Title : Translocation of cyclin B1 to the nucleus at prophase requires a phosphorylation-dependent nuclear import signal.

Pub. Date : 1999 Jul 1

PMID : 10395539






3 Functional Relationships(s)
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1 BACKGROUND: At M phase, cyclin B1 is phosphorylated in the cytoplasmic retention sequence (CRS), which is required for nuclear export. 3-cresol cyclin B1 Homo sapiens
2 We show that cyclin B1 rapidly translocates into the nucleus approximately 10 minutes before breakdown of the nuclear envelope, and that this movement requires the CRS phosphorylation sites. 3-cresol cyclin B1 Homo sapiens
3 Phosphorylation of the CRS creates a nuclear import signal that enhances cyclin B1 import in vitro and in vivo, in a manner distinct from the previously described import of cyclin B1 mediated by importin beta. 3-cresol cyclin B1 Homo sapiens