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Specifications

Clone Host Grade Applications Polyclonal Rabbit Affinity Purified B IP

Of the 11 families of phosphodiesterase (PDEs) identified, PDE4, PDE7, and PDE8 are specific for cAMP. However, isoforms of the PDE4 family often account for most of the cAMP-hydrolyzing activity of a cell. Four genes (PDE4A, B, C and D) make up the PDE4 family. One or more subtype variants of PDE4B are ubiquitously present in all mammalian cells. In the CNS, PDE4B subtype variants are expressed in varying ratios. Peripheral tissues exhibit differential expression of PDE4B1, B2 and B4 variants.
Catalog #	P4072-03
Applications	Suitable for use in Immunoprecipitation and Western Blot. Other applications have not been tested.
Recommended Dilution;Immunoprecipitation	7ug/ml
	Western Blot: 1-3ug/ml
	Optimal dilutions to be determined by the researcher.
Storage and Stability	May be stored at 4°C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and add glycerol (40-50%). Freeze at -20°C. Aliquots are stable for at least 12 months at -20°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.
Clone Type	Polyclonal
Host	Rabbit
Source	Human
Concentration	0.25mg/ml
Form	Supplied as a liquid in PBS, pH 7.4, 0.1% sodium azide.
Purity	Purified by immunoaffinity chromatography.
Immunogen	Synthetic peptide derived from the N-terminal region of human and rat PDE4B protein.
Specificity	Reacts with the human and rat PDE4B protein. On Western blots, it identifies a single band at ~83kD. Bands of unknown origin may be observed at ~160 and ~260kD. Reactivities have been confirmed with NG96 human neuroblastoma lysate and rat brain homogenate.
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.