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List of works by James Penner Hahn

A de novo designed metalloenzyme for the hydration of CO2.

scientific article published on 18 June 2014

A method for normalization of X-ray absorption spectra

scientific article published on 15 June 2005

Activation of Escherichia coli UDP-3-O-[(R)-3-hydroxymyristoyl]-N-acetylglucosamine deacetylase by Fe2+ yields a more efficient enzyme with altered ligand affinity.

scientific article published on March 2010

An atypical linear Cu(I)-S2 center constitutes the high-affinity metal-sensing site in the CueR metalloregulatory protein

scientific article published in October 2003

Antivitamins B12 in a Microdrop: The Excited-State Structure of a Precious Sample Using Transient Polarized X-ray Absorption Near-Edge Structure

scientific article published on 04 September 2019

Arsenic(III)-cysteine interactions stabilize three-helix bundles in aqueous solution.

scientific article

Biochemistry. The photosynthesis "oxygen clock" gets a new number.

scientific article

Characterization of the heme in human cystathionine beta-synthase by X-ray absorption and electron paramagnetic resonance spectroscopies

scientific article published on 01 August 2000

Characterization of the metal receptor sites in Escherichia coli Zur, an ultrasensitive zinc(II) metalloregulatory protein.

scientific article published in September 2001

Clarifying the Copper Coordination Environment in a de Novo Designed Red Copper Protein

scientific article published on 18 September 2018

Cu(I) recognition via cation-π and methionine interactions in CusF

scientific article

Designing a functional type 2 copper center that has nitrite reductase activity within α-helical coiled coils ⬇️

scientific article published on December 10, 2012

Determining the coordination environment and electronic structure of polymer-encapsulated cobalt phthalocyanine under electrocatalytic CO2 reduction conditions using in situ X-Ray absorption spectroscopy

scientific article published on 20 May 2020

Development of a Rubredoxin-Type Center Embedded in a de Dovo-Designed Three-Helix Bundle.

scientific article published on 21 March 2018

EXAFS Comparison of the Dimanganese Core Structures of Manganese Catalase, Arginase, and Manganese-Substituted Ribonucleotide Reductase and Hemerythrin ⬇️

scientific article published on August 12, 1997

EXAFS studies of the zinc sites of UDP-(3-O-acyl)-N-acetylglucosamine deacetylase (LpxC).

scientific article published in February 2003

Element-specific detection in capillary electrophoresis using X-ray fluorescence spectroscopy

scientific article published on 01 April 2000

Fluxes in “Free” and Total Zinc Are Essential for Progression of Intraerythrocytic Stages of Plasmodium falciparum ⬇️

scientific article published on June 22, 2012

Geometric and electrostatic study of the [4Fe-4S] cluster of adenosine-5'-phosphosulfate reductase from broken symmetry density functional calculations and extended X-ray absorption fine structure spectroscopy.

scientific article published on 16 June 2011

Identification of the zinc ligands in cobalamin-independent methionine synthase (MetE) from Escherichia coli

scientific article published on 01 November 1999

Incorporation of second coordination sphere D-amino acids alters Cd(II) geometries in designed thiolate-rich proteins

scientific article

Introduction: X-rays in chemistry

scientific article published on 01 June 2001

Is the allylpalladium structure altered between solid and solutions?

scientific article

M-BLANK: a program for the fitting of X-ray fluorescence spectra

scientific article published on 19 February 2019

Mechanism of manganese catalase peroxide disproportionation: determination of manganese oxidation states during turnover

scientific article published on 01 February 1995

Metal Ion Chaperone Function of the Soluble Cu(I) Receptor Atx1 ⬇️

scientific article published on October 31, 1997

Methylated Histidines Alter Tautomeric Preferences that Influence the Rates of Cu Nitrite Reductase Catalysis in Designed Peptides

scientific article published on 06 May 2019

Models for the lower S states of photosystem II: a trinuclear mixed-valent MnII/MnIV/MnII complex

scientific article published in April 2003

Modifying the Sterics In the Second Coordination Sphere Of Designed Peptides Leads to Enhancement of Nitrite Reductase Activity.

scientific article published on 8 January 2018

NMR Characterization of Substrate Binding in the Phthalate Dioxygenase System†

scientific article published on 01 August 1999

On the spectral features associated with peroxide reactivity of the coupled binuclear copper active site in type 2 depleted and native Rhus laccase ⬇️

scientific article published on March 15, 1984

Peptidic models for the binding of Pb(II), Bi(III) and Cd(II) to mononuclear thiolate binding sites

scientific article published on 20 July 2006

Polarized XANES Monitors Femtosecond Structural Evolution of Photoexcited Vitamin B12.

scientific article

Preliminary X-ray analysis of Escherichia coli GMP synthetase: determination of anomalous scattering factors for a cysteinyl mercury derivative.

scientific article

Probing a Silent Metal: A Combined X-ray Absorption and Emission Spectroscopic Study of Biologically Relevant Zinc Complexes

scientific article published on 06 September 2020

Probing the Excited State of Methylcobalamin Using Polarized Time-Resolved X-ray Absorption Spectroscopy

scientific article published on 10 July 2019

Reactivity of [{MnIV(salpn)}2(μ-O,μ-OCH3)]+and [{MnIV(salpn)}2(μ-O,μ-OH)]+: Effects of Proton Lability and Hydrogen Bonding

scientific article published on 01 October 1999

Snapshots of transition states?

scientific article

Structural and physical characterization of tetranuclear [Mn(II)3Mn(IV)] and [Mn(II)2Mn(III)2] valence-isomer manganese complexes.

scientific article published on 7 June 2008

Structural characterization of horseradish peroxidase using EXAFS spectroscopy. Evidence for Fe = O ligation in compounds I and II

scientific article published on 01 November 1986

Structural characterization of the copper site in galactose oxidase using X-ray absorption spectroscopy

scientific article published on 01 October 1994

Structural, spectroscopic, and reactivity models for the manganese catalases.

scientific article published on February 2004

Synthesis, characterization, and in vitro testing of superparamagnetic iron oxide nanoparticles targeted using folic Acid-conjugated dendrimers

scientific article

Technologies for Detecting Metals in Single Cells

scientific article

The McbB component of microcin B17 synthetase is a zinc metalloprotein.

scientific article published on December 2000

The Photoactive Excited State of the B12-Based Photoreceptor CarH

scientific article published on 11 November 2020

Thiol ligation of two zinc atoms to a class I tRNA synthetase: evidence for unshared thiols and role in amino acid binding and utilization.

scientific article

Ultrafast X-ray Absorption Near Edge Structure Reveals Ballistic Excited State Structural Dynamics

scientific article published on 25 May 2018

Ultrafast XANES Monitors Femtosecond Sequential Structural Evolution in Photoexcited Coenzyme B12

scientific article published on 18 December 2019

X-Ray Absorption Spectroscopy of Dimethylcuprates: Evidence for Solvent-Dependent Aggregation

scientific article published on 01 June 1998

X-ray Absorption Spectroscopy and Reactivity of Thiolate-Ligated FeIII−OOR Complexes ⬇️

scientific article published on October 18, 2010

X-ray absorption spectroscopy of Pseudomonas cepacia phthalate dioxygenase

scientific article published on 01 January 1989

X-ray absorption spectroscopy of the iron site in Escherichia coli Fe(III) superoxide dismutase.

scientific article

X-ray-absorption studies of zirconia polymorphs. I. Characteristic local structures

scientific article published on 01 October 1993

X-ray-absorption studies of zirconia polymorphs. II. Effect of Y2O3 dopant on ZrO2 structure

scholarly article in Physical Review B, vol. 48 no. 14, October 1993

X-ray-absorption studies of zirconia polymorphs. III. Static distortion and thermal distortion

scientific article published on 01 October 1993

XANES evidence against a manganyl species in the S3 state of the oxygen-evolving complex

scientific article published in July 2004

Zinc-promoted alkyl transfer: a new role for zinc.

scientific article published on 21 March 2007

Zinc-thiolate intermediate in catalysis of methyl group transfer in Methanosarcina barkeri.

scientific article published in October 2001

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