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Article

Identification of an active-site residue in yeast invertase by affinity labeling and site-directed mutagenesis.

The Journal of biological chemistry - 5 Jul 1990

Reddy V A, Maley F

Abstract excerpt

Deglycosylated yeast invertase is irreversibly inactivated by conduritol B epoxide (CBE), an active-site-directed reagent. The inactivated enzyme contained 0.8 mol of CBE/mol of invertase monomer suggesting that the inactivation results from the modification of a single amino acid residue. Peptic digestion of [3H]CBE-labeled invertase followed by reverse phase column chromatography yielded two labeled peptides,...

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PMID: 2113524

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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