Allium sativum commonly known as Garlic is a familiar herb, highly studied for its valuable medicinal properties. The main objective involved in the current research is to analyze inhibitor and antibacterial action of bioactive compounds (ligands) present in the methanolic extract of Allium sativum bulbs against phytopathogen protein (receptor) through molecular docking. The effector protein AvrRps4 (4B6X) from phytopathogen Pseudomonas syringae pv. pisi, a protein responsible for Effector triggered immunity (ETI) activation and to subvert host responses in Pea plant was selected as protein target. The docking interactions between opted ligands and target protein, with ampicillin as control was done using Pyrx software tool and analysed using Discovery studio 3.1 Visualiser. The outcomes obtained from in silico analysis suggested that the bioactive compound namely Diethyl 3-methyl-5-[(2,2,2-trifluoroacetyl)amino]thiophene-2,4-dicarboxylate bind effectively showing -5.7 binding energy value in comparison with antibiotic ampicillin which showed binding energy -5.8 value. This research study concluded that the bioactive compounds from methanolic extract of Allium sativum bulbs displayed a potential inhibitory activity against effector AvrRps4 protein exhibiting antibacterial properties and may be considered as possible substantial lead molecules in future prospects.