1 localization of nucleolar granular component
protein B23.
2 Phosphorylation of
protein B23.
1 by casein kinase II produced an additional
3 Mutant forms of
protein B23.
1 in which the nuclear localization signal w
4 suggesting that the carboxyl-terminal end of
protein B23.
1 is not essential for oligomerization.
5 The effect of
protein B23.
1 oligomerization on its interaction with a
6 significant amounts of monomer were present,
protein B23.
1 was capable of binding DNA, whereas condit
7 This effect was not seen if
protein B23.
1 was phosphorylated with a cdc2 type protei
8 Under low ionic strength conditions
protein B23.
1 was predominantly a 2.1S monomer with smal
9 Protein B23.
1 was previously shown to bind nucleic acids
10 mentation characteristics similar to that of
protein B23.
1, suggesting that the carboxyl-terminal end
11 he oligomerization properties of recombinant
proteins B23.
1 and B23.2.
12 Protein B23.
2, the carboxyl-terminal truncated isoform,
13 cleolin, the previously identified nucleolar
proteins B23 and fibrillarin, proteins with electrophore
14 leolar (sno)RNA, fibrillarin, nucleolin, and
proteins B23 and p52, accumulate in perichromosomal regi
15 Two host
proteins, B23 and I2PP2A, were found to interact prefere
16 d the abundant and multifunctional nucleolar
protein B23 as a potential target of FRGY2a and its rela
17 enhanced the rate of CK2 phosphorylation of
protein B23 by 2-3-fold, and this enhancement was depend
18 Protein B23 can be phosphorylated by protein kinase CK2
19 f the processing machinery, suggest that the
protein B23 endoribonuclease could play a role in pre-rR
20 These studies suggest that
protein B23 exists in an equilibrium between monomer and
21 Previous studies showed that
protein B23 has several characteristics typical of molec
22 in the granular component, as marked by the
protein B23,
indicating a possible interaction with ribo
23 Protein B23 is a major nonribosomal nucleolar protein an
24 Protein B23 is a multifunctional nucleolar protein whose
25 Protein B23 is a multifunctional nucleolar protein whose
26 Protein B23 is an abundant nucleolar protein and a putat
27 directly hydrolyze ATP, substrate release by
protein B23 is dependent on its phosphorylation by CK2.
28 to interact functionally with the nucleolar
protein B23/
NPM (B23) and inhibit rRNA biogenesis.
29 two-hybrid system which identified nucleolar
protein B23 (
nucleophosmin) as being associated with C23
30 ts the interaction of ARF with the nucleolar
protein B23(
nucleophosmin) and promotes a transient p53-
31 Protein B23/
nucleophosmin is a multifunctional protein t
32 Protein B23/
nucleophosmin/numatrin (B23) is a key nucleo
33 pproach, we then evaluated whether nucleolar
proteins B23/
nucleophosmin and nucleolin, previously sho
34 The effects of
protein B23 on nuclear import were determined by an in v
35 These results suggest that
protein B23 plays a role as an accessory factor in the n
36 m stimulation (2-3-fold) at a molar ratio of
protein B23:
Rev of approximately 1:1.
37 The action of
protein B23 ribonuclease on different regions of pre-rRN
38 Protein B23 ribonuclease preferentially cleaved the sing
39 import of either substrate was increased if
protein B23 was added to the incubation medium.
40 mponent of the segregated nucleolus, whereas
protein B23 was found predominantly in the nucleoplasm.
41 Nucleolar shuttle
protein B23 was found to bind to human immunodeficiency
42 dary structure on the cleavage preference by
protein B23 were studied.