Anti-Cathepsin G antibody

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Serine protease with trypsin- and chymotrypsin-like specificity (PubMed : 29652924, PubMed : 8194606). Also displays antibacterial activity against Gram-negative and Gram-positive bacteria independent of its protease activity (PubMed : 2116408, PubMed : 2117044). Prefers Phe and Tyr residues in the P1 position of substrates but also cleaves efficiently after Trp and Leu (PubMed : 29652924). Shows a preference for negatively charged amino acids in the P2' position and for aliphatic amino acids both upstream and downstream of the cleavage site (PubMed : 29652924). Required for recruitment and activation of platelets which is mediated by the F2RL3/PAR4 platelet receptor (PubMed : 10702240, PubMed : 3390156). Binds reversibly to and stimulates B cells and CD4(+) and CD8(+) T cells (PubMed : 7842483, PubMed : 9000539). Also binds reversibly to natural killer (NK) cells and enhances NK cell cytotoxicity through its protease activity (PubMed : 9000539, PubMed : 9536127). Cleaves complement C3 (PubMed : 1861080). Cleaves vimentin (By similarity). Cleaves thrombin receptor F2R/PAR1 and acts as either an agonist or an inhibitor, depending on the F2R cleavage site (PubMed : 10702240, PubMed : 7744748). Cleavage of F2R at '41-Arg-|-Ser-42' results in receptor activation while cleavage at '55-Phe-|-Trp-56' results in inhibition of receptor activation (PubMed : 7744748). Cleaves the synovial mucin-type protein PRG4/lubricin (PubMed : 32144329). Cleaves and activates IL36G which promotes expression of chemokines CXCL1 and CXLC8 in keratinocytes (PubMed : 30804664). Cleaves IL33 into mature forms which have greater activity than the unprocessed form (PubMed : 22307629). Cleaves coagulation factor F8 to produce a partially activated form (PubMed : 18217133). Also cleaves and activates coagulation factor F10 (PubMed : 8920993). Cleaves leukocyte cell surface protein SPN/CD43 to release its extracellular domain and trigger its intramembrane proteolysis by gamma-secretase, releasing the CD43 cytoplasmic tail chain (CD43-ct) which translocates to the nucleus (PubMed : 18586676). Cleaves CCL5/RANTES to produce RANTES(4-68) lacking the N-terminal three amino acids which exhibits reduced chemotactic and antiviral activities (PubMed : 16963625). During apoptosis, cleaves SMARCA2/BRM to produce a 160 kDa cleavage product which localizes to the cytosol (PubMed : 11259672). Cleaves myelin basic protein MBP in B cell lysosomes at '224-Phe-|-Lys-225' and '248-Phe-|-Ser-249', degrading the major immunogenic MBP epitope and preventing the activation of MBP-specific autoreactive T cells (PubMed : 15100291). Cleaves annexin ANXA1 and antimicrobial peptide CAMP to produce peptides which act on neutrophil N-formyl peptide receptors to enhance the release of CXCL2 (PubMed : 22879591). Acts as a ligand for the N-formyl peptide receptor FPR1, enhancing phagocyte chemotaxis (PubMed : 15210802). Has antibacterial activity against the Gram-negative bacteria N.gonorrhoeae and P.aeruginosa (PubMed : 1937776, PubMed : 2116408). Likely to act against N.gonorrhoeae by interacting with N.gonorrhoeae penA/PBP2 (PubMed : 2126324). Exhibits potent antimicrobial activity against the Gram-positive bacterium L.monocytogenes (PubMed : 2117044). Has antibacterial activity against the Gram-positive bacterium S.aureus and degrades S.aureus biofilms, allowing polymorphonuclear leukocytes to penetrate the biofilm and phagocytose bacteria (PubMed : 2117044, PubMed : 32995850). Has antibacterial activity against M.tuberculosis (PubMed : 15385470). Mediates CASP4 activation induced by the Td92 surface protein of the periodontal pathogen T.denticola, causing production and secretion of IL1A and leading to pyroptosis of gingival fibroblasts (PubMed : 29077095). Induces platelet aggregation which is strongly potentiated in the presence of ELANE (PubMed : 25211214, PubMed : 9111081).

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Cathepsin G, CG, CTSG