| Literature DB >> 1336400 |
E Boukhzer1, A Ennya, F Felden, A Gérard, E Nexo, J P Nicolas, H Gérard, J L Guéant.
Abstract
Specific binding sites for rabbit transcobalamin II have been found on isolated adult rabbit germ cells. Scatchard analysis revealed a single class of binding sites for [57Co]cyanocobalamin-transcobalamin II with an association constant (Ka) of 1.3 x 10(10) M-1 and 700 sites per cell. Binding was reversible, saturable and calcium dependent. Electron microscope radioautography following incubation with iodinated transcobalamin II at 4 degrees C led to a detectable labeling mainly restricted to the plasma membrane.Entities:
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Year: 1992 PMID: 1336400 DOI: 10.1016/0167-4889(92)90019-8
Source DB: PubMed Journal: Biochim Biophys Acta ISSN: 0006-3002