# virtual screening

> academic discipline in cheminformatics

**Wikidata**: [Q4112105](https://www.wikidata.org/wiki/Q4112105)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Virtual_screening)  
**Source**: https://4ort.xyz/entity/virtual-screening

## Summary
Virtual screening is an academic discipline within the field of cheminformatics. It is a computational technique used to search large libraries of small molecules in order to identify those structures which are most likely to bind to a drug target, typically a protein or enzyme. This method is a key part of computer-aided drug design.

## Key Facts
- **Classification:** Academic discipline
- **Parent Field:** A subclass of cheminformatics, which is an interdisciplinary science.
- **Primary Application:** Used for in-silico (computational) drug design.
- **Related Project:** The European project Exscalate4Cov, which uses supercomputing and in-silico drug design for urgent scenarios like pandemics.
- **International Recognition:** The topic has a Wikipedia presence in 11 languages, including English, Japanese, Spanish, and Russian.
- **Japanese Alias:** バーチャル・スクリーニング
- **Database ID (Freebase):** /m/025tl5f

## FAQs
### Q: What field of study is virtual screening part of?
A: Virtual screening is an academic discipline and a subclass of cheminformatics, an interdisciplinary science that combines chemistry, computer science, and information science.

### Q: What is a real-world application of virtual screening?
A: The European project Exscalate4Cov provides an example of its application. The project leverages supercomputers and in-silico drug design techniques, like virtual screening, to rapidly respond to urgent public health crises such as pandemics.

### Q: Is virtual screening a physical or computational process?
A: Virtual screening is a purely computational, or *in-silico*, process. It uses computer simulations to predict how well different molecules might interact with a biological target, rather than performing physical experiments in a laboratory.

## Why It Matters
Virtual screening is significant because it dramatically accelerates the early stages of drug discovery, making the process faster, cheaper, and more efficient. Traditionally, identifying promising drug candidates required physically synthesizing and testing thousands or millions of chemical compounds in a lab, a slow and expensive undertaking. Virtual screening solves this problem by using computational power to rapidly sift through vast digital libraries of molecules.

By simulating the interactions between molecules and a biological target (like a virus protein), this technique can quickly eliminate unpromising compounds and prioritize a smaller, more manageable number of high-potential candidates for physical testing. This computational filtering is crucial in modern pharmaceutical research and is especially vital in urgent public health scenarios, such as pandemics, where speed in finding effective treatments is critical.

## Notable For
- **Computational Filtering:** Its primary function is to computationally screen massive libraries of chemical compounds to identify potential drug candidates, reducing the need for expensive and time-consuming physical screening.
- **Role in Urgent Computing:** It is a key technology in projects like Exscalate4Cov, which apply supercomputing power to drug design challenges in time-sensitive situations like pandemics.
- **Academic Specialization:** It is formally recognized as a distinct academic discipline within the broader interdisciplinary science of cheminformatics.
- **Broad International Scope:** The concept is well-established globally, with dedicated encyclopedia entries and a Wikipedia presence in 11 different languages.

## Body
### Classification and Hierarchy
Virtual screening is formally classified as an **academic discipline**. It is considered a **subclass of cheminformatics**, which is an interdisciplinary science at the intersection of chemistry and computer science.

### Applications and Related Fields
The primary application of virtual screening is in **in-silico drug design**. It is a computational method rather than a laboratory one. A notable related initiative is **Exscalate4Cov**, a European project that utilizes supercomputers for in-silico drug design to address urgent computing scenarios, including pandemics. This highlights the role of virtual screening in high-performance computing and rapid-response public health efforts.

### Identifiers and Cross-Reference
Virtual screening is indexed across multiple academic and knowledge databases.
- **Wikipedia Title:** Virtual screening
- **Wikipedia Languages:** ar, ca, cs, en, es, he, ja, ko, pl, ru
- **Japanese Alias:** バーチャル・スクリーニング
- **Freebase ID:** /m/025tl5f
- **Quora Topic:** Virtual-Screening
- **Microsoft Academic ID (discontinued):** 103697762
- **Encyclopedia of China (Third Edition) ID:** 190360

## References

1. Freebase Data Dumps. 2013
2. Quora
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)