PEPlife2: A Updated Repository of the Half-life of Peptides Article Swipe

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Urooj Alam , Kunal Chaudhary , Nishant Kumar , Ritu Tomer , Sumeet Patiyal , Gajendra P. S. Raghava ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.1101/2025.05.13.653654

This manuscript presents an updated version of PEPlife, a manually curated database that provides comprehensive information on peptide half-life. The updated version, PEPlife2, includes 4,412 entries, compared to 2,229 entries in the previous version. Each entry contains detailed information that include experimental methods used to determine half-life, chemical modifications, biological activity, routes of administration, and other relevant data. The database encompasses 402 proteins and 1,781 peptides, derived from 105 unique assays. In addition to natural peptide sequences, PEPlife2 includes cyclic peptides and chemically modified peptides, such as those with N- and C-terminal modifications. To provide structural insights, peptide and protein structures are sourced from the Protein Data Bank (PDB) or predicted using PEPstrMOD. To support the scientific community, we have developed a user-friendly interface and integrated advanced analytical tools, including BLAST, Smith-Waterman, GGSEARCH, CLUSTALW, and MUSTANG. The updated database is accessible at: https://webs.iiitd.edu.in/raghava/peplife2/ . Author’s Biography Urooj Alam is currently pursuing a Master’s degree in Computational Biology at the Department of Computational Biology, Indraprastha Institute of Information Technology, New Delhi, India. Kunal Chaudhary is working as Ph.D. in Computational biology from Department of Computational Biology, Indraprastha Institute of Information Technology, New Delhi, India Nishant Kumar is currently working as Ph.D. in Computational biology from Department of Computational Biology, Indraprastha Institute of Information Technology, New Delhi, India Ritu Tomer is currently working as Ph.D. in Computational biology from Department of Computational Biology, Indraprastha Institute of Information Technology, New Delhi, India Sumeet Patiyal is currently working as a postdoctoral visiting fellow Cancer Data Science Laboratory, National Cancer Institute, National Institutes of Health, Bethesda, Maryland, USA. Gajendra P. S. Raghava is currently working as Professor and Head of Department of Computational Biology, Indraprastha Institute of Information Technology, New Delhi, India.

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Type: preprint
Language: en
Landing Page: https://doi.org/10.1101/2025.05.13.653654
PDF: https://www.biorxiv.org/content/biorxiv/early/2025/05/16/2025.05.13.653654.full.pdf
OA Status: green
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DOI: https://doi.org/10.1101/2025.05.13.653654

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Title: PEPlife2: A Updated Repository of the Half-life of Peptides

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Type: preprint

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Language: en

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Publication year: 2025

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Publication date: 2025-05-16

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Authors: Urooj Alam, Kunal Chaudhary, Nishant Kumar, Ritu Tomer, Sumeet Patiyal, Gajendra P. S. Raghava

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Landing page: https://doi.org/10.1101/2025.05.13.653654

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