p-TEFb phosphorylates serine 2 in RNA polymerase II CTD (Drosophila melanogaster)
p-tefb phosphorylates serine 2 in rna polymerase ii ctd (drosophila melanogaster)
p-TEFb phosphorylates serine 2 in RNA polymerase II CTD (Drosophila melanogaster)
p-tefb phosphorylates serine 2 in rna polymerase ii ctd (drosophila melanogaster)