catalytic activity:Specificity similar to chymotrypsin C.,enzyme regulation:Inhibited by soybean trypsin inhibitor, benzamidine, the synthetic peptide R13K, Z-Gly-Leu-Phe-CH2Cl and phenylmethylsulfonyl fluoride. Inhibited by LPS from P.aeruginosa but not by LPS from S.minnesota.,function:Serine protease with trypsin- and chymotrypsin-like specificity. Has antibacterial activity against the Gram-nagative bacterium P.aeruginosa, antibacterial activity is inhibited by LPS from P.aeruginosa, Z-Gly-Leu-Phe-CH2Cl and phenylmethylsulfonyl fluoride.,similarity:Belongs to the peptidase S1 family.,similarity:Contains 1 peptidase S1 domain.,
Cell membrane ; Peripheral membrane protein . Cytoplasmic granule . Secreted . Cytoplasm, cytosol . Lysosome . Nucleus . Secreted by activated neutrophils (PubMed:3390156). Detected in synovial fluid (PubMed:32144329). Localizes to lysosomes in B cells where it is not endogenously synthesized but is internalized from the cell membrane (PubMed:15100291). Localizes to the nucleus during apoptosis (PubMed:11259672). .
Expressed in neutrophils (at protein level) (PubMed:3799965). Expressed in B cells (PubMed:15100291).
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