Fig. 4From: OsANN4 modulates ROS production and mediates Ca2+ influx in response to ABAAnalysis of the subcellular localization and Ca2+-binding characteristics of OsANN4. a Fluorescence excitation of the purified OsANN4-His protein. b Emission spectra of the purified OsANN4-His protein. c Subcellular localization of OsANN4-GFP in 3-d-old root tip cells, GFP was used as a control. Scale bars are 20 μmBack to article page