| 释义 |
permease Biochem.|ˈpɜːmɪeɪz, -s|
[ad. F. perméase (H. V. Rickenberg et al. 1956, in Ann. de l'Inst. Pasteur XCI. 843), f. permé(able permeable a.: see -ase.]
Any enzyme which assists the passage of a substrate into a cell through the cell wall.
1957Bacteriol. Rev. XXI. 169/1 During the past few years, however, definite proof of the existence, in bacteria, of stereospecific permeation systems, functionally specialized and distinct from metabolic enzymes, has been obtained... The generic name ‘permeases’ has been suggested for these systems. 1970New Scientist 1 Jan. 8/1 This so-called ‘permease’ has since been found to be a protein, located in the cell membrane, which somehow transfers lactose from the outside of the cell to the interior. 1975D. V. Parke Enzyme Induction i. 7 Maltase and maltose permease are induced together by maltose in yeast. |