when injected into xenopus laevis oocytes , antibody 3wg2 inhibited transcription of the human histone h2b gene ( contains a tata box ) and the human u1 small nuclear rna gene ( does not contain a tata box ) , but did not inhibit transcription from rna polymerase i or rna polymerase iii promoters .
C0040649
transcription
C0035678
rna polymerase i