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Activating transcription factor 3 is a member of the mammalian activation transcription factor/cAMP responsive element-binding (CREB) protein family of transcription factors. Multiple transcript variants encoding two different isoforms have been found for this gene. The longer isoform represses rather than activates transcription from promoters with ATF binding elements. The shorter isoform (deltaZip2) lacks the leucine zipper protein-dimerization motif and does not bind to DNA, and it stimulates transcription presumably by sequestering inhibitory co-factors away from the promoter. It is possible that alternative splicing of the ATF3 gene may be physiologically important in the regulation of target genes.

Target	ATF3
Reactivity	Human
Host	Rabbit
Clonality	Polyclonal
Tested Applications	FCM
Recommended dilutions	Optimal dilutions/concentrations should be determined by the end user.
Immunogen	Human ATF3.
Purification	Peptide Affinity Purified Rabbit Polyclonal Antibody.
Isotype	IgG
Conjugation	Unconjugated
Specificity	This ATF3 antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide between 140-168 amino acids from the C-terminal region of human ATF3.
Storage	Aliquot and store at -20 °C. Avoid repeated freeze/thaw cycles.
Swiss Prot	P18847
Gene Symbol	ATF3
Buffer	PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.
Availability	Shipped within 5-10 working days.
Note	This product is for research use only.