Abstract

The drought-tolerant wild plant C. procera is important in medicine, industry and ornamental fields. Generally, its bark and leaves are used for many Folk medicine treatments. ATP4 (mitochondrion ATPase subunit 4), one of ATP gene family provides instructions for making transporter proteins called ATPases, which use energy from ATP molecule to move substances, such as fats, sugars, charged atoms or molecules (ions), and drugs, across the cell membranes. In this study, we uncovered and characterized ATP4 (ATP4, NCBI accession no. KP171515) gene in this medicinal plant from the de novo assembled transcriptome contigs of the high-throughput sequencing dataset. A number of GenBank accessions for ATP4 sequences were blasted with the recovered de novo assembled contigs. Homology modeling of the deduced amino acids was further carried out using Swiss-Model, accessible via the EXPASY. Superimposition of C. procera ATP4 full sequence model on Chain A, Subcomplex of the Stator of Bovine Mitochondrial ATP Synthase (PDB accession no. 2CLY_A) was constructed using RasMol and Deep-View programs. The functional domains of the novel ATP4 amino acids sequence were identified from the NCBI conserved domain data-base (CDD, accession no. cl21478) that provide insights into sequence structure/function relationships, as well as domain models imported from a number of external source databases (Pfam, SMART, COG, PRK, TIGRFAM).

Highlights

  • Ied from the NCBI conserved domain database (CDD, accession no. cl21478) that provide insights into sequence structure/function relationships, as well as domain models imported from a number of external source databases

  • These ATPases driven in reverse by a proton gradient have the capacity to interconvert electro- chemical energy into mechanical energy and into chemical energy conserved in the terminal bond of adenosine triphosphate (ATP)

  • In mammalian mitochondria these events occur on a larger complex or “nano-machine” called the “ATP synthasome” that consists of the ATP synthase in complex formation with carriers for Pi and ADP/ATP. (Pedersen, 2008)

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Summary

Objectives

We aimed to uncover and characterize mitochondrial ATP4 gene in this medicinal plant from the de novo assembled transcriptome contigs of a high-throughput sequencing dataset

Methods
Results
Conclusion

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