Transferrin From Human Serum, Alexa Fluor™ 568 Conjugate - FAQs

Is Transferrin From Human Serum, Alexa Fluor 568 Conjugate (Cat. No. T23365) holotransferrin (saturated with iron)? How is the fluorophore conjugated to it?

Transferrin From Human Serum, Alexa Fluor 568 Conjugate is holotransferrin (saturated with iron). Lysine residues of transferrin are used for conjugation of the fluorophore. On the Certificate of Analysis, you can find information regarding the degree of labeling (number of fluorophores per one protein molecule).

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