IQD2 (IQ-domain 2); calmodulin binding. similar to IQD1 (IQ-DOMAIN 1), calmodulin binding [Arabidopsis thaliana] (TAIR:AT3G09710.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO18115.1); contains InterPro domain IQ calmodulin-binding region (InterPro:IPR000048)