Serine Peptidase Inhibitors, Kazal Type

**Definition:** A family of serine peptidase inhibitors that occur in animals, some single-cell eukaryotes, and higher plants. They contain variable numbers of KAZAL MOTIFS and inhibit SERINE ENDOPEPTIDASES such as ACROSIN and TRYPSIN.

**Tree numbers:** - D12.644.822.750 - D12.776.815.688 - D27.505.519.389.745.800.562

**Synonyms:** - Serine Protease Inhibitors, Kazal Type - SPINK Family Proteins