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Updated: Aug 28, 2025

An Integrated Approach for Microprotein Identification and Sequence Analysis
Published on: July 12, 2022
BESFA: bioinformatics based evolutionary, structural & functional analysis of prostrate, Placenta, Ovary, Testis, and
Sahar Qazi1,2, Bimal Prasad Jit1, Abhishek Das1
1Department of Biochemistry, All India Institute of Medical Sciences, Delhi 110029, India.
The POTE gene family, found in reproductive tissues and cancer cells, shows potential as a new cancer biomarker. Specific POTE paralogs, POTEE and POTEF, exhibit strong binding affinities with anticancer drugs, suggesting new therapeutic avenues.
Area of Science:
- Genomics
- Molecular Biology
- Biochemistry
Background:
- The POTE gene family consists of 14 paralogs with primary expression in the prostate, placenta, ovary, testis, and embryo (POTE), as well as in cancerous cells.
- The physiological functions of the POTE protein family remain largely uncharacterized.
Purpose of the Study:
- To systematically analyze the cellular localization and molecular docking of POTE proteins.
- To elucidate the structure, function, and adaptive divergence of the POTE protein family.
- To identify potential therapeutic applications of POTE genes in cancer treatment.
Main Methods:
- Systematic analysis of POTE protein cellular localization.
- Molecular docking analysis of POTE proteins with NCI-approved anticancer compounds.
- Molecular dynamic simulations (50ns) for specific POTE paralogs (POTEE, POTEF, POTEI, POTEJ).
- Calculation of MM-GBSA and other electrostatic properties to determine binding affinities.
Main Results:
- Group three POTE paralogs (POTEE, POTEF, POTEI, POTEJ, and POTEKP) display significant variations, suggesting adaptive divergence.
- Molecular docking revealed high binding affinity between POTE proteins and NCI-approved anticancer compounds.
- Molecular dynamic simulations indicated that POTEE and POTEF possess absolute binding affinities with minimal energy requirements.
Conclusions:
- The POTE gene family, particularly POTEE and POTEF, shows promise as a novel biomarker for cancer research.
- The identified binding affinities suggest potential for developing new cancer therapies targeting the POTE family.
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