Immunogen sequence: YKLVCYYTSW SQYREGDGSC FPDALDRFLC THIIYSFANI SNDHIDTWEW NDVTLYGMLN TLKNRNPNLK TLLSVGGWNF GSQRFSKIAS NTQSRRTFIK SVPPFLRTHG FDGLDLAWLY PGRRDKQHFT TLIKEMKAEF IKEAQPGKKQ LLLSAALSAG KVTIDSSYDI AKISQHLDFI SIMTYDFHGA WRGTTGHHS
Positive Samples: THP-1, HT-29, U-87MG; Cellular Location: Cytoplasm, Endoplasmic reticulum, extracellular space, perinuclear region
Human cartilage glycoprotein 39 (GP-39), also known as YKL-40, is a glycoprotein secreted by articular chondrocytes, synoviocytes and macrophages. Serum and synovial fluid GP-39 levels are elevated in inflammatory diseases and correlate with the degree of joint destruction in rheumatoid arthritis. GP-39 is expressed in articular chondrocytes and synovial cells, as well as in liver, but is undetectable in muscle tissues, lung, pancreas, mononuclear cells and fibroblasts. GP-39 is a candidate autoantigen in rheumatoid arthritis and is important in the capacity of cells to respond to and cope with changes in their environment.
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Protein Aliases: 39 kDa synovial protein; Breast regression protein 39; BRP39 protein; Cartilage glycoprotein 39; CGP-39; CGP39; Chitinase 3 like protein 1CGP 39; chitinase 3-like 1; chitinase 3-like 1 (cartilage glycoprotein-39); chitinase 3-like 1 protein; Chitinase-3-like protein 1; DKFZp686N19119; FLJ38139; GP-39; hCGP39; YKL-40
Gene Aliases: ASRT7; AW208766; Brp39; CGP-39; CHI3L1; Chil1; GP-39; GP39; HC-gp39; hCGP-39; HCGP-3P; YKL-40; YKL40; YYL-40
Molecular Function: glycosidase