Summary

Name SUFU
Full Name Suppressor of fused homolog
Synonyms SUFUH
Primary ID Q9UMX1
Links - -
Type protein
Relations 22
Pathways Sonic Hedgehog
Function Negative regulator in the hedgehog/smoothened signaling pathway (PubMed:10559945, PubMed:10564661, PubMed:10806483, PubMed:12068298, PubMed:12975309, PubMed:27234298, PubMed:15367681, PubMed:22365972, PubMed:24217340, PubMed:24311597, PubMed:28965847). Down-regulates GLI1-mediated transactivation of target genes (PubMed:15367681, PubMed:24217340, PubMed:24311597). Down-regulates GLI2-mediated transactivation of target genes (PubMed:24311597, PubMed:24217340). Part of a corepressor complex that acts on DNA-bound GLI1. May also act by linking GLI1 to BTRC and thereby targeting GLI1 to degradation by the proteasome (PubMed:10559945, PubMed:10564661, PubMed:10806483, PubMed:24217340). Sequesters GLI1, GLI2 and GLI3 in the cytoplasm, this effect is overcome by binding of STK36 to both SUFU and a GLI protein (PubMed:10559945, PubMed:10564661, PubMed:10806483, PubMed:24217340). Negative regulator of beta-catenin signaling (By similarity). Regulates the formation of either the repressor form (GLI3R) or the activator form (GLI3A) of the full-length form of GLI3 (GLI3FL) (PubMed:24311597, PubMed:28965847). GLI3FL is complexed with SUFU in the cytoplasm and is maintained in a neutral state (PubMed:24311597, PubMed:28965847). Without the Hh signal, the SUFU-GLI3 complex is recruited to cilia, leading to the efficient processing of GLI3FL into GLI3R (PubMed:24311597, PubMed:28965847). When Hh signaling is initiated, SUFU dissociates from GLI3FL and the latter translocates to the nucleus, where it is phosphorylated, destabilized, and converted to a transcriptional activator (GLI3A) (PubMed:24311597, PubMed:28965847). Required for normal embryonic development (By similarity). Required for the proper formation of hair follicles and the control of epidermal differentiation (By similarity).

Viewer

Modifications Tables

Relations

Regulator Mechanism target score
+ down-regulates quantity img/direct_inhibition.png ubiquitination SUFU 0.2
Publications: 2 Organism: Homo Sapiens
+ up-regulates quantity by stabilization img/direct-activation.png phosphorylation SUFU 0.466
Publications: 2 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ up-regulates img/direct-activation.png phosphorylation SUFU 0.466
Publications: 3 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ down-regulates activity img/direct_inhibition.png binding GLI1 0.949
Publications: 1
Pathways:Sonic Hedgehog
+ up-regulates quantity by stabilization img/direct-activation.png binding GLI2 0.909
Publications: 1 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ down-regulates img/direct_inhibition.png binding GLIS3 0.382
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png relocalization GLI3 0.889
Publications: 1 Organism: Mus Musculus
Pathways:Sonic Hedgehog
+ up-regulates img/direct-activation.png binding SUFU 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ down-regulates img/direct_inhibition.png relocalization GLIS2 0.266
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png relocalization GLI2 0.909
Publications: 1 Organism: Mus Musculus
Pathways:Sonic Hedgehog
+ up-regulates quantity by stabilization img/direct-activation.png binding GLI3 0.889
Publications: 1 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ up-regulates activity img/direct-activation.png phosphorylation SUFU 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png ubiquitination SUFU 0.42
Publications: 1
+ down-regulates img/direct_inhibition.png relocalization GLI3 0.889
Publications: 1 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ up-regulates img/direct-activation.png binding SUFU 0.437
Publications: 1 Organism: Homo Sapiens
Tissue: Skin
+ up-regulates img/direct-activation.png binding SAP18 0.672
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png binding SUFU 0.638
Publications: 1 Organism: Homo Sapiens
Pathways:Sonic Hedgehog
+ up-regulates img/direct-activation.png binding SUFU 0.291
Publications: 1 Organism: Homo Sapiens