Japan Airlines. Established in 1951, Japan Airlines is one of the world's premier carriers and joined the oneworldÂ® alliance in 2007. The airline has major hubs at Tokyo, Osaka and Nagoya, and, with its oneworld affiliates, operates flights to some 75 destinations in 20 countries.
Pectate lyase (EC 4.2.2.2) is an enzyme involved in the maceration and soft rotting of plant tissue. Pectate lyase is responsible for the eliminative cleavage of pectate, yielding oligosaccharides with 4-deoxy-Î±-. -mann-4-enuronosyl groups at their non-reducing ends.
beta-lactamase. [-lakâ²tÉmÄz]. Etymology: lactam, a cyclic amide, ase, enzyme. a bacterial enzyme that catalyzes the hydrolysis of the beta-lactam ring of some penicillins and cephalosporins, producing penicilloic acid and rendering the antibiotic ineffective.Î²-lacÂ·taÂ·mase/ (lakÂ´tah-mÄs) any of a group of enzymes, produced by almost all gram-negative bacteria, that hydrolyze the Î²-lactam ring of penicillins and cephalosporins, destroying their antibiotic activity. Individual enzymes may be called penicillinases or cephalosporinases based on their specificities.