The antibody MoBu-1 reacts specifically with BrdU incorporated into DNA during S-phase of a cell cycle. It reacts also specifically with 5-bromouridine (BrU), and it does not cross-react with EdU.
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Bromodexyuridine (BrdU) is a thymidine analog, which is selectively incorporated into the DNA of proliferating cells to provide a marker for the DNA being replicated. The number of proliferating cells can then be detected in cell lysates, tissue sections or suspensions using an antibody specific for the BrdU.,5-bromodeoxyuridine