PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24512658-4 2014 Our results show that GRP94 is not an integral membrane protein since 50 mM Na2CO3 treatment dissociates part of it from the membrane. sodium carbonate 76-82 heat shock protein 90 beta family member 1 Homo sapiens 22-27 1900837-7 1991 On the other hand, using the method of sodium carbonate extraction, grp 94 exhibited properties of both a luminal and integral membrane protein. sodium carbonate 39-55 heat shock protein 90 beta family member 1 Homo sapiens 68-74