Recombinant Human CD38 Fc Chimera Protein, CF

R&D Systems | Catalog # 10920-AC

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Key Product Details

  • R&D Systems HEK293-derived Recombinant Human CD38 Fc Chimera Protein (10920-AC)
  • Quality control testing to verify active proteins with lot specific assays by in-house scientists
  • All R&D Systems proteins are covered with a 100% guarantee

Source

HEK293

Accession Number

P28907.2

Applications

Enzyme Activity
View all CD38 Proteins and Enzymes »

Product Specifications

Source

Human embryonic kidney cell, HEK293-derived human CD38 protein
Human CD38
(Val43-Ile300)
Accession # P28907.2		 IEGRMD Human IgG1
(Pro100-Lys330)
N-terminus C-terminus

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

Val43

Predicted Molecular Mass

57 kDa

SDS-PAGE

67-74 kDa, under reducing conditions

Activity

Measured by its ability to convert the substrate nicotinamide guanine dinucleotide (NGD+) to cyclic GDP-ribose. Graeff, R.M. et al. (1994) J. Biol. Chem. 269:30260.
The specific activity is >900 pmol/min/μg, as measured under the described conditions.

Reviewed Applications

Read 1 review rated 4 using 10920-AC in the following applications:

Scientific Data Images for Recombinant Human CD38 Fc Chimera Protein, CF

Recombinant Human CD38 Fc Chimera Protein SDS-PAGE.

2 μg/lane of Recombinant Human CD38 Fc Chimera Protein (Catalog # 10920-AC) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 67-74 kDa and 130-150 kDa, respectively.

Formulation, Preparation, and Storage

10920-AC
Formulation Supplied as a 0.2 μm filtered solution in MES and NaCl.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: CD38

CD38, also known as ADP-ribosyl cyclase, converts NAD(P)+ into three separate products with calcium mobilizing ability: cyclic ADP-ribose, NAADP+, and ADP-ribose (1). CD38 is a Type II transmembrane glycoprotein composed of an intracellular domain, a single transmembrane helix domain, and a large extracellular domain that contains the catalytic site (2). CD38 is expressed in B and T lymphocytes, osteoclasts, and in cardiac, pancreatic, liver and kidney cells (3,4). Through its production of cyclic ADP-ribose, CD38 modulates calcium-mediated signal transduction in many types of cells (5,6). CD38 is also reported to bind as a receptor to trigger signaling cascades (7,8). Through both mechanisms, CD38 influences proliferation and trafficking (8,9). CD38 is used as a marker for poor prognosis in chronic lymphocytic leukemia and multiple myeloma and is an attractive cancer immunotherapy drug target (8-11).

References

  1. Schuber, F. and F.E. Lund (2004) Curr. Mol. Med. 4:249.
  2. Liu, Q. et al. (2005) Structure. 13:1331.
  3. Jackson, D.G. and J.I. Bell (1990) J. Immunol. 144:2811.
  4. Sun, L. et al. (1999) J. Cell Biol. 146:1161.
  5. Partida-Sanchez, S. et al. (2001) Nature Med. 7:1209.
  6. Kato, I. et al. (1995) J. Biol. Chem. 270:30045. 
  7. Deaglio, S. (2000) Chem. Immunol. 75:99.
  8. Chillemi,A. et al. (2013) Mol. Med. 19:99.
  9. Vaisitti, T. et al. (2015) Leukemia. 29:356.
  10. Atanackovic, D. et al. (2016) Oncoimmunology. 5:e1217374.
  11. Tai, Y-T. et al. (2017) Oncotarget. 8:112166.

Long Name

Cluster of Differentiation 38

Alternate Names

ADP-ribosyl Cyclase, CD38, Cyclic ADP-ribose Hydrolase

Entrez Gene IDs

952 (Human); 12494 (Mouse); 25668 (Rat); 102126394 (Cynomolgus Monkey)

Gene Symbol

CD38

UniProt

P28907.2

Additional CD38 Products

Product Documents for Recombinant Human CD38 Fc Chimera Protein, CF

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Recombinant Human CD38 Fc Chimera Protein, CF

For research use only

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Protocols

View specific protocols for Recombinant Human CD38 Fc Chimera Protein, CF (10920-AC):

Materials
  • Assay Buffer: 50 mM MES, pH 6.5
  • Recombinant Human CD38 (rhCD38) (Catalog # 10920-AC)
  • Substrate:  Nicotinamide guanine dinucleotide sodium salt (NGD+) (Sigma, Catalog # N5131), 10 mM stock in deionized water
  • F16 Black Maxisorp Plate (Nunc, Catalog # 475515)
  • Fluorescent Plate Reader (Model: SpectraMax M5 by Molecular Devices) or equivalent
  1. Dilute rhCD38 to 4 ng/µL in Assay Buffer.
  2. Dilute Substrate to 400 µM in Assay Buffer.
  3. Load in plate 50 µL of 4 ng/µL rhCD38, and start the reaction by adding 50 µL of 400 µM Substrate. Include a Substrate Blank containing 50 µL Assay Buffer and 50 µL of 400 µM Substrate.
  4. Read at excitation and emission wavelengths of 300 nm and 410 nm (top read), respectively in kinetic mode for 5 minutes.
  5. Calculate specific activity:

     Specific Activity (pmol/min/µg) =

 Adjusted Vmax* (RFU/min) x Conversion Factor** (pmol/RFU)
amount of enzyme (µg)


 *Adjusted for Substrate Blank
**Derived using calibration standard cyclic GDP ribose (cGDPR).

Per Well:

  • rhCD38: 0.2 µg
  • Substrate: 200 µM






















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