Journal: The Journal of biological chemistry

Article Title: Hepatitis C virus core protein binds to a DEAD box RNA helicase.

doi: 10.1074/jbc.274.22.15751

Figure Lengend Snippet: FIG. 1. Primary structures of DBX, PL10, and Ded1 and their interac- tions with HCV core protein in the yeast two-hybrid assay. A, alignment of deduced amino acid sequences of DBX (Gen- Banky accession number AF000982), PL10 (GenBanky accession number J04847), and Ded1p (GenBanky accession number X57278) is shown. Identical amino acids are shown as white on cyan. Conserved substi- tutions are shown as black on magenta. Dots represent gaps to optimize alignments, which were obtained using the Pileup pro- gram. B, two-hybrid assays showing interac- tion of HCV core protein with DBX and PL10 but not with Ded1p. Yeast strain Y190 was co-transformed with a plasmid express- ing the cytoplasmic domain of HCV fused to the GAL4 DNA binding domain and plas- mids expressing either a portion of DBX or the corresponding portions of PL10 or Ded1p fused to the GAL4 transcriptional activation domain. Transformants giving b-galactosid- ase activity (positive interactions) are blue. Control reactions of DBX, PL10, and Dep1p GAL 4 activation domain fusion proteins with GAL4 DNA binding domain alone were negative (data not shown).

Article Snippet: The amplified DNA was cloned into the GAL4 DNA binding domain fusion vector pAS2–1 (CLONTECH) to yield pAS2–1-HCV-core1–123.

Techniques: Y2H Assay, Transformation Assay, Plasmid Preparation, Binding Assay, Expressing, Activation Assay, Activity Assay, Control