tokens: Furthermore , the soluble forms of ATF6 and the G13 gene product are unable to bind to several point mutants of the cis acting ER stress response element in vitro that hardly respond to ER stress in vivo .
folded_tokens: furthermore , the soluble form of atf6 and the g13 gene product be unable to bind to several point mutant of the ci act er stress response element in vitro that hardly respond to er stress in vivo .