ab172730 - Rabbit monoclonal IgG, is suitable for use as an isotype control with this antibody.
1/250 - 1/500.
Application notesIs unsuitable for IP.
FunctionTranscription factor essential for hepatocyte growth, the differentiation of plasma cells, the immunoglobulin secretion, and the unfolded protein response (UPR). Acts during endoplasmic reticulum stress (ER) by activating unfolded protein response (UPR) target genes via direct binding to the UPR element (UPRE). Binds DNA preferably to the CRE-like element 5'-GATGACGTG[TG]N(3)[AT]T-3', and also to some TPA response elements (TRE). Binds to the HLA DR-alpha promoter. Binds to the Tax-responsive element (TRE) of HTLV-I.
Involvement in diseaseGenetic variations in XBP1 could be associated with susceptibility to major affective disorder type 7 (MAFD7) [MIM:612371]. Major affective disorders represent a class of mental disorders characterized by a disturbance in mood as their predominant feature.
Sequence similaritiesBelongs to the bZIP family. Contains 1 bZIP domain.
Overlay histogram showing HepG2 cells stained with ab109221 (red line). The cells were fixed with 80% methanol (5 min) and then permeabilized with 0.1% PBS-Tween for 20 min. The cells were then incubated in 1x PBS / 10% normal goat serum / 0.3M glycine to block non-specific protein-protein interactions followed by the antibody (ab109221, 1/100 dilution) for 30 min at 22°C. The secondary antibody used was Alexa Fluor® 488 goat anti-rabbit IgG (H&L) (ab150077) at 1/2000 dilution for 30 min at 22°C. Isotype control antibody (black line) was rabbit IgG (monoclonal) (1μg/1x106 cells) used under the same conditions. Unlabelled sample (blue line) was also used as a control. Acquisition of >5,000 events were collected using a 20mW Argon ion laser (488nm) and 525/30 bandpass filter.
Western blot - XBP1 antibody [EPR4086] (ab109221)
All lanes : Anti-XBP1 antibody [EPR4086] (ab109221) at 1/1000 dilution
Lane 1 : Fetal heart cell lysates Lane 2 : Fetal kidney cell Fysates Lane 3 : HT-29 cell lysates Lane 4 : 293T cell lysates Lane 5 : Jurkat cell lysates
Lysates/proteins at 10 µg per lane.
Secondary Standard HRP labelled goat anti-rabbit at 1/2000 dilution