PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7782303-5 1995 In the presence of MnCl2 and MgCl2 defined changes in the quaternary structure of Hsp90 could be observed which resulted in a decrease in thermostability and an increased tendency to form larger aggregates. Magnesium Chloride 29-34 heat shock protein 90 alpha family class A member 1 Homo sapiens 82-87