PDB to FASTA converter

Extract amino acid sequences from PDB protein structure files. Upload a PDB file or paste the structure data below.

Input (PDB format)

PDB

Or fetch by PDB ID

Enter a 4-character PDB ID to fetch the structure from RCSB database

Click to upload or drag and drop

PDB file (.pdb, .ent)

Max size: 50MB

Advanced conversion options

Chain selection

All chainsSpecific chains

Include heteroatoms (non-standard residues)

Output (FASTA format)

FASTA