The D-alanine carboxypeptidase was solubilized from the membranes of Bacillus subtilis with the nonionic detergent, Triton X-100, and pursed to homogeneity. The purified protein bound irreversibly radioactivity from [Wlpenicillin G. It contained a single polypeptide chain of molecular weight 50,000 and existed in solution as a protein-detergent aggregate of molecular weight about 350,000. The a...

A protected linear polypeptide of 124 amino acid residues with the sequence of bovine pancreatic ribonuclease A was synthesized by the solid phase method. The polypeptide was removed from the solid support and pursed, and the four disulfide bonds were closed by air oxidation of the reduced form. The synthetic enzyme was fractionated by gel filtration and ion exchange chromatography, and the mat...

This study aims to determine breathing techniques that can be used reduce dyspnea in COPD patients. The method is search articles on several electronic databases, namely Proquest, ScienceDirect, PubMed, Embase, and EBSCOHost, using the keywords Breathing Technique, Dyspnea, COPD. Inclusion criteria were patients, with RCT or clinical trial research designs published last ten years, intervention...

Nucleoside triphosphate pyrophosphohydrolase has been isolated from rabbit reticulocytes. The enzyme has been pursed over 2000-fold from the cell lysate. Isolation and analysis procedures are described. The enzyme has been shown to catalyze the hydrolysis of ITP to yield IMP and PPi. Other substrates are dITP, XTP, and, to a lesser extent GTP, dGTP, UTP, and dTJTP. ATP, dATP, CTP, and dCTP are ...

An inducible 3-hydroxy-3-methylglutaryl (HMG) coenzyme A reductase (mevalonate:NADf oxidoreductase (acylatmg CoA), EC 1.1. l.-) has been purified X-fold from soluble extracts of Pseudomonas to an apparently homogeneous state as judged by disc gel electrophoresis. The molecular weight estimated by gel electrophoresis is 2.6 to 2.8 X 105. The pursed enzyme is free of HMG-CoA lyase (3-hydroxy3-met...

Objective: A systematic review was carried out to determine the evidence for teaching pursed lips breathing (PLB) to patients with stable COPD. Exertional dyspnoea is the single most important factor limiting function for people with COPD and PLB is commonly advocated for its management. Method: A literature search of Medline, PEDro and CINAHL Plus was conducted. Articles were included if they ...

The supernatant fraction of brain homogenate stimulates partially pursed phenylethanolamine N-methyltransferase, catechol methyltransferase, and acetylserotonin methyltransferase activities in uifro. The stimulating factor was purified, and the mechanism of stimulation was investigated. The results show that S-adenosylhomocysteine, a product from S-adenosyhnethionine, is a potent inhibitor of t...