Phosphorylation of CLOCK, acetylation of BMAL1 (ARNTL) at target gene promoters

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-9931512
PubChem
R-HSA-9931512
Description
  • After phosphorylated BMAL1:CLOCK heterodimers bind E-box elements in the promoters of target genes, CLOCK acetylates BMAL1 (inferred from mouse homologs in Hirayama et al. 2007) and becomes hyperphosphorylated through an incompletely characterized mechanism (inferred from the mouse homolog in Yoshitane et al. 2009, Robles et al. 2017). The hyperphosphorylation appears to both increase transcriptional activation activity and increase proteolytic degradation of CLOCK.
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying all 4 entries
UniProt ID Protein Name Gene Symbol Pathway Viewer
O00327 Basic helix-loop-helix ARNT-like protein 1
  • ARNTL
  • BHLHE5
  • BMAL1
  • MOP3
  • PASD3
view
O15516 Circadian locomoter output cycles protein kaput
  • BHLHE8
  • CLOCK
  • KIAA0334
view
Q03164 Histone-lysine N-methyltransferase 2A
  • ALL1
  • CXXC7
  • HRX
  • HTRX
  • KMT2A
  • MLL
  • MLL1
  • TRX1
view
Q92793 CREB-binding protein
  • CBP
  • CREBBP
view

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026