UniProt ID: Q502F0 |
FUNCTION: Transcriptional activator. Binds the cAMP response element (CRE). Activates transcription through box-B element and CRE. Seems to function synergistically with atf6 (By similarity). Regulates FGF21 transcription (By similarity). {ECO:0000250, ECO:0000250|UniProtKB:Q91XE9}. SUBUNIT: Binds DNA as a dimer. {ECO:0000250|UniProtKB:Q68CJ9}. SUBCELLULAR LOCATION: Endoplasmic reticulum membrane {ECO:0000250|UniProtKB:Q68CJ9}; Single-pass type II membrane protein {ECO:0000250|UniProtKB:Q68CJ9}. SUBCELLULAR LOCATION: [Processed cyclic AMP-responsive element-binding protein 3-like protein 3-A]: Nucleus {ECO:0000250|UniProtKB:Q68CJ9}. PTM: Controlled by regulated intramembrane proteolysis (RIP). A fragment containing the cytoplasmic transcription factor domain is released by proteolysis. The cleavage seems to be performed sequentially by site-1 and site-2 proteases (By similarity). {ECO:0000250}. SIMILARITY: Belongs to the bZIP family. ATF subfamily. {ECO:0000305}. |
UniProt ID: Q1LYG4 |
FUNCTION: Transcriptional activator. Binds the cAMP response element (CRE). Activates transcription through box-B element and CRE. Seems to function synergistically with atf6 (By similarity). Regulates FGF21 transcription (By similarity). {ECO:0000250, ECO:0000250|UniProtKB:Q91XE9}. SUBUNIT: Binds DNA as a dimer. {ECO:0000250|UniProtKB:Q68CJ9}. SUBCELLULAR LOCATION: Endoplasmic reticulum membrane {ECO:0000250|UniProtKB:Q68CJ9}; Single-pass type II membrane protein {ECO:0000250|UniProtKB:Q68CJ9}. SUBCELLULAR LOCATION: [Processed cyclic AMP-responsive element-binding protein 3-like protein 3-B]: Nucleus {ECO:0000250|UniProtKB:Q68CJ9}. PTM: Controlled by regulated intramembrane proteolysis (RIP). A fragment containing the cytoplasmic transcription factor domain is released by proteolysis. The cleavage seems to be performed sequentially by site-1 and site-2 proteases (By similarity). {ECO:0000250}. SIMILARITY: Belongs to the bZIP family. ATF subfamily. {ECO:0000305}. SEQUENCE CAUTION: Sequence=CAK05095.1; Type=Erroneous initiation; Evidence={ECO:0000305}; |
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