>2qvk_A mol:protein length:192 Sodium/calcium exchanger 1 GPGHAGIFTFEEPVTHVSESIGIMEVKVLRTSGARGNVIVPYKTIEGTARGGGEDFEDT CGELEFQNDEIVKTISVKVIDDEEYEKNKTFFLEIGEPRLVEMSEKKALLLNELGGFTI TGKYLYGQPVFRKVHAREHPIPSTVITIAEEYDDKQPLTSKEEEERRIAEMGRPILGEH TKLEVIIEESYEFKS