>tr|P74072 H+/CA2+ EXCHANGER - Synechocystis sp. (strain PCC 6803). MSTKSKIFLVLLVFCPLSFAAHWLGWGETTVFILAGLAIVPLAAFMGTATEEIAVVIGPNAGGLLNATFGNATELILAYI ALKEGLIEVVKATLTGSIIGNLLLVMGFAVFLGGLRYKEQNFQPLAARLNASTMNLGVVAILLPTALQYTSTGVEETVLQ NLSVAVAVVLIGVYLLSLVFSMGTHAYLYDVGVAENMEMPELGEDVSEPEPPTEEEKPNLWLWTGVLLVVTLGVAVESEL LVGSLEVATESLGLTALFTGVIVLPIIGNAAEHATAVTVAMKDKMDLSMSVVMGSSLQIAFFVAPVLVIVGWAIGQPMDL NFNPFELVAVLVAVLIVNSISSDGTSNWLEGILLLATYAIVALAFFFHPTLV