Protein Knots
The knot server allows the user to check pdb entries or uploaded structures for knots and to visualize them. The size of a knot is determined by deleting amino acids from both ends. This procedure is, however, not perfect and the resulting size should only be treated as a guideline.

Please enter pdb id (e.g. 1v2x):

Or upload file (pdb or mmCIF):

List of known knots
How we define knots


Questions about particular knots? Contact Peter Virnau.

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