p-TEFb phosphorylates serine 2 in RNA polymerase II CTD (Xenopus tropicalis)
p-tefb phosphorylates serine 2 in rna polymerase ii ctd (xenopus tropicalis)
p-TEFb phosphorylates serine 2 in RNA polymerase II CTD (Xenopus tropicalis)
p-tefb phosphorylates serine 2 in rna polymerase ii ctd (xenopus tropicalis)