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Biochim Biophys Acta. 1982 Sep 27;698(3):223-9.

Effect of colchicine on mammalian liver nuclear envelope and on nucleo-cytoplasmic RNA transport.

Abstract

The binding of colchicine to nuclear envelopes was studied in order to elucidate the mechanism whereby this compound inhibits nucleocytoplasmic RNA transport. The results suggest that a single class of colchicine-binding site (dissociation constant=approx. 0.7 mM, concentration=approx. 330 nmol colchicine/mg protein) is localised in the nuclear periphery (pore-lamina) and that binding to these sites effects a constriction of the pore-complexes with concomitant inhibition of RNA egress and disordering of the nuclear membrane phospholipid bilayers.

PMID:
6182913
[PubMed - indexed for MEDLINE]
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