About the Authors

Johan Christiaan Visser

Affiliation Department of Biochemistry, The University of Stellenbosch, Stellenbosch, South Africa

Dirk Uwe Bellstedt

Affiliation Department of Biochemistry, The University of Stellenbosch, Stellenbosch, South Africa

Michael David Pirie

mpirie@sun.ac.za

Affiliation Department of Biochemistry, The University of Stellenbosch, Stellenbosch, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MDP DUB. Performed the experiments: JCV. Analyzed the data: MDP JCV. Contributed reagents/materials/analysis tools: DUB. Wrote the paper: MDP JCV DUB.