Background: White birch and hazel allergens, namely Bet v1 and Cor a1 are known allergens, but their allergen specificity is not yet characterized. Objective: To map the antigenic determinants responsible for IgE binding utilizing in silico modelling and docking of the peptides against IgE antibody. Methods: The antigen sequences were cut into peptides are docked against the IgE antibody and those with the highest docking scores are further studied for the bond interactions. The overlapping sequences of the high score peptides are observed in the whole antigen model to predict their position. The residues at bond interactions also been reported for these overlapping peptide sequences. Results: The validation is done by antigen-antibody docking studies to confirm the predicted epitope. 25% of the world population suffers from allergic rhinitis and 15% of them develop asthma. Conclusion: Negative binding energies of the studied pollen allergens with IgE confirm their allergenicity. Based on the results of overlapping peptides PF 3,4 and PF 16,17 to play a key role in the allergenic response of white birch and Common hazel.

Background: Phytocompounds in medicinal plants have a wide range of properties and are alternative medicines for those who cannot be helped by conventional medicine. Objective: In this work we have selected bioactive compounds from Hemidesmus indicus medicinal plant extracts. Methods: Gas chromatography and Mass spectrum studies were studied to identify the compounds present in the ethanolic extracts based on the retention time and area. Results: The identified compounds were used for anti-cancer activity by insilico method with BCL-2 which plays prominent role in causing cancer. Conclusion: Out of twenty selected compounds, docking results showedMethyl-1-Cyclohexane carboxylate and 1,2-diacetoxy-5-idohexane as best docked to the BCL-2.

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