Upload Protein Structure

Drag and drop your .pdb or .cif file to begin analysis, or browse your system. Supports compressed archives up to 100 MB.

Try Demo Proteins

Click any demo protein to load it, then click "Analyze Structure"

Upload Protein Structure

Drag & drop your protein structure here or click to browse your device.

Drag & drop your protein structure

…or click to browse your device.

  • Files remain local to your session (nothing uploaded to server).
  • Supports PDB, CIF, and mmCIF formats; structure type is auto-detected.
  • You can also paste a PDB ID (e.g., 1UBQ) to fetch from RCSB.
  • 🔍No file handy? Use the Demo Protein button to try it instantly.
Choose a file to begin analysis