Human ADPN (Adiponutrin; also PNPLA3 and patatin-like phospholipase domain-containing protein 3) is a 53kD member of the PNPLA family of phospholipase A2 enzymes. It is expressed in white adipocytes. Adiponutrin is elevated in response to insulin and appears to act not as a phospholipase, but a molecule involved in anabolic pathways. ADPN is likely to be a type II transmembrane protein that is 481aa in length. It contains one patatin domain (aa10-179) that
is associated with in vitro enzyme activity and a transmembrane segment between
aa42-62. There appear to be two splice variants. One shows a four aa deletion of aa59-62 and a second shows an alternate start site at Met379. Over aa 160-349, human ADPN shares 61% aa identity with mouse Adiponutrin.
Applications:
Suitable for use in ELISA, Western Blot, and Immunohistochemistry. Other applications not tested.
Recommended Dilution:
ELISA: 0.5-1.0ug/ml
Western Blot: 1.0ug/ml
Immunohistochemistry: 10ug/ml
Optimal dilutions to be determined by the researcher.
Storage and Stability:
Lyophilized powder may be stored at 4 degrees C for short-term only. Reconstitute to nominal volume by adding sterile 40-50% glycerol and 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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