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Class:IdSummation:73727
_displayNamePhosphorylation of promoter-bound UBTF activates it, enablin...
_timestamp2026-05-06 18:57:59
created[InstanceEdit:73851] Comai, L, 2003-07-03 17:13:29
modified[InstanceEdit:73849] Gillespie, ME, 2003-07-01 00:00:00
[InstanceEdit:83531] Gillespie, ME, 2003-11-13 00:00:00
[InstanceEdit:9988348] Rothfels, Karen, 2026-05-06
textPhosphorylation of promoter-bound UBTF activates it, enabling and recruitment of SL1 and eventually RNA polymerase I. This phosphorylation of UBTF by ERK1 has been shown to both weaken the binding of UBTF to DNA and to activate transcription (the authors of the paper showing these data suggest that loosening the binding of UBTF with the promoter may somehow promote transcription initiation). Though not definitively worked out phosphorylation of UBTF by Erk1 plays a role in the activation of the UBTF:rDNA complex.
(summation)[Reaction:73722] Phosphorylation of UBTF [Homo sapiens]
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