Abstract
The prevailing abiotic stresses, especially heat stress is of great significance on the growth of plants, yield and distribution. In the conditions of heat stress, plants modulate protein processes leading to development of heat tolerance. Of such proteins, the molecular chaperone functions of HSP70/HSC70 proteins are important where their enhanced expression positively correlates with the acquisition of heat tolerance. The key players in the regulation of such tailored protein responses of plants to heat stress are the phytohormones. In the present study, phytohormone mediated interaction of Pennisetum glaucum HSC70 (PgHSC70) protein was performed through docking studies involving sequence analysis, 3D modeling and model evaluation. In silico analysis has shown better interaction and good binding energy of PgHSC70 with the phytohormone brassinolide. Furthermore, the predicted structural information can be helpful for future studies on role of interaction between HSC70 and brassinolide in heat tolerance.
Highlights
As plants being sessile organisms, they are endlessly exposed to diverse climatic conditions like drought, salt, heat, flooding, and oxidative stress
Sequence retrieval and analysis: The sequence of Pennisetum glaucum HSC70 (PgHSC70) was retrieved in FASTA format from SWISS PROT database with Accession No: G0254653 and entry name: C7E6Z5_PENAM
The instability index is 34.52 which classify the protein as stable and the aliphatic index is 81.79 which indicate that this protein is thermostable
Summary
As plants being sessile organisms, they are endlessly exposed to diverse climatic conditions like drought, salt, heat, flooding, and oxidative stress. Sequence analysis, 3D structure modelling and validation of the target protein HSC70 were carried out. The phytohormone mediated interaction of PgHSC70 protein through in silico analysis showed good binding energy with brassinolide
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