Human ENPP7 HEK293 Overexpression Lysate: Product Information
This Human ENPP7 overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of ENPP7 protein (Cat: 10885-H08H) from the overexpression lysate was verified.
A DNA sequence encoding the human ENPP7 (NP_848638.2) (Met 1-Ser 439) was fused with a C-terminal polyhistidine tag.
The secreted recombinant human ENPP7 comprises 429 amino acids with a predicted molecular mass of 49 kDa. As a result of glycosylation, rh ENPP7 migrates as an approximately 55-60 kDa band in SDS-PAGE under reducing conditions.
Human ENPP7 HEK293 Overexpression Lysate: Usage Guide
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.
2. Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
Stability & Storage
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
Western Blot (WB) Optimal dilutions/concentrations should be determined by the end user.
Human ENPP7 HEK293 Overexpression Lysate: Alternative Names
Human ALK-SMase Overexpression Lysate; Human E-NPP7 Overexpression Lysate; Human NPP-7 Overexpression Lysate; Human NPP7 Overexpression Lysate
ENPP7 Background Information
Ectonucleotide pyrophosphatase / phosphodiesterase family member 7, also known as Alkaline sphingomyelin phosphodiesterase, Intestinal alkaline sphingomyelinase, Alk-Smase, ENPP7 and NPP-7, is a single-pass type I membrane protein which belongs to thenucleotide pyrophosphatase / phosphodiesterase family. ENPP7 / NPP-7 is expressed in the intestines and human bile. ENPP7 / NPP-7 is localized at the surface of the microvillar membrane in small intestine enterocytes, as well as in endosome-like structures and in Golgi complex. The main function of ENPP7 / NPP-7 is to convert the dietary sphingomyelin into ceramide, the sphingolipid messengers via hydrolyzation. ENPP7 / NPP-7 is also reported to exert a phospholipase C activity toward palmitoyl lyso-phosphocholine. The activity of this enzyme is inhibited in a dose dependent manner by ATP, imidazole, orthovanadate and zinc ion. Further, It has been shown in studies that decreased levels of ENPP7 / NPP-7 may be associated with human colon cancer.
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