IQD23 (IQ-domain 23); calmodulin binding. similar to IQD24 (IQ-domain 24), calmodulin binding [Arabidopsis thaliana] (TAIR:AT5G07240.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO63692.1); contains InterPro domain IQ calmodulin-binding region (InterPro:IPR000048)