Elafin

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Elafin (117 aa, ~12 kDa) is encoded by the human PI3 gene. This protein plays a role in the inhibition of neutrophil and pancreatic elastase proteinase activity.

**Synonyms:** - ESI - Elastase-Specific Inhibitor - PI-3 - PI3 - Peptidase Inhibitor 3 - Protease Inhibitor WAP3 - SKALP - Skin-Derived Antileukoproteinase - Trappin-2 - WAP Four-Disulfide Core Domain Protein 14