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Active Cluster Of Differentiation 42b (CD42b)
GP1Ba; CD42-B; CD42b-Alpha; GP1-BA; BSS; GP1B; GPIBA; Glycocalicin; Glycoprotein Ib Alpha Polypeptide, Platelet
- Product No.APB108Hu61
- Organism SpeciesHomo sapiens (Human) Same name, Different species.
- Buffer FormulationPBS, pH7.4, containing 5% Trehalose.
- Traits Freeze-dried powder
- Purity> 95%
- Isoelectric Point4.9
- ApplicationsCell culture; Activity Assays.
- DownloadInstruction Manual
- UOM 10µg50µg 200µg 1mg 5mg
- FOB
US$ 230
US$ 576
US$ 1152
US$ 3456
US$ 8640
For more details, please contact local distributors!
ACTIVITY TEST
Cluster Of Differentiation 42b (CD42b) also known as CD42b GP Ib is a platelet activation marker involved in the process of coagulation as an aggregating factor. It is composed of a heterodimer, an alpha chain and a beta chain, that is linked by disulfide bonds. The binding of the CD42b-IX-V complex to VWF facilitates initial platelet adhesion to vascular subendothelium after vascular injury and also initiates signaling events within the platelet that lead to enhanced platelet activation, thrombosis and hemostasis. Besides, ITGaM has been identified as an interactor of CD42b, thus a functional binding ELISA assay was conducted to detect the interaction of recombinant human CD42b and recombinant human ITGaM. Briefly, CD42b was diluted serially in PBS with 0.01% BSA (pH 7.4). Duplicate samples of 100 μl were then transferred to ITGaM-coated microtiter wells and incubated for 1h at 37℃. Wells were washed with PBST and incubated for 1h with anti-CD42b pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody for 1h at 37℃, wells were aspirated and washed 5 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37℃. Finally, add 50 µL stop solution to the wells and read at 450/630 nm immediately. The binding activity of recombinant human CD42b and recombinant human ITGaM was shown in Figure 1, the EC50 for this effect is1.16 ug/mL.
USAGE
Reconstitute in 10mM PBS (pH7.4) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
STORAGE
Avoid repeated freeze/thaw cycles. Store at 2-8°C for one month. Aliquot and store at -80°C for 12 months.
STABILITY
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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| Magazine | Citations |
| Scientific Reports | Epac1-deficient mice have bleeding phenotype and thrombocytes with decreased GPIb β expression articles:s41598-017-08975-y |
| Platelets | Actin polymerization regulates glycoprotein Ib¦Á shedding 33979555 |
| Cell Death & Disease | Essential role of zyxin in platelet biogenesis and glycoprotein Ib-IX surface expression 34657146 |