Lympho-epithelial Kazal-type related inhibitor 2 (LEKTI-2) is a protein encoded by the SPINK9 gene in humans. LEKTI-2 is an inhibitor of KLK5, a serine protease expressed in the epidermis and responsible for coordinating skin homeostasis and desquamation. SPINK9 is a member of a gene family cluster located on chromosome 5q33.1, which includes SPINK5 and SPINK6.
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