Recent progress in protein labelling has been obtained from two related areas, metabolic and RIA (radioimmunoassay) studies. In the former case the labelled derivative should keep the properties of the unlabelled molecule. A great deal of work on iodination has resulted. It was found that, in order to keep the metabolic properties of the unlabelled compound, the iodination of a labelled protein must be such that the monoiodinated derivative is the main product1.
KeywordsHigh Specific Activity Iodine Content Iodine Atom Tyrosyl Group Small Polypeptide
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