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单词 affinity labelling
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affinity labelling
affinity labelling n. Biochemistry a technique for labelling enzymes, antibodies, or other macromolecular structures at or near an active site by means of a molecule which resembles the substrate, and may have a radioactive or fluorescent component to aid in its identification (cf. photoaffinity n.).
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affinity labelling1962
1962 L. Wofsy et al. in Biochemistry 1 1031 A general method, termed affinity labeling, is proposed to achieve the labeling of the active sites of antibody and enzyme molecules.
1981 L. Stryer Biochem. (ed. 2) viii. 162 The importance of a second residue in catalysis was shown by affinity-labeling studies.
1988 P. W. Kuchel et al. Schaum's Outl. Theory & Probl. Biochem. ix. 281 The technique of affinity labeling is widely used to establish the nature of the amino acid residues in the active site of an enzyme.
2007 Proc. National Acad. Sci. U.S.A. 104 19616/2 Affinity-labeling experiments..indicated that the chitin receptor systems in Arabidopsis and rice might be significantly different.
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