ZINC Database: A Comprehensive Resource for Virtual Screening
In the realm of drug discovery and chemical research, the ability to efficiently screen millions of compounds is critical. The ZINC database (a recursive acronym for "ZINC is Not Commercial") serves as a vital tool for this purpose, providing a curated collection of commercially available chemical compounds specifically prepared for virtual screening—a computational technique used to search libraries of small molecules to identify those most likely to bind to a drug target.
Managed by the University of California San Francisco (UCSF), ZINC is primarily utilized by biologists and chemists within pharmaceutical companies, biotechnology firms, and academic research universities to accelerate the identification of potential lead compounds.
Key Facts
- Purpose: A curated collection of commercially available small molecules for virtual screening.
- Institution: Developed and maintained by the Irwin Lab and Shoichet Lab at the University of California San Francisco.
- Access: Free for all users via the ZINC website.
- Current Version: ZINC-22.
- Update Cycle: Continuously updated, with static subsets regenerated quarterly or more frequently.
- Primary Citation: PMID 26479676.
Database Management and Curation
The ZINC database is not a static archive but a living resource. It employs a continuous curation policy to ensure that the data remains accurate and relevant to current commercial availability. While the database is updated in real-time, specific static subsets are regenerated at least quarterly to provide stable benchmarks for researchers.
The project is led by John Irwin, Brian Shoichet, and a collaborative team of contributors. Their work ensures that the data types captured are optimized for the high-throughput demands of modern computational chemistry.
[ไม่มีภาพประกอบ]Technical Specifications and Access
ZINC is designed for accessibility and scalability. The current iteration, ZINC-22, continues the legacy of providing high-quality annotated small molecules. Because the database is free to use, it has become a standard resource in the global scientific community.
| Feature | Details |
|---|---|
| Developer | UCSF (Irwin Lab & Shoichet Lab) |
| Release Year | 2004 |
| License | Free (Redistribution of significant subsets requires permission) |
| Data Type | Annotated small molecules |
| Update Frequency | Continuous / Quarterly subsets |
Frequently Asked Questions
What is the primary use of the ZINC database?
ZINC is specifically designed for virtual screening, allowing researchers to identify commercially available small molecules that may serve as potential drug candidates.
Who maintains the ZINC database?
The database is maintained by the Irwin Lab and Shoichet Lab at the University of California San Francisco (UCSF).
Is the ZINC database free to use?
Yes, ZINC is free for everyone. However, if you intend to redistribute significant subsets of the data, you must obtain written permission from the authors.
How often is the data updated?
The database is continuously curated and updated, while static subsets are regenerated on a quarterly basis or better.
What is the current version of the database?
The current version is ZINC-22.