Here you are: IMGT Web resources > IMGT Lexique

NFKB and IKB

The activities of NF-κB proteins are controlled by members of the IκB family of inhibitor proteins:

IKBA IκB-α
IKBB IκB-β
NFKB1 IκB-γ/p105/NF-κB1
NFKB2 IκB-δ/p100/NF-κB2
IKBE IκB-ε
BCL3 Bcl-3
MAIL  

all of which contain five to seven ankyrin-repeats serving as binding interfaces [1].

Reference:
[1] Baeuerle, P. A. and Baltimore, D. Cell 87, 13-20 (1996).