CREB Mouse monoclonal antibody - #BF8028
*The optimal dilutions should be determined by the end user.
WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.
Active transcription factor CREB; cAMP response element binding protein 1; cAMP response element binding protein; cAMP responsive element binding protein 1; cAMP-responsive element-binding protein 1; CREB; CREB-1; CREB1; CREB1_HUMAN; Cyclic AMP-responsive element-binding protein 1; MGC9284; OTTHUMP00000163864; OTTHUMP00000163865; OTTHUMP00000206660; OTTHUMP00000206662; OTTHUMP00000206667; Transactivator protein;
A synthesized peptide derived from human CREB1(Accession P16220)
PTMs - P16220 As Substrate
|S108||Phosphorylation||P68400 (CSNK2A1) , P48729 (CSNK1A1)||Uniprot|
|S111||Phosphorylation||P68400 (CSNK2A1) , P48729 (CSNK1A1) , Q13315 (ATM)||Uniprot|
|S121||Phosphorylation||Q13535 (ATR) , Q13315 (ATM)||Uniprot|
|S133||Phosphorylation||Q16539 (MAPK14) , P31751 (AKT2) , Q02156 (PRKCE) , O43781 (DYRK3) , Q96NX5 (CAMK1G) , Q16566 (CAMK4) , P17612 (PRKACA) , Q6SA08 (TSSK4) , Q99986 (VRK1) , Q13557 (CAMK2D) , Q15418 (RPS6KA1) , O75676 (RPS6KA4) , P28482 (MAPK1) , Q14012 (CAMK1) , Q06187 (BTK) , P51812 (RPS6KA3) , Q13627 (DYRK1A) , O75582 (RPS6KA5) , P41279 (MAP3K8) , O00141 (SGK1) , P27361 (MAPK3) , P31749 (AKT1) , Q13315 (ATM) , Q15349 (RPS6KA2) , Q9Y243 (AKT3) , P49137 (MAPKAPK2) , Q15139 (PRKD1)||Uniprot|
|S142||Phosphorylation||Q9UQM7 (CAMK2A) , Q13557 (CAMK2D)||Uniprot|
|S271||Phosphorylation||Q9H2X6 (HIPK2) , P06493 (CDK1)||Uniprot|
Phosphorylation-dependent transcription factor that stimulates transcription upon binding to the DNA cAMP response element (CRE), a sequence present in many viral and cellular promoters. Transcription activation is enhanced by the TORC coactivators which act independently of Ser-133 phosphorylation. Involved in different cellular processes including the synchronization of circadian rhythmicity and the differentiation of adipose cells.
Stimulated by phosphorylation. Phosphorylation of both Ser-133 and Ser-142 in the SCN regulates the activity of CREB and participates in circadian rhythm generation. Phosphorylation of Ser-133 allows CREBBP binding. In liver, phosphorylation is induced by fasting or glucagon in a circadian fashion (By similarity). CREBL2 positively regulates phosphorylation at Ser-133 thereby stimulating CREB1 transcriptional activity (By similarity). Phosphorylated upon calcium influx by CaMK4 and CaMK2 on Ser-133. CaMK4 is much more potent than CaMK2 in activating CREB. Phosphorylated by CaMK2 on Ser-142. Phosphorylation of Ser-142 blocks CREB-mediated transcription even when Ser-133 is phosphorylated. Phosphorylated by CaMK1 (By similarity). Phosphorylation of Ser-271 by HIPK2 in response to genotoxic stress promotes CREB1 activity, facilitating the recruitment of the coactivator CBP. Phosphorylated at Ser-133 by RPS6KA3, RPS6KA4 and RPS6KA5 in response to mitogenic or stress stimuli. Phosphorylated by TSSK4 on Ser-133.
Sumoylated with SUMO1. Sumoylation on Lys-304, but not on Lys-285, is required for nuclear localization of this protein. Sumoylation is enhanced under hypoxia, promoting nuclear localization and stabilization.
Interacts with PPRC1. Binds DNA as a dimer. This dimer is stabilized by magnesium ions. Interacts, through the bZIP domain, with the coactivators TORC1/CRTC1, TORC2/CRTC2 and TORC3/CRTC3. When phosphorylated on Ser-133, binds CREBBP (By similarity). Interacts with CREBL2; regulates CREB1 phosphorylation, stability and transcriptional activity (By similarity). Interacts (phosphorylated form) with TOX3. Interacts with ARRB1. Binds to HIPK2. Interacts with SGK1. Interacts with TSSK4; this interaction facilitates phosphorylation on Ser-133. Forms a complex with KMT2A and CREBBP.
(Microbial infection) Interacts with hepatitis B virus/HBV protein X.
(Microbial infection) Interacts with HTLV-1 protein Tax.
Belongs to the bZIP family.
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