p-TEFb phosphorylates serine 2 in RNA polymerase II CTD (Bos taurus)
p-tefb phosphorylates serine 2 in rna polymerase ii ctd (bos taurus)
p-TEFb phosphorylates serine 2 in RNA polymerase II CTD (Bos taurus)
p-tefb phosphorylates serine 2 in rna polymerase ii ctd (bos taurus)