# Proteosign

> application

**Wikidata**: [Q109500026](https://www.wikidata.org/wiki/Q109500026)  
**Source**: https://4ort.xyz/entity/proteosign

## Summary
Proteosign is an end-user online application designed for differential proteomics statistical analysis. It functions as a software tool that allows researchers to process and analyze proteomic data through a web-based interface. The platform is a component of the ELIXIR Greece research infrastructure.

## Key Facts
*   **Classification:** Proteosign is an instance of a software application.
*   **Primary Function:** It serves as an online platform for differential proteomics statistical analysis.
*   **Affiliation:** The application is part of **ELIXIR Greece**, the Greek node of the European life-science infrastructure.
*   **Access Point:** The tool is accessible via the website `http://bioinformatics.med.uoc.gr/ProteoSign/`.
*   **Source Description:** It is formally described by the source "ProteoSign: an end-user online differential proteomics statistical analysis platform."
*   **Target Audience:** It is designed specifically for end-users, implying a focus on usability for researchers without requiring extensive local computational setups.

## FAQs
### Q: What is Proteosign used for?
A: Proteosign is used for performing differential proteomics statistical analysis. It provides an online environment for end-users to analyze proteomic data.

### Q: Who provides Proteosign?
A: Proteosign is part of ELIXIR Greece, which is the Greek node of the European Research Infrastructure for biological data.

### Q: How can Proteosign be accessed?
A: Proteosign is an online application that can be accessed through its dedicated website at `http://bioinformatics.med.uoc.gr/ProteoSign/`.

## Why It Matters
Proteosign addresses a critical need in the field of proteomics by providing a specialized, web-based platform for statistical analysis. Proteomics experiments generate vast amounts of complex data requiring rigorous statistical validation to identify changes in protein abundance between different conditions (differential analysis). By offering this capability as an online application, Proteosign lowers the barrier to entry for researchers who may lack the bioinformatics expertise or computational resources to install and run complex local statistical software.

Its integration into ELIXIR Greece further underscores its significance, placing it within a pan-European network of life-science resources. This affiliation suggests that the tool meets specific standards for data management and accessibility, supporting the broader scientific community in understanding protein functions and interactions. The platform streamlines the workflow from raw data to statistical insight, accelerating the pace of biological discovery and medical research.

## Notable For
*   **Specialization:** Specifically tailored for differential proteomics statistical analysis, distinguishing it from general-purpose statistical software.
*   **Accessibility:** Being an online application, it removes installation barriers and provides remote access to analysis tools.
*   **Infrastructure Integration:** It is a recognized component of the ELIXIR Greece infrastructure, connecting it to a wider network of European biological data resources.
*   **User-Centric Design:** Categorized explicitly as an application designed for "end-users," focusing on ease of use for scientists.

## Body
### Application Classification
Proteosign is technically classified as a software **application**. In the context of computing, this refers to a program or group of programs designed for end-users to perform specific tasks. Unlike backend infrastructure or middleware, Proteosign is a user-facing tool intended for direct interaction by researchers.

### Functionality and Scope
The primary utility of Proteosign is found in **differential proteomics statistical analysis**. This involves comparing protein expression levels across different samples to identify statistically significant changes. The platform is described as an "end-user online" tool, indicating that it is hosted on a server and accessed via a network connection, rather than being a locally installed software package.

### Organizational Context
Proteosign operates under the umbrella of **ELIXIR Greece**. ELIXIR is a European intergovernmental organization that coordinates and integrates research infrastructure for life-science data. The inclusion of Proteosign in the ELIXIR Greece portfolio highlights its role as a resource for the scientific community, ensuring that proteomics data analysis tools are available and sustainable. The platform is hosted at the University of Crete, as evidenced by its web address.

### References
*   The application is explicitly described in the source titled: *ProteoSign: an end-user online differential proteomics statistical analysis platform*.
*   ELIXIR Greece membership was verified and referenced on November 10, 2021.

## References

1. [Source](http://www.elixir-europe.org/about-us/who-we-are/nodes/greece)