| nopal | <botany> A cactaceous plant (Nopalea cochinellifera), originally Mexican, on which the cochineal insect feeds, and from which it is collected. The name is sometimes given to other species of Cactaceae. Origin: Mexican nopalli. Source: Websters Dictionary (01 Mar 1998) |
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| nopaline oxidase | <enzyme> Catalyses oxidative cleavage of nopaline into l-arginine and 2-ketoglutarate; no required cofactors; activity requires noxa and noxb gene products; isolated from agrobacterium tumefaciens Registry number: EC 1.5.99.- (26 Jun 1999) |
| nopaline permease | <chemical> (26 Jun 1999) |
| nopaline synthase | <enzyme> Forms n(2)-(1,3-dicarboxypropyl)arginine from NADPH, alpha-ketoglutarate and arginine; classified by analog with reverse reaction for EC 1.5.1.11 Registry number: EC 1.5.1.- (26 Jun 1999) |
| nopalry | A plantation of the nopal for raising the cochineal insect. Source: Websters Dictionary (01 Mar 1998) |