Cloned (Comment) | Organism |
---|---|
expression of wild-type FLAG-tagged IKK-beta or FLAG-tagged IKK-beta mutant C179A in A-293 cells | Homo sapiens |
Inhibitors | Comment | Organism | Structure |
---|---|---|---|
nimbolide | nimbolide inhibits TNF-alpha-induced p65 nuclear translocation and phosphorylation. Nimbolide binds to and inhibits IKK activation. It suppresses NF-betaB activation by inhibition of IkappaBbeta kinase, wild-type not IKKbeta mutant C179A, leading to suppression of IkappaBalpha phosphorylation and degradation, nuclear translocation, DNA binding, and gene transcription | Homo sapiens |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
cytoplasm | - |
Homo sapiens | 5737 | - |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + [IkappaB protein] | Homo sapiens | the IkappaBalpha subunit of NF-kappaB is phosphorylated at serine residues 32 and 36 | ADP + [IkappaB phosphoprotein] | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Homo sapiens | - |
- |
- |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
HL-60 cell | - |
Homo sapiens | - |
JURKAT cell | - |
Homo sapiens | - |
K-562 cell | - |
Homo sapiens | - |
KBM-5 cell | - |
Homo sapiens | - |
MM1-S cell | - |
Homo sapiens | - |
myeloid leukemia cell | - |
Homo sapiens | - |
myeloma cell | - |
Homo sapiens | - |
RPMI-8226 cell | - |
Homo sapiens | - |
T-cell lymphoma cell | - |
Homo sapiens | - |
U-266 cell | - |
Homo sapiens | - |
U-937 cell | - |
Homo sapiens | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
ATP + [IkappaB protein] | the IkappaBalpha subunit of NF-kappaB is phosphorylated at serine residues 32 and 36 | Homo sapiens | ADP + [IkappaB phosphoprotein] | - |
? | |
ATP + [IkappaB protein] | phosphorylation at Ser32 and Ser36 catalyzed by IkappaBalpha kinase | Homo sapiens | ADP + [IkappaB phosphoprotein] | - |
? |
Synonyms | Comment | Organism |
---|---|---|
IkappaBalpha kinase | - |
Homo sapiens |
IKK | - |
Homo sapiens |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
ATP | - |
Homo sapiens |
General Information | Comment | Organism |
---|---|---|
malfunction | suppression of NF-betaB activation by nimbolide is caused by inhibition of IkappaB kinase, which leads to suppression of IkappaBalpha phosphorylation and degradation, nuclear translocation, DNA binding, and gene transcription. Nimbolide suppresses TNF-alpha-induced tumor cell invasion and NF-kappaB activation in a not-cell-specific manner | Homo sapiens |
metabolism | in resting cells, NF-kappaB is kept in an inactive state in the cytoplasm as a heterotrimer consisting of p50, p65, and IkappaB proteins, including IkappaBalpha, IkappaBbeta, and IkappaBepsilon. In response to activation signals, the IkappaBalpha subunit is phosphorylated at serine residues 32 and 36 and ubiquitinated at lysine residues 21 and 22, which target them for proteasome-mediated degradation | Homo sapiens |