Gayan Wijeratne

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Assistant Professor

The University of Alabama

United States

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About

Dr. Gayan Wijeratne is an Assistant Professor at the University of Alabama at Birmingham. His research focuses on heme biochemistry, including nitric oxide synthase mechanisms and the development of PET imaging agents. Recent publications include works on heme peroxo complexes and their role in enzyme catalysis, as well as insights into cytochrome P450 model systems. His contributions advance understanding of non-covalent interactions in heme dioxygenases and their implications in biochemical processes.

Recent Grants

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CAREER: Geometric and Electronic Contributions to Bio-inspired Reactivities of Heme-superoxide Intermediates

Open Date: 2021-05-01

Close Date: 2026-04-30

Articles (18)

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2020

Collaborators (7)

Samith Buddhika Jayawardana Jayawardana

Graduate Teaching Assistant

University of Alabama, Tuscaloosa

UNITED STATES

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Timothy Jackson

Professor

University of Kansas

UNITED STATES

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Syun-Ru Yeh

Professor

Albert Einstein College of Medicine

UNITED STATES

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Sam de Visser

The University of Manchester

UNITED KINGDOM

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Henrik Wong

The University of Manchester

UNITED KINGDOM

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Brad Pierce

Associate Professor

University of Alabama, Tuscaloosa

UNITED STATES

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Izumi Ishigami

Research Assistant Professor

Albert Einstein College of Medicine

UNITED STATES

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Gayan Wijeratne

Research Interests

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About

Recent Grants

Articles (18)

[45Ti]Ti-HOPOs: Potential Complexes for the Development of 45Ti PET Imaging Agents

Modulation of heme peroxo nucleophilicities with axial ligands reveal key insights into the mechanistic landscape of nitric oxide synthase

Reactivity of a heterobinuclear heme–peroxo–Cu complex with para-substituted catechols shows a pKa-dependent change in mechanism

A Cytochrome P450 TxtE Model System with Mechanistic and Theoretical Evidence for a Heme Peroxynitrite Active Species

Front Cover: Secondary Sphere Lewis Acid Activated Heme Superoxo Adducts Mimic Crucial Non‐Covalent Interactions in IDO/TDO Heme Dioxygenases (Chem. Eur. J. 68/2024)

Secondary Sphere Lewis Acid Activated Heme Superoxo Adducts Mimic Crucial Non‐Covalent Interactions in IDO/TDO Heme Dioxygenases

A Cytochrome P450 TxtE Model System with Mechanistic and Theoretical Evidence for a Heme Peroxynitrite Active Species

Cover Picture: A Cytochrome P450 TxtE Model System with Mechanistic and Theoretical Evidence for a Heme Peroxynitrite Active Species (Angew. Chem. Int. Ed. 49/2024)

Titelbild: A Cytochrome P450 TxtE Model System with Mechanistic and Theoretical Evidence for a Heme Peroxynitrite Active Species (Angew. Chem. 49/2024)

Innentitelbild: The Role of Heme Peroxo Oxidants in the Rational Mechanistic Modeling of Nitric Oxide Synthase: Characterization of Key Intermediates and Elucidation of the Mechanism (Angew. Chem. 48/2022)

Inside Cover: The Role of Heme Peroxo Oxidants in the Rational Mechanistic Modeling of Nitric Oxide Synthase: Characterization of Key Intermediates and Elucidation of the Mechanism (Angew. Chem. Int. Ed. 48/2022)

The Role of Heme Peroxo Oxidants in the Rational Mechanistic Modeling of Nitric Oxide Synthase: Characterization of Key Intermediates and Elucidation of the Mechanism

The Role of Heme Peroxo Oxidants in the Rational Mechanistic Modeling of Nitric Oxide Synthase: Characterization of Key Intermediates and Elucidation of the Mechanism

Following Nature’s Footprint: Mimicking the High-Valent Heme-Oxo Mediated Indole Monooxygenation Reaction Landscape of Heme Enzymes

Bio-inspired nitrogen oxide (NOx) interconversion reactivities of synthetic heme Compound-I and Compound-II intermediates

Proton-coupled electron transfer reactivities of electronically divergent heme superoxide intermediates: a kinetic, thermodynamic, and theoretical study

Electronic Structure and Magnetic Properties of a Titanium(II) Coordination Complex

Modeling Tryptophan/Indoleamine 2,3-Dioxygenase with Heme Superoxide Mimics: Is Ferryl the Key Intermediate?

Collaborators (7)

Samith Buddhika Jayawardana Jayawardana

Timothy Jackson

Syun-Ru Yeh

Sam de Visser

Henrik Wong

Brad Pierce

Izumi Ishigami

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