PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 25068977-9 2014 First, SBMA@CNT form interconnected channels for CO2 transport due to the facilitated transport effect of the quaternary ammonium in repeat unit of pSBMA. quaternary ammonium 110-129 androgen receptor Homo sapiens 7-12