phototropic-responsive NPH3 family protein. similar to phototropic-responsive NPH3 family protein [Arabidopsis thaliana] (TAIR:AT5G17580.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24302.1); contains InterPro domain NPH3; (InterPro:IPR004249); contains InterPro domain BTB/POZ fold; (InterPro:IPR011333); contains InterPro domain Kelch related (InterPro:IPR013089)