I1911
IU1
≥98% (HPLC)
Synonym(s):
1-[1-(4-Fluoro-phenyl)-2,5-dimethyl-1H-pyrrol-3-yl]-2-pyrrolidin-1-yl-ethanone
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About This Item
Empirical Formula (Hill Notation):
C18H21FN2O
CAS Number:
Molecular Weight:
300.37
NACRES:
NA.77
PubChem Substance ID:
UNSPSC Code:
12352200
MDL number:
Product Name
IU1, ≥98% (HPLC)
InChI key
JUWDSDKJBMFLHE-UHFFFAOYSA-N
SMILES string
FC1=CC=C(N2C(C)=CC(C(CN3CCCC3)=O)=C2C)C=C1
InChI
1S/C18H21FN2O/c1-13-11-17(18(22)12-20-9-3-4-10-20)14(2)21(13)16-7-5-15(19)6-8-16/h5-8,11H,3-4,9-10,12H2,1-2H3
assay
≥98% (HPLC)
form
powder
color
off-white to light brown
solubility
DMSO: >10 mg/mL
storage temp.
2-8°C
Quality Level
Related Categories
Application
IU1 has been used for the inhibition of Ubiquitin Specific Peptidase 14 (USP14) in human neuroblastoma cells (SH-SY5Y) and in ubiquitin-rhodamine hydrolysis plate assay.
Biochem/physiol Actions
IU1 is an inhibitor of USP14, a deubiquitinating enzyme associated with the proteasome.
IU1 is an inhibitor of USP14, a deubiquitinating enzyme associated with the proteasome. The proteasome mediates the cellular degradation of oxidized, damaged and misfolded proteins which, if not removed, accumulate and become toxic to cells. Proteins targeted for proteasomal degradation are first ubiquitinated, with longer length ubiquitin chains interacting more strongly with the proteasome. Deubiquitinating enzymes (DUBs) such as USP14 interfere with the degradation process. IU1 inhibits USP14-mediated ubiquitin "chain-trimming" thereby enhancing substrate degradation by the proteasome. The compound may help to eliminate toxic proteins more effectively by enhancing their degradation.
Storage Class
11 - Combustible Solids
wgk
WGK 3
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USP14 inhibition corrects an in vivo model of impaired mitophagy.
Chakraborty J, et al.
EMBO Molecular Medicine, 10(11), e9014-e9014 (2018)
Di Yun et al.
Neuropharmacology, 133, 354-365 (2018-02-07)
Posttranslational modification and degradation of proteins by the ubiquitin-proteasome system (UPS) is crucial to synaptic transmission. It is well established that 19S proteasome associated deubiquitinases (DUBs) reverse the process of ubiquitination by removing ubiquitin from their substrates. However, their potential
Ningning Liu et al.
Molecular and cellular biochemistry, 431(1-2), 87-96 (2017-04-02)
Persistent activation of nuclear factor B (NF-κB) is very important in the modulation of macrophages cellular response to microbial infections. The deubiquitinase USP14, which is critical for ubiquitin-mediated proteasomal degradation of proteins, is known to be involved in cancer, neurological
Liu Xu et al.
International journal of biological sciences, 16(15), 2951-2963 (2020-10-17)
Previous studies have demonstrated that the antitumor potential of IU1 (a pharmacological compound), which was mediated by selective inhibition of proteasome-associated deubiquitinase ubiquitin-specific protease 14 (USP14). However, the underlying molecular mechanisms remain elusive. It has been well established that mdm2
Inactive USP14 and inactive UCHL5 cause accumulation of distinct ubiquitinated proteins in mammalian cells.
Chadchankar J, et al.
bioRxiv, 10(11), 479758-479758 (2018)
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