1. School of Chemistry and Physics, Pietermaritzburg Campus, University of KwaZulu-Natal, Private Bag X01, Scottsville, 3209, South Africa
2. Faculty of Pharmacy, Rhodes University, Makhanda, 6140, South Africa
3. Research Unit in Bioinformatics (RUBi), Department of Biochemistry and Microbiology, Rhodes University, Makhanda, 6140, South Africa
4. Department of Biochemistry and Microbiology, Rhodes University, Makhanda, 6140, South Africa