The protein encoded by this gene is a member of the serpin superfamily, and ovalbumin-serpin subfamily. It was originally discovered as a placental thrombin inhibitor. The mouse homolog was found to be expressed in the hair cells of the inner ear. Mutations in this gene are associated with nonsyndromic progressive hearing loss, suggesting that this serpin plays an important role in the inner ear in the protection against leakage of lysosomal content during stress, and that loss of this protection results in cell death and sensorineural hearing loss. Alternatively spliced transcript variants have been found for this gene.
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Protein Aliases: CAP; Cytoplasmic antiproteinase; DKFZp686I04222; MGC111370; MSTP057; Peptidase inhibitor 6; PI-6; PI6; Placental thrombin inhibitor; protease inhibitor 6 (placental thrombin inhibitor); Proteinase inhibitor 6; PTI; serine (or cysteine) proteinase inhibitor, clade B (ovalbumin), member 6; serine (or cysteine) proteinase inhibitor, clade B, member 6a; serine protease inhibitor 3; Serpin B6; serpin peptidase inhibitor, clade B (ovalbumin), member 6; SERPINB6
Gene Aliases: 4930482L21Rik; CAP; D330015H01Rik; DFNB91; MSTP057; ovalbumin; PI-6; PI6; PTI; SERPINB6; Serpinb6a; SPI3