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.
Also Known As:
I Kappa B-alpha Protein; IKappaB-alpha; IKappaBalpha; Major Histocompatibility Complex Enhancer-Binding Protein MAD3; p40 Protein (IKappaB-alpha); I Kappa B alpha Protein; IKappaB alpha; Inhibitor alpha, NF-KappaB; Major Histocompatibility Complex Enhancer Binding Protein MAD3; NF KappaB Inhibitor alpha; alpha, NF-KappaB Inhibitor