: Use the RCSB Protein Data Bank to download validated coordinates, sequences (FASTA), and ligands for structural biology research.

: Offers a comprehensive suite of tools for sequence analysis and antibody screening. 2. Working with Public Data Files

If you are downloading .rar or .zip files containing actual biological data (not software), use these official repositories to ensure the data is "clean" and legitimate:

Many of these RARs come with passwords to prevent antivirus software from scanning the contents.

Archives labeled as "cracks" are a primary vector for and spyware .

: For proteomics datasets, follow the Data Submission Guidelines to access reprocessed and standardized datasets.