Abstract
Introduction: Acinetobacter baumannii is a gram negative coccobacilli often considered as a nosocomial pathogen and as an opportunistic pathogen in immunocompromised patients. It is considered to be multi-drug resistant and a potent bacteria forming vital biofilms. Ptk which is protein tyrosine kinase is a protein coding gene involved with the synthesis of capsular polysaccharide. Ocimum sanctum is a perennial plant belonging to the Lamiaceae family. Tulsi and holy basil are the common names of this plant. In-silico docking approach method is much more convenient and cost effective to assess the bioactive properties of the natural drugs against any target ligands.
 Aim: The aim of the study to assess the inhibitory effect of Ocimum sanctum bio-compounds against ptk of Acinetobacter baumannii using a computational approach.
 Materials and Methods: Retrieval of the structure of ptk was followed by Ligand preparation and optimisation. Further drug likeliness was assessed using Molinspiration parameters, docking simulations and visualisation for the binding energy and hydrogen bonds.
 Results: Among the bio compounds of O.sanctum, benzofuran is selected as an active inhibitory compound with -11.12 as its binding energy showing a high affinity.
 Conclusion: The findings of the present study documents benzofuran as the promising candidate to design novel drugs from O.sanctum and to target the ptk of A.baumannii. However further experimental validation must be done to observe its efficacy and safety in the treatment of nosocomial infections caused by A.baumannii.
Highlights
Acinetobacter baumannii is a gram negative coccobacilli often considered as a nosocomial pathogen and as an opportunistic pathogen in immunocompromised patients
Among the bio compounds of O.sanctum, benzofuran is selected as an active inhibitory compound with -11.12 as its binding energy showing a high affinity
Further experimental validation must be done to observe its efficacy and safety in the treatment of nosocomial infections caused by A.baumannii
Summary
Acinetobacter baumannii is a gram negative coccobacilli often considered as a nosocomial pathogen and as an opportunistic pathogen in immunocompromised patients. It is considered to be multi-drug resistant and a potent bacteria forming vital biofilms. Ptk which is protein tyrosine kinase is a protein coding gene involved with the synthesis of capsular polysaccharide. Aim: The aim of the study to assess the inhibitory effect of Ocimum sanctum bio-compounds against ptk of Acinetobacter baumannii using a computational approach. A.baumannii is considered to be among the top six drug resistant microbes [1]. A.baumannii is considered to be multi-drug resistant and a dangerous bacteria forming biofilm. The ptk gene which is protein tyrosine kinase is a protein coding gene involved with the synthesis of capsular polysaccharide. It is concentrated in local adhesions between cells growing in an extracellular matrix. The microbe has stealthily entered the oral cavity and acts as a potential pathogen by expressing various virulence factors [11]
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