Local PH Near the Export Apparatus (IMAGE) Osaka University Caption Local pH near the export apparatus. In the absence of ATPase, the local pH value is higher than that of wild type. Credit Osaka University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.