PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24944200-2 2014 The amount of AQP2 on the plasma membrane is regulated by a balance of exocytosis and endocytosis and is the rate limiting step for water reabsorption in the collecting duct. Water 132-137 aquaporin 2 Rattus norvegicus 14-18