{"id":{"repo_id":"western-cape","oai_identifier":"oai:uwcscholar.uwc.ac.za:10566/21013"},"canonical_url":"https://search.dev.ndltd.org/etd/western-cape/oai:uwcscholar.uwc.ac.za:10566/21013","repository":{"repo_id":"western-cape","name":"University of the Western Cape","base_url":"https://uwcscholar.uwc.ac.za:8443/server/oai/request"},"display":{"title":"Three-Dimensional (3D) pharmacophore-based identification of possible ATP-synthase inhibitors for mycobacterium tuberculosis (Mtb)","abstract":"Tuberculosis (TB) is defined as a chronic infectious disease caused by the air-borne transmission of Mycobacterium tuberculosis (Mtb). Due to high prevalence of Mtb in South Africa, it is classified as a high burden country by the World Health Organization (WHO). Multi-drug resistant TB (MDR-TB) strains display a resistance to both Isoniazid and Rifampicin, while extensively drug resistant (XDR-TB) includes resistance to fluoroquinolone as well as other second- line drugs (Capreomycin, Kanamycin and Amikacin). Bedaquiline (BDQ) is a diarylquinoline aimed at inhibiting the adenosine triphosphate (ATP) synthase of MDR-TB, thereby targeting the energy metabolism mechanism of Mtb. Drug regimens utilized prior to BDQ have shown low success rates in patients with XDR-TB. The technologies of computer-aided drug discovery (CADD) has proven to be a powerful tool in reducing costs, as well as time, and ensures the efficiency of lead compound identification. CADD can be divided into two categories; structure-based (SB) and ligand-based (LB) drug discovery. The categories are employed are based on the input data; in this study the LB method was employed as the known descriptors were found to inhibit Mtb ATP-synthase. 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Drug regimens utilized prior to BDQ have shown low success rates in patients with XDR-TB. The technologies of computer-aided drug discovery (CADD) has proven to be a powerful tool in reducing costs, as well as time, and ensures the efficiency of lead compound identification. CADD can be divided into two categories; structure-based (SB) and ligand-based (LB) drug discovery. The categories are employed are based on the input data; in this study the LB method was employed as the known descriptors were found to inhibit Mtb ATP-synthase. These descriptors (ligands) were then used to generate pharmacophore models of varying quality and features. 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