[One of a number of ankyrin-rich proteins known as IkappaB that interact with and regulate members of the Rel/NF-kappaB family of transcription factors. IkappaB-alpha is the inhibitory subunit of NF-kappaB. ( NCI )]
UMLS (NCI) C0126732 - Amino Acid, Peptide, or Protein
- Biologically Active Substance