Rifabutin 60mg/5ml oral suspension

Molecular chaperone that promotes the maturation, structural maintenance and proper regulation of specific target proteins involved for instance in cell cycle control and signal transduction. Undergoes a functional cycle that is linked to its ATPase activity which is essential for its chaperone activity. This cycle probably induces conformational changes in the client proteins, thereby causing their activation.

Interacts dynamically with various co-chaperones that modulate its substrate recognition, ATPase cycle and chaperone function .
PMID:11274138 PMID:12526792 PMID:15577939 PMID:15937123 PMID:27353360 PMID:29127155

Engages with a range of client protein classes via its interaction with various co-chaperone proteins or complexes, that act as adapters, simultaneously able to interact with the specific client and the central chaperone itself .
PMID:29127155
Recruitment of ATP and co-chaperone followed by client protein forms a functional chaperone. After the completion of the chaperoning process, properly folded client protein and co-chaperone leave HSP90 in an ADP-bound partially open conformation and finally, ADP is released from HSP90 which acquires an open conformation for the next cycle .
PMID:26991466 PMID:27295069
Plays a critical role in mitochondrial import, delivers preproteins to the mitochondrial import receptor TOMM70 .
PMID:12526792
Apart from its chaperone activity, it also plays a role in the regulation of the transcription machinery. HSP90 and its co-chaperones modulate transcription at least at three different levels .
PMID:25973397
In the first place, they alter the steady-state levels of certain transcription factors in response to various physiological cues .
PMID:25973397
Second, they modulate the activity of certain epigenetic modifiers, such as histone deacetylases or DNA methyl transferases, and thereby respond to the change in the environment .
PMID:25973397
Third, they participate in the eviction of histones from the promoter region of certain genes and thereby turn on gene expression .
PMID:25973397
Binds bacterial lipopolysaccharide (LPS) and mediates LPS-induced inflammatory response, including TNF secretion by monocytes .
PMID:11276205
Antagonizes STUB1-mediated inhibition of TGF-beta signaling via inhibition of STUB1-mediated SMAD3 ubiquitination and degradation .
PMID:24613385
Mediates the association of TOMM70 with IRF3 or TBK1 in mitochondrial outer membrane which promotes host antiviral response PMID:20628368 PMID:25609812

ATP-dependent chaperone involved in the processing of proteins in the endoplasmic reticulum, regulating their transport .
PMID:23572575 PMID:39509507
Together with MESD, acts as a modulator of the Wnt pathway by promoting the folding of LRP6, a coreceptor of the canonical Wnt pathway .
PMID:23572575 PMID:39509507
When associated with CNPY3, required for proper folding of Toll-like receptors .
PMID:11584270
Promotes folding and trafficking of TLR4 to the cell surface .
PMID:11584270
May participate in the unfolding of cytosolic leaderless cargos (lacking the secretion signal sequence) such as the interleukin 1/IL-1 to facilitate their translocation into the ERGIC (endoplasmic reticulum-Golgi intermediate compartment) and secretion; the translocation process is mediated by the cargo receptor TMED10 PMID:32272059