Synonyms:CREBL1, G13 Background:The endoplasmic reticulum (ER)-transmembrane proteins, ATF6 alpha (ATF6) and ATF6 beta (ATF6B), are cleaved during the ER stress response (ERSR). The resulting N-terminal fragments of both ATF6 isoforms, which have conserved basic leucine-zipper and DNA binding domains but divergent transcriptional activation domains, translocate to the nucleus where they bind to ER stress-response elements (ERSE) in ERSR, such as Bip/GRP78. This antibody could recognize ATF6 beta (110kd) and its cleaved forms(60,80kd )(PMID: 11256944)