The simplest way to get FASTA data for a specific protein or a small search result is through the official web interface.
Search for your protein (e.g., "Insulin") and click on the entry. Once on the protein page, click the Download button in the header and select "FASTA (canonical)". download fasta uniprot
Here is a comprehensive guide to retrieving sequences through the website, programmatic APIs, and bulk download tools. 1. Direct Download via UniProt Website The simplest way to get FASTA data for