: Type the protein name (e.g., "keratin") or accession number into the search bar and hit Search .
If you have a list of specific accession numbers, use the NCBI Batch Entrez tool. how to download protein fasta sequence from ncbi
This is the fastest method if you already have a protein name or accession number. : Type the protein name (e
: Click on the specific protein entry from the results list that matches your organism and version of interest. : Click on the specific protein entry from
: On the protein's summary page, look for the FASTA link (usually located just below the protein name or in the "Run BLAST" section) and click it. Download the File : Click the Send to button in the upper right corner. Choose File as the destination. Select FASTA from the Format dropdown menu. Click Create File to save it to your computer. Method 2: Bulk Download (Batch Entrez)
: Go to the NCBI Homepage and select Protein from the "All Databases" dropdown menu.
To download a protein FASTA sequence from the , you can use the web interface for single or multiple entries, or specialized tools like Batch Entrez and E-utilities for larger datasets . Method 1: Direct Download (Single Sequence)