NPH3 (NON-PHOTOTROPIC HYPOCOTYL 3); signal transducer. Identical to Root phototropism protein 3 (RPT3) [Arabidopsis Thaliana] (GB:Q9FMF5;GB:Q9SPB4); similar to phototropic-responsive NPH3 family protein [Arabidopsis thaliana] (TAIR:AT1G30440.1); similar to hypothetical protein OsI_007587 [Oryza sativa (indica cultivar-group)] (GB:EAY86354.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN60915.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO64758.1); contains InterPro domain NPH3; (InterPro:IPR004249); contains InterPro domain BTB/POZ fold; (InterPro:IPR011333); contains InterPro domain BTB/POZ-like; (InterPro:IPR000