Cystine-Knot Miniproteins

**Definition:** A structurally-related family of small proteins that form a stable tertiary fold pattern which is supported by a series of disulfide bonds. The arrangement of disulfide bonds between the CYSTEINE moieties results in a knotted structure which is unique to this family of proteins.

**Tree numbers:** - D12.644.132 - D12.776.217

**Synonyms:** - Knottin - Knottins