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Switch #:
SWTI000537
Switch type:
Binary
Switch subtype:
Physicochemical compatibility

Description:
The phosphorylation-dependent sumoylation of the PDSM (phosphorylation-dependent sumoylation motif) strongly represses Isoform HSF4B of Heat shock factor protein 4 (HSF4) activity.

Participants:
(1) Heat shock factor protein 4 (HSF4)
(2) SUMO-conjugating enzyme UBC9 (UBE2I)

Interactions
Interaction #1 HSF4 - UBE2I

Interfaces
(1) MOD_SUMO motif (292LKEE295) in Heat shock factor protein 4 (HSF4)
(2) Ubiquitin-conjugating enzyme (8-152) in SUMO-conjugating enzyme UBC9 (UBE2I)

Interaction Regulation
PTM-dependent Induction (Phosphorylation of S298 on Heat shock factor protein 4 (HSF4)) of the Heat shock factor protein 4 (HSF4) MOD_SUMO motif - SUMO-conjugating enzyme UBC9 (UBE2I) Ubiquitin-conjugating enzyme interaction

Context
Switch localisation
ELM curated: nucleus, PML body
References

(1) PDSM, a motif for phosphorylation-dependent SUMO modification.
Hietakangas et al. Proc. Natl. Acad. Sci. U.S.A. (2006)

See also

Other switches involving participants
Heat shock factor protein 4 (HSF4) - 1 more (view)
SUMO-conjugating enzyme UBC9 (UBE2I) - 8 more (view)

Other switches involving interfaces
MOD_SUMO - 6 more (view)
Ubiquitin-conjugating enzyme - 8 more (view)


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