Active Histidine Rich Glycoprotein (HRG)
HPRG; HRGP; Histidine-Proline Rich Glycoprotein; Thrombophilia Due To Elevated HRG
- Product No.APC534Hu61
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Buffer FormulationPBS, pH7.4, containing 5% Trehalose.
- TraitsFreeze-dried powder
- Purity> 97%
- Isoelectric Point7.0
- ApplicationsCell culture; Activity Assays.
- Download Instruction Manual
- UOM 10µg50µg 200µg 1mg 5mg
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FOB
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Packages (Simulation)
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Packages (Simulation)
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Gene sequencing
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Figure. SDS-PAGE
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WB Image
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ISO9001: 2008, ISO13485: 2003 Registered
ACTIVITY TEST of the Active Histidine Rich Glycoprotein (HRG)
Human histidine-rich glycoprotein (HRG) is a multidomain, monomeric, secreted, 67-75 kDa member of the cystatin superfamily of molecules. Its name derives from the fact that 26% of its amino acids (aa) are histidine and proline. In human, it is synthesized as a 525 aa precursor that contains an 18 aa signal sequence and a 507 aa mature region. Five distinct domains are recognized in the mature molecule. As HRG has the function of cell adhesion, we measure the activity of recombinant human HRG by the ability of the immobilized protein to support the adhesion of con-A activated MOLT 4 human acute lymphoblastic leukemia cells. When 1 x 105 cells/well with 7.5 ug/ml conA are added to recombinat human HRG coated plates (0.1 µg/mL with 100 µL/well), >70% cells will adhere after 2 hour incubation at 37 ℃. The adhesion of MOLT-4 after 2 hour incubation at 37 ℃ observed by inverted microscope was shown in Figure 1.
USAGE of the Active Histidine Rich Glycoprotein (HRG)
Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
STORAGE of the Active Histidine Rich Glycoprotein (HRG)
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.
STABILITY of the Active Histidine Rich Glycoprotein (HRG)
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37°C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.
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