaptopropionic acid. (1994) (43)
- Axial ligand complexes of the Rhodnius nitrophorins: reduction potentials, binding constants, EPR spectra, and structures of the 4-iodopyrazole and imidazole complexes of NP4 (2004) (43)
- Spectroscopic and functional characterization of nitrophorin 7 from the blood-feeding insect Rhodnius prolixus reveals an important role of its isoform-specific N-terminus for proper protein function. (2007) (43)
- ELECTRONIC EFFECTS IN TRANSITION METAL PORPHYRINS. THE REACTIONS OF IMIDAZOLES AND PYRIDINES WITH A SERIES OF PARA‐SUBSTITUTED TETRAPHENYLPORPHYRIN COMPLEXES OF CHLOROIRON(III) (1976) (42)
- Analysis of the Temperature Dependence of the 1H and 13C Isotropic Shifts of Horse Heart Ferricytochrome c: Explanation of Curie and Anti-Curie Temperature Dependence and Nonlinear Pseudocontact Shifts in a Common Two-Level Framework (1998) (42)
- Low-spin ferriheme models of the cytochromes: correlation of molecular structure with EPR spectral type. (2003) (41)
- Proton nuclear magnetic resonance studies of high-spin manganese(III) complexes with synthetic porphyrins. (1975) (40)
- Molecular structures and magnetic resonance spectroscopic investigations of highly distorted six-coordinate low-spin iron(III) porphyrinate complexes. (2001) (40)
- Structural, NMR, and EPR studies of S = (1)/(2) and S = (3)/(2) Fe(III) bis(4-cyanopyridine) complexes of dodecasubstituted porphyrins. (2004) (40)
- Laser flash photolysis studies of electron transfer to the cytochrome b5-cytochrome c complex. (1993) (40)
- Influence of heme vinyl- and carboxylate-protein contacts on structure and redox properties of bovine cytochrome b5 (1991) (38)
- Entropy, enthalpy, and side arm porphyrins. 1. Thermodynamics of axial ligand competition between 3-picoline and a series of 3-pyridyl ligands covalently attached to zinc tetraphenylporphyrin (1980) (38)
- pH-dependent mechanism of nitric oxide release in nitrophorins 2 and 4. (2009) (38)
- Effect of the N-terminus on heme cavity structure, ligand equilibrium, rate constants, and reduction potentials of nitrophorin 2 from Rhodnius prolixus. (2007) (37)
- Assignment of the ferriheme resonances of the low-spin complexes of nitrophorins 1 and 4 by (1)H and (13)C NMR spectroscopy: comparison to structural data obtained from X-ray crystallography. (2007) (37)
- Low-Temperature MCD Studies of Low-Spin Ferric Complexes of Tetramesitylporphyrinate: Evidence for the Novel (dxz,dyz) 4(dxy)1 Ground State Which Models the Spectroscopic Properties of Heme d (1996) (36)
- Bis-histidine-coordinated hemes in four-helix bundles: how the geometry of the bundle controls the axial imidazole plane orientations in transmembrane cytochromes of mitochondrial Complexes II and III and related proteins (2008) (36)
- Overexpression in Escherichia coli and functional reconstitution of the liposome binding ferriheme protein nitrophorin 7 from the bloodsucking bug Rhodnius prolixus. (2007) (35)
- Biosynthetic preparation of isotopically labeled heme. (1995) (34)
- Assignment of heme resonances and determination of the electronic structures of high- and low-spin nitrophorin 2 by 1H and 13C NMR spectroscopy: an explanation of the order of heme methyl resonances in high-spin ferriheme proteins. (2003) (34)
- NMR and structural investigations of a nonplanar iron corrolate: modified patterns of spin delocalization and coupling in a slightly saddled chloroiron(III) corrolate radical. (2005) (34)
- Models for compounds I of peroxidases: axial ligand effects (1983) (34)
- Two- and four-pulse ESEEM studies of the heme binding center of a low-spin ferriheme protein: the importance of a multi-frequency approach (1999) (34)
- 1H NMR study of the solution molecular and electronic structure of Escherichia coli ferricytochrome b562: evidence for S = 1/2 in equilibrium S = 5/2 spin equilibrium for intact His/Met ligation. (1991) (33)
- NUCLEAR MAGNETIC RESONANCE STUDIES OF FERRIC PORPHYRINS * (1973) (33)
- Two Crystalline Forms of Low-Spin [Fe(TMP)(5-MeHIm)2]ClO4. Relative Parallel and Perpendicular Axial Ligand Orientations (1999) (33)
- Dynamics of axial ligation in metalloporphyrins. I. Imidazole exchange in low-spin ferric porphyrins. (1972) (33)
- Reactions of bis(nitro)(.alpha.,.alpha.,.alpha.,.alpha.-tetrakis(o-pivalamidophenyl)porphinato)ferrate(III) with pyridine and imidazole. EPR and Moessbauer spectra and molecular structures of the mixed-ligand species (1991) (32)
- Electronic effects in transition-metal porphyrins. 6. The effect of unsymmetrical phenyl substitution on the formation constants of a series of (tetraphenylporphinato)iron(III)-bis(N-methylimidazole) complexes (1985) (32)
- Effect of mutation of carboxyl side-chain amino acids near the heme on the midpoint potentials and ligand binding constants of nitrophorin 2 and its NO, histamine, and imidazole complexes. (2009) (31)
- Linear relation between substituted pyridine lone pair vertical ionization potentials and pKa (1974) (31)
- Electronic effects in transition-metal porphyrins. 4. Effect of unsymmetrical phenyl substitution on the NMR spectra of a series of metal-free and zinc tetraphenylporphyrins (1982) (31)
- Models of the cytochromes: crystal structures and EPR spectral characterization of low-spin bis-imidazole complexes of (OETPP)Fe(III) having intermediate ligand plane dihedral angles. (2006) (30)
- Scanning chimeragenesis: the approach used to change the substrate selectivity of fatty acid monooxygenase CYP102A1 to that of terpene ω-hydroxylase CYP4C7 (2010) (30)
- Models of the cytochromes b. 8. Two-dimensional nuclear Overhauser and exchange spectroscopy studies of paramagnetic "cavity" type (tetraphenylporphinato)iron(III) complexes of planar ligands (1991) (30)
- The effect of mutation of F87 on the properties of CYP102A1-CYP4C7 chimeras: altered regiospecificity and substrate selectivity (2008) (29)
- EPR evidence for hydrogen bond donation to the terminal oxygen of cobalt-oxygen model compounds and cobalt oxymyoglobin (1985) (28)
- Models of the cytochromes b. 4. Effects of axial ligand plane orientation on the proton NMR spectra of symmetrically substituted low-spin iron(III) porphyrins (1983) (28)
- Electronic structure, porphyrin core distortion and fluxional behavior of bis-ligated low-spin iron(II) porphyrinates (1997) (27)
- The heme environment of mouse neuroglobin: histidine imidazole plane orientations obtained from solution NMR and EPR spectroscopy as compared with X-ray crystallography (2006) (25)
- Models of the Membrane-Bound Cytochromes: Mössbauer Spectra of Crystalline Low-Spin Ferriheme Complexes Having Axial Ligand Plane Dihedral Angles Ranging from 0° to 90° (2006) (25)
- 1H and 13C NMR spectroscopic studies of the ferriheme resonances of three low-spin complexes of wild-type nitrophorin 2 and nitrophorin 2(V24E) as a function of pH (2009) (24)
- Proton NMR Spectroscopy of Model Hemes (1993) (24)
- Chimeragenesis of the fatty acid binding site of cytochrome P450BM3. Replacement of residues 73-84 with the homologous residues from the insect cytochrome P450 CYP4C7. (2004) (24)
- Proton NMR and ESR Spectroscopy of Paramagnetic Metalloporphyrins (2003) (23)
- The nitric oxide-releasing heme proteins from the saliva of the blood-sucking insect Rhodnius prolixus (2000) (23)
- Drosophila melanogaster CYP6A8, an insect P450 that catalyzes lauric acid (omega-1)-hydroxylation. (2004) (22)
- Iron Porphyrin Chemistry (2011) (22)
- NMR and EPR spectroscopic and structural studies of low-spin, (d(xz),d(y)(z))(4)(d(x)(y))(1) ground state Fe(III) bis-tert-butylisocyanide complexes of dodecasubstituted porphyrins. (2004) (21)
- Models of the cytochromes b. 1. Effect of substituents, axial ligand plane orientation, and possible axial ligand bond strain on the pyrrole proton shifts of a series of low-spin monosubstituted tetraphenylporphinatoiron(III)-bisimidazole complexes (1980) (21)
- Metalloporphyrin .pi.-Cation Radicals. Molecular Structure and Spin Coupling in a Vanadyl Octaethylporphyrinate Derivative. An Unexpected Spin Coupling Path (1994) (21)
- Chloroiron meso-triphenylcorrolates: electronic ground state and spin delocalization (2002) (21)
- Electronic effects in transition metal porphyrins. 5. Thermodynamics of axial ligand addition and spectroscopic trends of a series of symmetrical and unsymmetrical derivatives of tetraphenylporphinatozinc(II) (1984) (21)
- Electronic Effects in Transition Metal Porphyrins. 9. Effect of Phenyl Ortho Substituents on the Spectroscopic and Redox Properties and Axial Ligand Binding Constants of Iron(III) Tetraphenylporphyrinates (1998) (20)
- An NMR investigation of the atropisomers of -o-tolylporphinatonickel (II) (1971) (20)
- Electronic effects in transition metal porphyrins. 10. Effect of ortho substituents on the temperature dependence of the NMR spectra of a series of spin-admixed perchloratoiron(III) tetrakis(2,6- or 2,4,6-phenyl substituted)porphyrinates. (2000) (20)
- Electronic Effects in Transition Metal Porphyrins. 8. The Effect of Porphyrin Substituents, Axial Ligands, "Steric Crowding", Solvent, and Temperature on the 57Fe Chemical Shifts of a Series of Model Heme Complexes (1995) (19)
- Substituent Effects on the Choice of the Orbital Preferred for Electron Spin Delocalization in Two Paramagnetic Low-Spin Iron(III) Porphyrins: Mapping the Spin Density Distribution at the Pyrrole Positions by 1H COSY and NOESY Techniques (1994) (19)
- Assignment of Ferriheme Resonances for High- and Low-Spin Forms of Nitrophorin 3 by H and C NMR Spectroscopy and Comparison to Nitrophorin 2: Heme Pocket Structural Similarities and Differences. (2008) (19)
- Observation of cis- and trans-bis(2,2'-bipyridyl)copper(II) by electron spin resonance (1972) (19)
- Nuclear inelastic scattering and Mössbauer spectroscopy as local probes for ligand binding modes and electronic properties in proteins: vibrational behavior of a ferriheme center inside a β-barrel protein. (2012) (18)
- Assignment of the ferriheme resonances of high- and low-spin forms of the symmetrical hemin-reconstituted nitrophorins 1–4 by 1H and 13C NMR spectroscopy: the dynamics of heme ruffling deformations (2008) (17)
- Structure and stereochemistry of products of hydroxylation of human steroid hormones by a housefly cytochrome P450 (CYP6A1) (2006) (17)
- Characterization of the copper(II) binding site in the pink copper binding protein CusF by electron paramagnetic resonance spectroscopy (2005) (17)
- Cyanide complexes of iron corrolates: spin delocalization and autoreduction. (2001) (16)
- Rates of axial ligand rotation in diamagnetic d6 Co(III) and Fe(II) porphyrinates (1997) (16)
- NMR Studies of Hindered Ligand Rotation, Magnetic Anisotropy, Curie Behavior, Proton Spin Relaxation, and Ligand Exchange in Some Novel Oxomolybdenum(V)/Iron(III) Porphyrinate Complexes (1995) (16)
- NMR and EPR studies of low-spin Fe(III) complexes of meso-tetra-(2,6-disubstituted phenyl)porphyrinates complexed to imidazoles and pyridines of widely differing basicities. (2005) (16)
- REEVALUATION OF THE GAS-PHASE VALENCE PHOTOELECTRON SPECTRA OF OCTAETHYLPORPHYRIN AND TETRAPHENYLPORPHYRIN (1999) (16)
- Hydration and localization of diacylglycerol in the insect lipoprotein lipophorin. A 13C-NMR study. (1994) (15)
- 1H pulsed ENDOR and ESEEM evidence that the bis-imidazole complexes of iron(III) tetraphenylchlorin and tetraphenylporphyrin have the same order of g values, and the same electronic ground state. (2001) (15)
- EPR STUDIES OF THE DYNAMICS OF ROTATION OF DIOXYGEN IN MODEL COBALT(II) HEMES AND COBALT-CONTAINING HYBRID HEMOGLOBINS (1997) (15)
- Human cytosolic iron regulatory protein 1 contains a linear iron-sulfur cluster. (2001) (15)
- Magnetic Field (g-Value) Dependence of Proton Hyperfine Couplings Obtained from ESEEM Measurements: Determination of the Orientation of the Magnetic Axes of Model Heme Complexes in Glassy Media (1996) (15)
- Novel nitric oxide-liberating heme proteins from the saliva of bloodsucking insects. (1999) (15)
- Magnetic resonance spectroscopic investigations of the electronic ground and excited states in strongly nonplanar iron(III) dodecasubstituted porphyrins. (2005) (14)
- Models of the cytochromes b, IX: The effects of ortho substituent size and type on the binding and restriction of rotation of axial ligands in tetraphenylporphyinatoiron(III) and -zinc(II) complexes (1992) (14)
- Entropy, enthalpy, and side-arm porphyrins. 2. Crystal and molecular structure of a 5-coordinate zinc porphyrin with a four-atom chain attaching the pyridyl ligand to the tetraphenylporphyrin (1980) (14)
- Apparent autosomal recessive inheritance of the Treacher Collins syndrome. (1974) (14)
- The radiolytic reaction between graphite and carbon dioxide—I. Primary gasification products (1971) (13)
- Unprecedented peroxidase-like activity of Rhodnius prolixus nitrophorin 2: identification of the [FeIV=O Por•]+ and [FeIV=O Por](Tyr38•) intermediates and their role(s) in substrate oxidation. (2010) (13)
- Ammonia in fibrin hydrolysates. (1971) (13)
- Models of the bis-histidine-coordinated ferricytochromes: Mössbauer and EPR spectroscopic studies of low-spin iron(III) tetrapyrroles of various electronic ground states and axial ligand orientations (2003) (13)
- Investigations of Rotation of Axial Ligands in Six-Coordinate Low-Spin Iron(III) Tetraphenylporphyrinates: Measurement of Rate Constants from Saturation Transfer Experiments and Comparison to Molecular Mechanics Calculations (1997) (12)
- NMR and EPR studies of chloroiron(III) tetraphenyl-chlorin and its complexes with imidazoles and pyridines of widely differing basicities. (2006) (12)
- Electronic effects in transition metal porphyrins. 7. Synthesis and spectroscopic investigations of a series of octasubstituted porphyrin isomers and their iron(III) complexes (1993) (12)
- Models of the cytochromes b. 2. Effect of unsymmetrical phenyl substitution on pyrrole proton shifts of a series of low-spin (tetraphenylporphinato)iron(III) bis(N-methylimidazole) complexes (1982) (11)
- Models of the cytochromes b. 7. Novel features in the proton NMR spectra of mono-ortho-substituted dialkylamidotetraphenylporphinatoiron(III) complexes (1990) (11)
- 2D NMR Investigations of the Rotation of Axial Ligands in Six-Coordinate Low-Spin Iron(III) and Cobalt(III) Tetraphenylporphyrinates Having 2,6-Disubstituted Phenyl Rings: Quantitation of Rate Constants from 1H EXSY Cross-Peak Intensities (1997) (11)
- Models of the cytochromes b. 10. Application of proton COSY to delineate the spin density distribution at the pyrrole .beta. positions of unsymmetrically substituted low-spin iron(III) tetraphenylporphyrins (1992) (11)
- Pulsed EPR Characterization of the Low-Spin Iron(III) Porphyrinate Complexes with Phenyl Isocyanide Ligands Having the dxy Orbital Ground State (2002) (10)
- Native N‐Terminus Nitrophorin 2 from the Kissing Bug: Similarities to and Differences from NP2(D1A) (2012) (9)
- ROESY: a technique for establishing the existence of chemical exchange in paramagnetic model hemes with short T1 and T2 relaxation times (1992) (9)
- NMR and EPR Spectroscopy of Paramagnetic Metalloporphyrins and Heme Proteins (2013) (9)
- Oxomolybdenum(V)/Iron(III) Porphyrinate Complexes: Effect of Axial Ligand Plane Orientation on Complex Stability, Reduction Potential, and NMR and EPR Spectra. (1997) (9)
- Models of the Cytochromes b: The Effect of Unsymmetrically Placed Phenyl Substituents on the Redox Potentials of a Series of Iron Tetraphenylporphyrins and Their Bis(N-methylimidazole) Complexes (1982) (9)
- 19F Isotropic shifts in paramagnetic iron(III) octaethyltetraphenylporphyrinate and tetraphenylporphyrinate complexes of a variety of electronic ground states: implications for the electron configuration of chloroiron tri-(pentafluorophenyl)corrolate (2002) (9)
- NMR and EPR studies of the bis(pyridine) and bis(tert-butyl isocyanide) complexes of iron(III) octaethylchlorin. (2005) (9)
- Models of the cytochromes b. 3. Prediction of the orientation of the in-plane heme symmetry axis in unsymmetrically substituted low-spin hemins from the temperature dependence of their proton isotropic shifts (1982) (8)
- Mössbauer spectroscopic studies of the six-coordinate heme-nitric oxide complex of iron(III) octaethylporphyrin N-methylimidazole, the first model of the nitrophorin-NO complexes. (2000) (8)
- Electron spin density on the axial His ligand of high-spin and low-spin nitrophorin 2 probed by heteronuclear NMR spectroscopy. (2013) (8)
- Kinetics of ring inversion in strongly nonplanar iron(III) octaalkyltetraphenylporphyrinates. (2005) (7)
- Structure and stability effects of the mutation of glycine 34 to serine in Rhodobacter capsulatus cytochrome c(2). (2000) (7)
- Rapid detection of iron-57 NMR chemical shifts of model hemes: an approximate correlation between iron-57 and phosphorus-31 chemical shifts of iron(II) porphyrins bound to phosphine axial ligands (1992) (7)
- Magnetic resonance and structural investigations of (monooxooctaethylchlorinato)iron(III) chloride and its bis(imidazole) complex. (2005) (7)
- Iron Corrolates: Unambiguous Chloroiron(III) (Corrolate)2‐ π‐Cation Radicals (2006) (7)
- How a blood sucking insect gets its meal: The ferriheme proteins Nitrophorin 2 and 4 studied by Mössbauer Spectroscopy (2002) (7)
- Americanism versus sovietism: a study of the reaction to the committee on the costs of medical care. (1979) (6)
- PROTON NUCLEAR MAGNETIC RESONANCE LINE WIDTHS AND SPIN RELAXATION IN PARAMAGNETIC METALLOPORPHYRINS OF CHROMIUM(III), MANGANESE(III), AND IRON(III) (1973) (6)
- Assignment of the ferriheme resonances of the high-spin forms of nitrophorins 1 and 4 by 1H NMR spectroscopy: comparison to structural data obtained from X-ray crystallography. (2007) (6)
- NMR studies of nitrophorin distal pocket side chain effects on the heme orientation and seating of NP2 as compared to NP1. (2011) (6)
- Assignment of the 1H NMR resonances of protein residues in close proximity to the heme of the nitrophorins: similarities and differences among the four proteins from the saliva of the adult blood-sucking insect Rhodnius prolixus (2012) (6)
- ESEEM and Mössbauer studies of the ferriheme model compound bis(3-aminopyrazole)tetraphenylporphyrinatoiron(III) chloride, [TPPFe(NH2PzH)2]Cl (1999) (6)
- Leghemoglobins with Nitrated Hemes in Legume Root Nodules (2015) (5)
- Linear correlation between 1H and 13C chemical shifts of ferriheme proteins and model ferrihemes. (2011) (5)
- NMR studies of the dynamics of nitrophorin 2 bound to nitric oxide. (2013) (4)
- Nitric oxide heme interactions in nitrophorin 7 investigated by nuclear inelastic scattering (2014) (4)
- Kinetic deuterium isotope effects in the reactions of 4-nitrophenylnitromethane with various nitrogen bases in anisole (1976) (4)
- Trans-disubstituted tetraarylporphyrin as a precursor to larger molecular architectures: an application of MacDonald "2 + 2" porphyrin synthesis in aqueous anionic surfactant. (2001) (4)
- ROESY spectra of paramagnetic model heme complexes: unambiguous differentiation of cross-peaks due to chemical exchange and the nuclear overhauser effect in the same molecule (1998) (4)
- NMR investigations of nitrophorin 2 belt side chain effects on heme orientation and seating of native N-terminus NP2 and NP2(D1A) (2014) (4)
- ELECTRONIC EFFECTS IN TRANSITION-METAL PORPHYRINS. 4. EFFECT OF UNSYMMETRICAL L PHENYL SUBSTITUTION ON THE NMR SPECTRA OF A SERIES OF METAL-FREE AND ZINC TETRAPHENYLPORPHYRINS (1982) (4)
- Separation and determination of diesel contaminants in various fish products by capillary gas chromatography. (1991) (4)
- A correlation between mossbauer quadrupole splittings and 57Fe NMR chemical shifts of diamagnetic iron(II) porphyrinates (1995) (3)
- The Effect of Axial Ligand Plane Orientation on the Isotropic Shifts of the Dichelated Protohemin Cyanide Complexes of Traylor and Berzinis (1999) (3)
- Nuclear inelastic scattering of heme proteins: from iron ligand vibrations to low energy protein modes (2012) (3)
- Determination of the principal g-values of Type I or highly-anisotropic low spin (HALS) ferriheme centers in frozen solutions. (2013) (3)
- Models of the Cytochromes b. Effect of Axial Ligand Plane Orientation on the EPR and Mößbauer Spectra of Low-Spin Ferrihemes. (1986) (3)
- Rate Constants and Thermodynamic Parameters of Rotation of Axial Ligands in a Bisligated Ferric Tetramesitylporphyrinate Complex Measured from the Temperature Dependence of 1H Transverse Relaxation Rates (1998) (3)
- Nitric oxide heme interactions in nitrophorin from Cimex lectularius (2016) (3)
- Reactions of bis(nitro) (.alpha.,.alpha.,.alpha.,.alpha.-tetrakis(o-pivalamidophenyl)porphinato)ferrate(III) with pyridine and imidazole. EPR and Moessbauer spectra and molecular structures of the mixed-ligand species [Erratum to document cited in CA114:177156] (1991) (2)
- Two‐dimensional 1H NMR spectroscopy of paramagnetic haem models of the cytochromes: Successes, failures and unanswered questions (1993) (2)
- Models of the membrane-bound cytochromes: mössbauer spectra of crystalline low-spin ferriheme complexes having axial ligand plane dihedral angles ranging from 0 degree to 90 degrees. (2006) (2)
- Synthesis and characterization of the iron(III) complexes of tetra-(β,β'-tetramethylene)tetraphenylporphyrin, (TC6TPP)FeCl and (TC6TPP)FeONO2 (2005) (2)
- Proton NMR Relaxation in Six-Coordinate Low-Spin Iron(III) Tetraphenylporphyrinates: Temperature Dependence of Proton Relaxation Rates and Interpretation of NOESY Experiments (1997) (2)
- Electronic Effects in Transition-Metal Porphyrins. 6. The Effect of Unsymmetrical Phenyl Substitution on the Formation Constants of a Series of (1985) (2)
- Characterization of the mixed axial ligand complex (4-cyanopyridine)(imidazole)(tetramesitylporphinato)iron(iii) perchlorate. Stabilization by synergic bonding. (2016) (1)
- Reactions of monomeric cobalt-oxygen complexes. I. Thermodynamics of reaction of molecular oxygen with five- and six-coordinate amine complexes of a cobalt porphyrin. (1973) (1)
- Fluxional distortion and electronic structure of bis-ligated diamagnetic iron(II) porphyrinates (1995) (1)
- Low-Spin Ferriheme Models of the Cytochromes : Correlation of Molecular Structure with EPR and Mössbauer Spectral Parameters (2004) (1)
- Models of the cytochromes b. 8. Two-dimensional nuclear Overhauser and exchange spectroscopy studies of paramagnetic "cavity" type (tetraphenylporphinato)iron(III) complexes of planar ligands. [Erratum to document cited in CA115(22):246370d] (1992) (1)
- NMR Studies of the Dynamics of High-Spin Nitrophorins: Comparative Studies of NP4 and NP2 at Close to Physiological pH (2014) (1)
- Familial spina bifida associated with antiemetic ingestion in the first semester. (1974) (1)
- ENTROPY, ENTHALPY, AND SIDE ARM PORPHYRINS. 1. THERMODYNAMICS OF AXIAL LIGAND D COMPETITION BETWEEN 3-PICOLINE AND A SERIES OF 3-PYRIDYL LIGANDS COVALENTLY ATTACHED TO ZINC TETRAPHENYLPORPHYRIN (1980) (1)
- Proton NMR Investigations of Intermediate Spin Iron(III) Complexes with Macrocyclic N42– Chelate Ligands (2013) (1)
- ELECTRONIC EFFECTS IN TRANSITION METAL PORPHYRINS. 2. THE SENSITIVITY OF REDOX AND LIGAND ADDITION REACTIONS IN PARA-SUBSTITUTED TETRAPHENYLPORPHYRIN COMPLEXES OF COBALT(II) (1976) (1)
- EPR Evidence for Hydrogen Bond Donation to the Terminal Oxygen of Co - O2Model Compounds and Cobalt Oxymyoglobin (1986) (1)
- Dimerization of Nitrophorin 4 at Low pH and Comparison to the K1A Mutant of Nitrophorin 1 (2014) (1)
- Tyrosine triad at the interface between the Rieske iron-sulfur protein, cytochrome c1 and cytochrome c2 in the bc1 complex of Rhodobacter capsulatus. (2012) (1)
- 1H and 13C NMR spectroscopy of paramagnetic low-spin model heme complexes. (1993) (1)
- Models of the cytochromes b. structural and spectroscopic investigations of low-spin bis-pocket hemins. (1991) (0)
- Calcium metabolism and teeth (1988) (0)
- Psychological stress associated with coming into hospital. (1977) (0)
- ELECTRONIC EFFECTS IN TRANSITION IN METAL PORPHYRINS. 5. THERMODYNAMICS OF AXIAL LIGAND ADDITION AND SPECTROSCOPIC TRENDS OF A SERIES OF SYMMETRICAL AND UNSYMMETRICAL DERIVATIVES OF TETRAPHENYLPORPHINATOZINC(II) (1984) (0)
- CCDC 125647: Experimental Crystal Structure Determination (1996) (0)
- Nuclear resonant forward scattering using synchrotron radiation applied to study the low-spin ferriheme complex [TPPFe(NH2PzH)2]Cl (2002) (0)
- Two Crystalline Forms of Low-Spin [Fe(TMP)(5-MeHIm)2]ClO4. Relative Parallel and Perpendicular Axial Ligand Orientations [J. Am. Chem. Soc.1999,121, 11144−11155]. (2000) (0)
- Pyridine complexes of iron(III) tetramesitylporphyrin: Detailed NMR studies (1993) (0)
- Nitric oxide heme interactions in nitrophorin 7 investigated by nuclear inelastic scattering (2013) (0)
- Crystal Structure of Cimex Nitrophorin (2004) (0)
- Models of the Cytochromes b. Part 4. Effect of Axial Ligand Plane Orientation on the Proton NMR Spectra of Symmetrically Substituted Low-Spin Iron(III) Porphyrins (1984) (0)
- Advances in Single- and Multidimensional NMR Spectroscopy of Paramagnetic Metal Complexes (1998) (0)
- Assignment of the 1H NMR resonances of protein residues in close proximity to the heme of the nitrophorins: similarities and differences among the four proteins from the saliva of the adult blood-sucking insect Rhodnius prolixus (2012) (0)
- NMR spectroscopy of paramagnetic cyanide-ligated model hemes: An unambiguous pyrrole proton resonance assignment (1995) (0)
- Synthesis, Spectroscopic, and Structural Studies of Extremely Short Chain Basket Handle Porphyrins and Their Zinc(II) Complexes. (1987) (0)
- THE RADIOLYTIC REACTION BETWEEN GRAPHITE AND CARBON DIOXIDE. GAS FLOW EXPERIMENTS. PART II. EFFECTS OF PRESSURE, TEMPERATURE AND GAS FLOW RATE (1964) (0)
- The effect of axial π-acceptor ligands in iron(III) porphyrinates. Characterization of the low-spin derivative [Fe(TPP)(4-CNPy)2]ClO4, a heme complex with an axial EPR spectrum. (1993) (0)
- NMR investigations of the four nitrophorins from the blood-sucking insect rhodnius prolixus (2003) (0)
- A LINEAR RELATIONSHIP BETWEEN SUBSTITUTED PYRIDINE LONE PAIR VERTICAL IONIZATION POTENTIALS AND PK(A) (1974) (0)
- Thermodynamics of axial ligand addition and spectroscopic trends of a series of symmetrical and unsymmetrical derivatives of tetraphenylporphinatozinc(II) and -iron(III) (1983) (0)
- Correlation of molecular structure, EPR and moessbauer spectral type and reduction potential in low-spin ferriheme models of the cytochromes (2003) (0)
- 1.27 A CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS COMPLEXED WITH IMIDAZOLE (2001) (0)
- Crystal structure of nitrophorin 2 ferrous aqua complex (2006) (0)
- Proton nuclear magnetic resonance line widths and spin relaxation in paramagnetic metalloporphyrins of chromium(3), manganese(3), and iron(3). (1973) (0)
- Models of the Bis‐Histidine‐Ligated Electron‐Transferring Cytochromes. Comparative Geometric and Electronic Structure of Low‐Spin Ferro‐ and Ferrihemes (2004) (0)
- NMR studies of electron spin relaxation, magnetic anisotropy, hindered ligand rotation and curie behavior in some novel oxomolybdenum(V)/iron(III) porphyrinate complexes (1995) (0)
- Nitric oxide heme interactions in nitrophorin from Cimex lectularius (2016) (0)
- Erratum to: Assignment of the 1H NMR resonances of protein residues in close proximity to the heme of the nitrophorins: similarities and differences among the four proteins from the saliva of the adult blood-sucking insect Rhodnius prolixus (2012) (0)
- Nitric Oxide Interaction with Insect Nitrophorins and Possibilities for the Electron Configuration of the {FeNO}6 Complex (2008) (0)
- MODELS OF THE CYTOCHROMES B. 2. EFFECT OF UNSYMMETRICAL PHENYL SUBSTITUTION ON PYRROLE PROTON SHIFTS OF A SERIES OF LOW‐SPIN (TETRAPHENYLPORPHINATO)IRON(III) BIS(N‐METHYLIMIDAZOLE) COMPLEXES (2002) (0)
- NITROPHORIN 1 COMPLEX WITH NITRIC OXIDE (1998) (0)
- One- and two-dimensional 1H NMR studies of model heme complexes with short relaxation times T1 and T2 (1991) (0)
- Crystal structure of L122V/L132V mutant of nitrophorin 2 (2006) (0)
- CRYSTAL STRUCTURE OF NITROPHORIN 4 FROM RHODNIUS PROLIXUS COMPLEXED WITH NITRIC OXIDE AT 1.08 A RESOLUTION (2001) (0)
- Cyclic voltammetric measurement of reduction potentials and formation constants for complexes of substituted pyridines with iron(III) and iron(II) “hindered” porphyrins. (1993) (0)
- ROESY: A Technique for Establishing the Existence of Chemical Exchange in Paramagnetic Model Hemes with Short T1 and T2 Relaxation Times. (1993) (0)
- Low-Spin Ferriheme Models of the Cytochromes: Correlation of Molecular Structure with EPR and Mössbauer Spectral Parameters (2004) (0)
- PROTON NUCLEAR MAGNETIC RESONANCE STUDIES OF HIGH-SPIN MANGANESE(III), COMPLEXES WITH SYNTHETIC PORPHYRINS (1975) (0)
- Crystal structure of nitrophorin 4 complexed with 4-iodopyrazole (2002) (0)
- Crystal structure of D1A mutant of nitrophorin 2 complexed with imidazole (2006) (0)
- Crystal Structure of Nitrophorin 4 from Rhodnius Prolixus Complexed with Histamine at 1.5 A Resolution (2001) (0)
- Crystal structure of nitrophorin 2 aqua complex (2006) (0)
- The effect of hindered axial ligand rotation on the NMR properties of ortho-substituted TPPFEL2+ complexes (1989) (0)
- CRYSTAL STRUCTURE OF THE COMPLEX OF NITROPHORIN 1 FROM RHODNIUS PROLIXUS WITH HISTAMINE (1998) (0)
- Crystal Structure of Cimex Nitrophorin NO Complex (2004) (0)
- NMR investigations of nitrophorin 2 belt side chain effects on heme orientation and seating of native N-terminus NP2 and NP2(D1A) (2013) (0)
- Nuclear inelastic scattering of heme proteins: from iron ligand vibrations to low energy protein modes (2011) (0)
- Erratum to: Assignment of the 1H NMR resonances of protein residues in close proximity to the heme of the nitrophorins: similarities and differences among the four proteins from the saliva of the adult blood-sucking insect Rhodnius prolixus (2012) (0)
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