| 释义 |
deamination|diːæmɪˈneɪʃən|
[f. de- + amine + -ation.]
The removal of an amino group or groups. Hence deˈaminate v. trans.; deˈaminating ppl. a.
1912Chem. Abstr. VI. 1912 Deamination. Emulsions of liver..when incubated with asparagine, glycocoll or leucine, liberate NH3. 1926Jrnl. Biol. Chem. LXX. 140 Tyrosine is also deaminated during the fermentation. Ibid. 147 The bacillus is able to deaminate tyrosine. 1927Glasgow Herald 4 June 4/2 The exogenous metabolism by which amino-acids are de-aminated. Ibid., The preliminary process of splitting off the ammonia and forming a fatty acid is called de-amination. 1951M. Abercrombie et al. Dict. Biol. 65 Deamination, removal of amino (NH2) group. In mammals occurs to many amino-acid molecules by action of deaminating enzymes in liver and kidney. 1962Dardenne & Kirsten in A. Pirie Lens Metabolism Rel. Cataract 419 Arginine and glutamic acid were rapidly deaminated. 1970Nature 6 June 969/1 Nitrous acid causes deamination of primary amino groups attached to the ring structure of nucleic acid bases. |