tokens: Binding of cell type specific nuclear proteins to the 5 ' - flanking region of maize C4 phosphoenolpyruvate carboxylase gene confers its differential transcription in mesophyll cells .
folded_tokens: binding of cell type specific nuclear protein to the 5 ' - flanking region of maize c4 phosphoenolpyruvate carboxylase gene confer its differential transcription in mesophyll cell .