Detection of Human and Mouse SDPR by Western Blot. Western blot shows lysates of human heart and mouse lung tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human/Mouse SDPR Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5759) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for SDPR at approximately 70 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.
Preparation and Storage
Reconstitute at 0.2 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
SDPR (Serum deprivation response gene; also SDR and PS-p68) is a 68‑70 kDa member of the PTRF/SDPR family of proteins. It is expressed in striated muscle, platelets, and fibroblasts, and is cytosolic in location. SDPR is known to bind phosphatidylserine and form complexes with both PKC alpha and PTRF, targeting them to caveolae. Human SDPR is 425 amino acids (aa) in length. It contains an N-terminal acetylglycine, three coiled-coil regions (aa 61‑82, 125‑154, and 210‑268), and two serine phosphorylation sites at positions 287 and 293. Over aa 1‑180, human SDPR shares 91% aa identity with mouse SDPR.
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