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Hemolytik 2: An Updated Database of Hemolytic Peptides and Proteins

Ayushi Singh1, Kavin Raj Sa1, Anand Singh Rathore1

  • 1Department of Computational Biology, Indraprastha Institute of Information Technology, Okhla Phase 3, New Delhi 110020, India.

Chemical Research in Toxicology
|January 12, 2026
PubMed

Insights

Hemolytik 2.0 is an updated database of validated hemolytic and nonhemolytic peptides. It aids researchers in designing safer therapeutic peptides by providing comprehensive data and analysis tools.

Area of Science:

  • Biochemistry
  • Bioinformatics
  • Drug Discovery

Background:

  • Hemolytic peptides pose challenges in therapeutic applications.
  • Accurate data on peptide hemolytic activity is crucial for drug development.
  • Existing resources may lack comprehensive, curated information.

Purpose of the Study:

  • To present Hemolytik 2.0, an enhanced manually curated database of experimentally validated hemolytic and nonhemolytic peptides.
  • To facilitate the identification and optimization of therapeutic peptides with reduced hemolytic potential.
  • To provide programmatic access to peptide data through a RESTful API.

Main Methods:

  • Manual curation of data from peer-reviewed literature and established peptide repositories.
  • Extraction of detailed annotations including sequence, source, activity, and structural information.
  • Integration of molecular representations (SMILES) and predicted structures.

Main Results:

  • Hemolytik 2.0 contains 13,215 entries from 1645 articles, covering 7534 unique peptides.
  • Each entry includes comprehensive annotations on peptide properties and experimentally determined hemolytic activity.
  • A RESTful API and downloadable data formats (e.g., on GitHub) are available.

Conclusions:

  • Hemolytik 2.0 is a valuable, updated resource for researchers in peptide therapeutics.
  • The database supports the design of safer peptide candidates by providing critical hemolytic activity data.
  • Programmatic access and diverse data formats enhance the utility for scientific research.

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