F. Ann Walker

Research.com Recognitions

• 2011 - Fellow of the American Chemical Society
• 2000 - Garvan–Olin Medal, American Chemical Society (ACS)
• 1984 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Best Publications

• Reversible binding of nitric oxide by a salivary heme protein from a bloodsucking insect

  J. M. C. Ribeiro;J. M. H. Hazzard;R. H. Nussenzveig;D. E. Champagne

  400
  Citations

• Magnetic spectroscopic (EPR, ESEEM, Mössbauer, MCD and NMR) studies of low-spin ferriheme centers and their corresponding heme proteins

  F.Ann Walker

  389
  Citations

• Models of the cytochromes b. Effect of axial ligand plane orientation on the EPR and Moessbauer spectra of low-spin ferrihemes

  F. Ann. Walker;Boi Hanh Huynh;W. Robert. Scheidt;Sarah R. Osvath

  329
  Citations

• Proton magnetic resonance investigation of antiferromagnetic oxo-bridged ferric dimers and related high-spin monomeric ferric complexes

  Gerd N. La Mar;G. R. Eaton;R. H. Holm;F. Ann. Walker

  325
  Citations

• Models of the Bis-Histidine-Ligated Electron-Transferring Cytochromes. Comparative Geometric and Electronic Structure of Low-Spin Ferro- and Ferrihemes

  F. Ann Walker

  305
  Citations

• ELECTRONIC EFFECTS IN TRANSITION METAL PORPHYRINS. 2. THE SENSITIVITY OF REDOX AND LIGAND ADDITION REACTIONS IN PARA-SUBSTITUTED TETRAPHENYLPORPHYRIN COMPLEXES OF COBALT(II)

  F. Ann Walker;D. Beroiz;K. M. Kadish

  276
  Citations

• Electron transfer by diflavin reductases.

  Marat B. Murataliev;René Feyereisen;F.Ann Walker

  252
  Citations

• Axial Ligand Orientation in Iron(III) Porphyrinates: Effect of Axial .pi.-Acceptors. Characterization of the Low-Spin Complex [Fe(TPP)(4-CNPy)2]ClO4

  Martin K. Safo;F. Ann Walker;Arnold M. Raitsimring;W. Patrick Walters

  214
  Citations

• Models of the Cytochromes b. Control of Axial Ligand Orientation with a "Hindered" Porphyrin System

  Martin K. Safo;Govind P. Gupta;F. Ann Walker;W. Robert Scheidt

  212
  Citations

• Models of the cytochromes b. 5. EPR studies of low-spin iron(III) tetraphenylporphyrins

  F. Ann Walker;David Reis;Virginia L. Balke

  212
  Citations

• Models of the cytochromes b. Low-spin bis-ligated (porphinato)iron(III) complexes with unusual molecular structures and NMR, EPR, and Moessbauer spectra

  Martin K. Safo;Govind P. Gupta;C. Todd Watson;Ursula Simonis

  203
  Citations

• Ligand-induced heme ruffling and bent no geometry in ultra-high-resolution structures of nitrophorin 4.

  S.A Roberts;A Weichsel;Y Qiu;Y Qiu;J.A Shelnutt;J.A Shelnutt

  173
  Citations

• Heme-assisted S-nitrosation of a proximal thiolate in a nitric oxide transport protein

  Andrzej Weichsel;Estelle M. Maes;John F. Andersen;John F. Andersen;Jesus G. Valenzuela

  170
  Citations

• 2 – Nuclear Magnetic Resonance of Paramagnetic Metalloporphyrins

  Gerd N. La Mar;F. Ann Walker

  169
  Citations

• 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.

  Rosalie K. Hocking;Erik C. Wasinger;Yi-Long Yan;Frank M. F. deGroot

  165
  Citations

• 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.

  Andersen Jf;Ding Xd;Balfour C;Shokhireva Tk

  164
  Citations

• Reactions of monomeric cobalt-oxygen complexes. I. Thermodynamics of reaction of molecular oxygen with five- and six-coordinate amine complexes of a cobalt porphyrin.

  F. Ann. Walker

  153
  Citations

• Co- and Counterrotation of Magnetic Axes and Axial Ligands in Low-Spin Ferriheme Systems

  Nikolai V. Shokhirev and;F. Ann Walker

  153
  Citations

• Is the corrolate macrocycle innocent or noninnocent? Magnetic susceptibility, Mössbauer, 1H NMR, and DFT investigations of chloro- and phenyliron corrolates.

  Olga Zakharieva;Volker Schünemann;Michael Gerdan;Silvia Licoccia

  148
  Citations

• Pulsed EPR and NMR Spectroscopy of Paramagnetic Iron Porphyrinates and Related Iron Macrocycles: How To Understand Patterns of Spin Delocalization and Recognize Macrocycle Radicals

  F. Ann Walker

  143
  Citations

• 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

  Nikolai V. Shokhirev;F. Ann Walker

  141
  Citations

• Electronic effects in transition metal porphyrins. The reactions of imidazoles and pyridines with a series of para-substituted tetraphenylporphyrin complexes of chloroiron(III).

  Unknown

  132
  Citations

• Nitric oxide interaction with insect nitrophorins and thoughts on the electron configuration of the {FeNO}6 complex.

  Unknown

  71
  Citations