E. Wyszko et M. Barciszewska, PURIFICATION AND CHARACTERIZATION OF TRANSCRIPTION FACTOR IIIA FROM HIGHER-PLANTS, European journal of biochemistry, 249(1), 1997, pp. 107-112
Transcription factor IIIA (TF IIIA) binds and specifically activates t
ranscription of eukaryotic 5S rRNA genes. It also forms a 7S ribonucle
oprotein complex with mature 5S rRNA, Here, we describe the purificati
on and properties of pTF IIIA from higher plants. The purified protein
from tulip (Tulipa whittalii) has a molecular mass of about 40 kDa an
d also binds 5S rRNA and 5S rRNA genes. pTF IIIA also facilitates the
transcription of a 5S rRNA gene in a HeLa cell extract.