F16M14.10 Protein CATION EXCHANGER 1 RCI4 At2g38170 Protein RARE COLD INDUCIBLE 4 463 CAX1_ARATH MAGIVTEPWSVAENGNPSITAKGSSRELRLGRTAHNMSSSSLRKKSDLRVIQKVPYKGLKDFLSNLQEVILGTKLAILFPAIPAAIICTYCGVSQPWIFGLSLLGLTPLAERVSFLTEQLAFYTGPTLGGLLNATCGNATELIIAILALTNNKVAVVKYSLLGSILSNLLLVLGTSLFCGGIANIRREQRFDRKQADVNFFLLLLGFLCHLLPLLVGYLKNGEASAAVLSDMQLSISRGFSIVMLISYIAYLVFQLWTHRQLFDAQEQEDEYDDDVEQETAVISFWSGFAWLVGMTLVIALLSEYVVATIEEASDKWNLSVSFISIILLPIVGNAAEHAGAVIFAFKNKLDISLGVALGSATQIGLFVVPLTIIVAWILGINMDLNFGPLETGCLAVSIIITAFTLQDGSSHYMKGLVLLLCYFIIAICFFVDKLPQKQNAIHLGHQAMNNVVTATGGGVFSS CAX1 Vacuolar cation/proton exchanger 1 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. Involved in ion homeostasis in association with CAX3. May play a role in cold-acclimation response. Ca(2+)/H(+) exchanger 1 Ca(2+)/H(+) antiporter CAX1