Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

NF-KappaB Inhibitor alpha MeSH Descriptor Data 2025


MeSH Heading
NF-KappaB Inhibitor alpha
Tree Number(s)
D12.644.360.365.500
D12.776.260.420.500
D12.776.476.381.500
D12.776.930.326.500
Unique ID
D000072000
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000072000
Scope Note
An I-kappa B protein that inhibits the activity of dimeric NF-KAPPA B P50-REL complexes, sequesters transcription factor NF-kappaB as an inactive complex in the cytoplasm; and prevents NF-kappaB nuclear translocation and DNA binding.
Entry Term(s)
I Kappa B-alpha Protein
IKappaB-alpha
IKappaBalpha
Major Histocompatibility Complex Enhancer-Binding Protein MAD3
p40 Protein (IKappaB-alpha)
Registry Numbers
139874-52-5
See Also
Ankyrin Repeat
Public MeSH Note
2017; NF-KAPPAB INHIBITOR ALPHA was indexed under DNA-BINDING PROTEINS 1999-2002 and under I-KAPPA B PROTEINS 2003-2016
History Note
2017 (1991)
Date Established
2017/01/01
Date of Entry
2016/07/08
Revision Date
2017/06/30
NF-KappaB Inhibitor alpha Preferred
page delivered in 0.147s