Fig. 1
- ID
- ZDB-FIG-061227-11
- Publication
- Meier et al., 2006 - Novel binding partners of Ldb1 are required for haematopoietic development
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Ldb1 biotinylation and streptavidin pulldown. (A) Schematic representation of bio-Ldb1. The 23 amino acid sequence recognised by BirA and a triple haemagglutinin tag are fused in tandem to the amino-terminal end of the ATG-less Ldb-cDNA. (B) Expression of Ldb1 and bio-Ldb1 in nuclear extracts of induced C88BirA/bio-Ldb1, C88-/BirA and C88-/- cells. Eight of 16 transfectants are shown. Three clones (lanes 3-5) did not express bio-Ldb1, lane 9 not loaded. Clone #3F4 was chosen for further experiments. Lanes on the right are C88-/BirA and C88-/- controls. (C) Ldb1 and bio-Ldb1 expression in equal amounts (see Coomassie stained gel) of nuclear extracts of noninduced (-) and induced (+) #3F4 cells. Expression of endogenous Ldb1 is reduced in induced cells. (D) PAGE of proteins bound to bio-Ldb1. Pulldowns of noninduced and induced cell extracts washed at lower stringency conditions are shown. PD, pulled down proteins; NE, untreated nuclear extract. |