Description

A. Bairoch and R. Apweiler. (2000) The SWISS-PROT protein sequence database and its supplement TrEMBL in 2000. Nucleic Acids Res, 28:45–48.

**A. Bairoch and R. Apweiler. (2000) The SWISS‑PROT protein sequence database and its supplement TrEMBL in 2000. Nucleic Acids Res, 28:45–48.**

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When you first encounter the citation above, it might look like any other reference in a scientific paper. Yet, for anyone interested in **bioinformatics**, **protein research**, or the history of **sequence databases**, this landmark publication marks a pivotal moment in the evolution of biological data management. In this post we’ll unpack why the 2000 paper by Bairoch and Apweiler remains a cornerstone for researchers worldwide, explore the core features of **SWISS‑PROT** and its companion **TrEMBL**, and highlight how these resources continue to shape modern **genomics** and **proteomics**.

### The Birth of a Gold Standard: SWISS‑PROT

SWISS‑PROT was launched in the early 1980s as a manually curated protein sequence database. By the turn of the millennium, it had already earned a reputation for **high-quality annotation**, **accurate protein names**, and **consistent functional classification**. The 2000 article emphasized several key strengths that set SWISS‑PROT apart:

1. **Manual Curation:** Expert biologists reviewed each entry, ensuring reliable functional descriptions, domain annotations, and post‑translational modification data.
2. **Cross‑References:** Links to other databases—such as **PDB**, **EMBL**, and **Gene Ontology**—provided a web of interconnected information.
3. **Version Control:** Every entry was version‑tracked, allowing researchers to trace the history of updates and corrections.

These qualities made SWISS‑PROT the go‑to reference for **protein sequence analysis**, **drug discovery**, and **comparative genomics**.

### TrEMBL: The High‑Throughput Counterpart

While manual curation guarantees precision, the explosion of sequencing projects in the late 1990s demanded a faster, more scalable solution. Enter **TrEMBL** (Translated EMBL), the supplement that automatically translated nucleotide entries from the EMBL database into protein sequences. The 2000 paper highlighted several advantages of TrEMBL:

– **Rapid Integration:** New protein sequences could be added within days of their appearance in EMBL, keeping the resource current.
– **Automated Annotation:** Computational pipelines supplied preliminary functional predictions, which were later refined by curators.
– **Large Coverage:** TrEMBL dramatically expanded the total number of entries, complementing the meticulously curated SWISS‑PROT set.

Together, SWISS‑PROT and TrEMBL formed a hybrid ecosystem—**high quality** meets **high throughput**—that allowed scientists to balance depth and breadth in their analyses.

### Impact on Modern Research

Fast forward two decades, and the legacy of Bairoch and Apweiler’s work is evident in several ways:

– **UniProt Knowledgebase (UniProtKB):** In 2002, SWISS‑PROT and TrEMBL merged into UniProtKB, preserving the dual‑track approach while adding richer metadata, improved search tools, and a unified web interface.
– **Machine Learning Applications:** The curated data from SWISS‑PROT serves as a gold standard training set for **deep learning models** predicting protein structure (e.g., AlphaFold) and function.
– **Clinical Diagnostics:** Accurate protein annotations are critical for interpreting **variant pathogenicity** in precision medicine, making SWISS‑PROT a trusted resource for clinicians and genetic counselors.

### Why the 2000 Citation Still Matters for SEO

If you’re writing about **protein databases**, **bioinformatics tools**, or **sequence annotation**, referencing the 2000 Bairoch & Apweiler paper signals authority and historical context—two factors that search engines reward. Including natural keywords such as *SWISS‑PROT*, *TrEMBL*, *protein sequence database*, *bioinformatics*, *genomics*, and *proteomics* helps your article rank higher for researchers and students searching for reliable information.

### Takeaway: A Timeless Resource for a Dynamic Field

The 2000 publication is more than a bibliographic entry; it captures a turning point when manual expertise and automated pipelines began to coexist in harmony. Whether you’re a seasoned bioinformatician, a graduate student embarking on a protein‑function project, or a science communicator looking for credible sources, understanding the origins and evolution of SWISS‑PROT and TrEMBL equips you with a richer perspective on today’s **data‑driven biology**.

**Keywords:** SWISS‑PROT, TrEMBL, protein sequence database, bioinformatics, protein annotation, UniProtKB, genomics, proteomics, sequence analysis, Nucleic Acids Research, Bairoch Apweiler 2000, protein research, data curation, scientific databases.