Docking Studies in Target Proteins Involved in Antibacterial Action Mechanisms: Extending the Knowledge on Standard Antibiotics to Antimicrobial Mushroom Compounds

Autor: Liliana G Oliveira, Ana F T Costa, Hugo J.C. Froufe, Maria José Alves, Rui M.V. Abreu, Anabela F Santos, Isabel C.F.R. Ferreira, Manuela Pintado, Sara R M Osório
Přispěvatelé: Veritati - Repositório Institucional da Universidade Católica Portuguesa
Jazyk: angličtina
Rok vydání: 2014
Předmět:
Zdroj: Molecules; Volume 19; Issue 2; Pages: 1672-1684
Molecules
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Molecules, Vol 19, Iss 2, Pp 1672-1684 (2014)
ISSN: 1420-3049
DOI: 10.3390/molecules19021672
Popis: In the present work, the knowledge on target proteins of standard antibiotics was extended to antimicrobial mushroom compounds. Docking studies were performed for 34 compounds in order to evaluate their affinity to bacterial proteins that are known targets for some antibiotics with different mechanism of action: inhibitors of cell wall synthesis, inhibitors of protein synthesis, inhibitors of nucleic acids synthesis and antimetabolites. After validation of the molecular docking approach, virtual screening of all the compounds was performed against penicillin binding protein 1a (PBP1a), alanine racemase (Alr), d-alanyl-d-alanine synthetase (Ddl), isoleucyl-tRNA sinthetase (IARS), DNA gyrase subunit B, topoisomerase IV (TopoIV), dihydropteroate synthetase (DHPS) and dihydrofolate reductase (DHFR) using AutoDock4. Overall, it seems that for the selected mushroom compounds (namely, enokipodins, ganomycins and austrocortiluteins) the main mechanism of the action is the inhibition of cell wall synthesis, being Alr and Ddl probable protein targets.
Databáze: OpenAIRE