At5g01490 F7A7.10 Ca(2+)/H(+) exchanger 4 MSSISTESSSNLSLLENGGGGSDKPTAETSRRVRRTVSASSLIRKRSDLKLISRVRWEFMRRILTNLQEVLLGTKLFILFPAVPLAVVAHRYDCPRAWVFALSLLGLTPLAERISFLTEQIAFHTGPTVGGLMNATCGNATEMIIAILAVGQRKMRIVKLSLLGSILSNLLFVLGTSLFLGGISNLRKHQSFDPRQGDMNSMLLYLALLCQTLPMIMRFTMEAEEYDGSDVVVLSRASSFVMLIAYLAFLIFHLFSSHLSPPPPPLPQREDVHDDDVSDKEEEGAVIGMWSAIFWLIIMTLLVALLSDYLVSTIQDAADSWGLSVGFIGIILLPIVGNAAEHAGAVIFAFRNKLDITLGIALGSATQIALFVVPVTVLVAWTMGIEMDLNFNLLETACFALSILVTSLVLQDGTSNYMKGLVLLLCYVVIAACFFVSNSPSSKLLF CAX4_ARATH Protein CATION EXCHANGER 4 CAX4 Vacuolar cation/proton exchanger (CAX). Translocates Ca(2+) and other metal ions into vacuoles using the proton gradient formed by H(+)-ATPase and H(+)-pyrophosphatase. Cation selectivity transport in tobacco root tonoplast vesicles is Cd(2+)>Zn(2+)>>Ca(2+)>>>Mn(2+). Vacuolar cation/proton exchanger 4 Ca(2+)/H(+) antiporter CAX4 446