Primary structure of human neutrophil elastase.
نویسندگان
چکیده
منابع مشابه
Primary structure of human neutrophil elastase.
The complete amino acid sequence of human neutrophil elastase has been determined. The protein consists of 218 amino acid residues, contains two asparagine-linked carbohydrate side chains, and is joined together by four disulfide bonds. Comparison of the sequence to other serine proteinases indicates only moderate homology with porcine pancreatic elastase (43.0%) or neutrophil cathepsin G (37.2...
متن کاملStructure of the human neutrophil elastase gene.
The gene for human neutrophil elastase (NE), a powerful serine protease carried by blood neutrophils and capable of destroying most connective tissue proteins, was cloned from a genomic DNA library of a normal individual. The NE gene consists of 5 exons and 4 introns included in a single copy 4-kilobase segment of chromosome 11 at q14. The coding exons of the NE gene predict a primary translati...
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Human neutrophil elastase was inactivated by methoxysuccinyl-L-Ala-L-Ala-L-Pro-L-Ala-chloromethane. The modified enzyme was crystallized from 40 mM ammonium phosphate, pH 7.0 in the hexagonal space group P6(3) with unit cell parameters a = 74.53 A, b = 74.53 A, c = 70.88 A, alpha = beta = 90 degrees, gamma = 120 degrees. These crystals were resistant to radiation damage and diffracted beyond 1....
متن کاملHuman Neutrophil Elastase Modulates Platelet Function
During blood coagulation human polymorphonuclear leukocytes release elastase in amounts that can exceed 100 nmol/liter. We therefore studied the effect of elastase on platelet structure and function. Physiologic concentrations of elastase specifically inhibited thrombin-induced platelet aggregation and ristocetininduced agglutination of washed platelets in a timeand dosedependent manner. This w...
متن کاملHuman neutrophil elastase in RSV bronchiolitis.
Acute bronchiolitis is the most common lower respiratory tract infection in young children and may be life-threatening in those with underlying cardiac or respiratory conditions. We evaluated the nasal and serum levels of human neutrophil elastase (HNE) in patients with acute respiratory syncytial virus (RSV) bronchiolitis and investigated the correlation of these levels with illness severity. ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 1987
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.84.8.2228