CCAAT-enhancer binding protein epsilon (CEBP e) is a 32kD basic-leucine zipper transcription factor that is expressed in myeloblasts, granulocytes, and eosinophils. Multiple isoforms of human CEBP e are generated by alternate splicing and alternative translation initiation sites. All four isoforms contain the bZIP domain (aa208-267) but exert different effects on myeloid differentiation. Full length CEBP e and the 30kD isoform (aa33-281) cooperate with c-Myb to activate the transcription of genes involved in myeloid differentiation. The 27kD isoform (which lacks aa69-97) and the 14kD isoform (which begins at aa153) function as transcriptional repressors in eosinophils. Within aa151-210, human CEBP e shares 93aa sequence identity with mouse and rat CEBP e, respectively.
Applications:
Suitable for use in Western Blot and Immunocytochemistry. Other applications not tested.
Recommended Dilution:
Western Blot: 0.5ug/ml
Immunocytochemistry: 8-25ug/ml
Optimal dilutions to be determined by the researcher.
Storage and Stability:
Lyophilized powder may be stored at -20 degrees C. Stable for 12 months at -20 degrees C. Reconstitute with sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. Reconstituted product is stable for 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
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