Publications by authors named "Patrik Callis"

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Surveying Enzyme Crystal Structures Reveals the Commonality of Active-Site Solvent Accessibility and Enzymatic Water Networks.
Caleb M T Sindic, Pedro L Muiño, Patrik R Callis

ACS Omega· May 2025

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Local Electric Field Controls Fluorescence Quantum Yield of Red and Far-Red Fluorescent Proteins.
Mikhail Drobizhev, Rosana S Molina, Patrik R Callis, J Nathan Scott, Gerard G Lambert

Front Mol Biosci· February 2021

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Buried Liquid Interfaces as a Form of Chemistry in Confinement: The Case of 4-Dimethylaminobenzonitrile at the Silica-Aqueous Interface.
Grace E Purnell, Marshall T McNally, Patrik R Callis, Robert A Walker

J Am Chem Soc· February 2020

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Two-photon absorption spectra of fluorescent isomorphic DNA base analogs.
Alexander Mikhaylov, Sophie de Reguardati, Jüri Pahapill, Patrik R Callis, Bern Kohler

Biomed Opt Express· February 2018

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TD-DFT calculations of one- and two-photon absorption in Coumarin C153 and Prodan: attuning theory to experiment.
Merle Uudsemaa, Aleksander Trummal, Sophie de Reguardati, Patrik R Callis, Aleksander Rebane

Phys Chem Chem Phys· November 2017

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Picosecond fluorescence dynamics of tryptophan and 5-fluorotryptophan in monellin: slow water-protein relaxation unmasked.
Jianhua Xu, Binbin Chen, Patrik Callis, Pedro L Muiño, Henriëtte Rozeboom

J Phys Chem B· March 2015

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MD + QM correlations with tryptophan fluorescence spectral shifts and lifetimes.
Patrik R Callis, Jose R Tusell

Methods Mol Biol· May 2014

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Charge invariant protein-water relaxation in GB1 via ultrafast tryptophan fluorescence.
Arianna Biesso, Jianhua Xu, Pedro L Muíño, Patrik R Callis, Jay R Knutson

J Am Chem Soc· February 2014

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Insensitivity of tryptophan fluorescence to local charge mutations.
J Nathan Scott, Patrik R Callis

J Phys Chem B· August 2013

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Primary role of the chromophore bond length alternation in reversible photoconversion of red fluorescence proteins.
Mikhail Drobizhev, Thomas E Hughes, Yuriy Stepanenko, Pawel Wnuk, Kieran O'Donnell, Patrik R Callis

Sci Rep· April 2013

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Simulations of tryptophan fluorescence dynamics during folding of the villin headpiece.
Jose R Tusell, Patrik R Callis

J Phys Chem B· March 2012

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Predicting fluorescence lifetimes and spectra of biopolymers.
Patrik R Callis

Methods Enzymol· April 2011

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Correlation of tryptophan fluorescence spectral shifts and lifetimes arising directly from heterogeneous environment.
Chia-Pin Pan, Pedro L Muiño, Mary D Barkley, Patrik R Callis

J Phys Chem B· March 2011

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Femtosecond fluorescence spectra of tryptophan in human gamma-crystallin mutants: site-dependent ultrafast quenching.
Jianhua Xu, Jiejin Chen, Dmitri Toptygin, Olga Tcherkasskaya, Patrik Callis

J Am Chem Soc· November 2009

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Mechanism of the very efficient quenching of tryptophan fluorescence in human gamma D- and gamma S-crystallins: the gamma-crystallin fold may have evolved to protect tryptophan residues from ultraviolet photodamage.
Jiejin Chen, Patrik R Callis, Jonathan King

Biochemistry· May 2009

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Solvent effects on the fluorescence quenching of tryptophan by amides via electron transfer. Experimental and computational studies.
Pedro L Muiño, Patrik R Callis

J Phys Chem B· March 2009

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Molecular dynamics simulations of perylene and tetracene librations: comparison with femtosecond upconversion data.
Tilman Rosales, Jianhua Xu, Xiongwu Wu, Milan Hodoscek, Patrik Callis

J Phys Chem A· June 2008

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The emitting state of tryptophan in proteins with highly blue-shifted fluorescence.
Jaap Broos, Karina Tveen-Jensen, Ellen de Waal, Ben H Hesp, J Baz Jackson, Patrik R Callis

Angew Chem Int Ed Engl· September 2007

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Ab initio prediction of tryptophan fluorescence quenching by protein electric field enabled electron transfer.
Patrik R Callis, Alexander Petrenko, Pedro L Muiño, Jose R Tusell

J Phys Chem B· September 2007

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Mechanism of the highly efficient quenching of tryptophan fluorescence in human gammaD-crystallin.
Jiejin Chen, Shannon L Flaugh, Patrik R Callis, Jonathan King

Biochemistry· September 2006

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Dependence of tryptophan emission wavelength on conformation in cyclic hexapeptides.
Chia-Pin Pan, Patrik R Callis, Mary D Barkley

J Phys Chem B· April 2006

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Ultrafast fluorescence dynamics of tryptophan in the proteins monellin and IIAGlc.
Jianhua Xu, Dmitri Toptygin, Karen J Graver, Rebecca A Albertini, Regina S Savtchenko, Patrik R Callis

J Am Chem Soc· February 2006

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Ionization potentials of fluoroindoles and the origin of nonexponential tryptophan fluorescence decay in proteins.
Tiqing Liu, Patrik R Callis, Ben H Hesp, Mattijs de Groot, Wybren Jan Buma

J Am Chem Soc· March 2005

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Photophysics of tryptophan fluorescence: link with the catalytic strategy of the citrate synthase from Thermoplasma acidophilum.
Linda C Kurz, Brett Fite, John Jean, Jung Park, Tim Erpelding, Patrik Callis

Biochemistry· February 2005

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Constraints on the conformation of the cytoplasmic face of dark-adapted and light-excited rhodopsin inferred from antirhodopsin antibody imprints.
Brian W Bailey, Brendan Mumey, Paul A Hargrave, Anatol Arendt, Oliver P Ernst, Patrik R Callis

Protein Sci· November 2003

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