May act as a papain-like cysteine protease inhibitor to modulate the host immune response against tumor cells. Also functions as an inhibitor of UV-induced apoptosis via suppression of the activity of c-Jun NH(2)-terminal kinase (JNK1). [UniProt]
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: Protein T4-A; SCCA-1; serine (or cysteine) proteinase inhibitor, clade B (ovalbumin), member 3; serine protease inhibitor B3; Serpin B3; serpin family B member 3; serpin peptidase inhibitor, clade B (ovalbumin), member 3; serpin peptidase inhibitor, clade B (ovalbumin), member 4; spb3; Squamous cell carcinoma antigen 1
Gene Aliases: HsT1196; SCC; SCCA; SCCA-1; SCCA-PD; SCCA1; SERPINB3; SERPINB4; SSCA1; T4-A
UniProt ID: (Human) P29508
Molecular Function: protease inhibitor