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RhoA His Protein: wild type
| 貨號(hào) | RH01-A | 售價(jià)（元） | 6377 |
| 規(guī)格 | 1 x 100 μg | CAS號(hào) |
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Product Uses Include：
RhoA biochemistry
RhoA GTPase assays
RhoA nucleotide exchange assays
RhoA binding studies
Material：
The human RhoA protein has been produced in a bacterial expression system. The protein is supplied as a lyophilized powder. When it is reconstituted in distilled water to 1 mg/ml, the protein is in the following buffer: 2 mM Tris pH 7.6, 0.5 mM MgCl2, 0.5% sucrose, 0.1% dextran. Protein concentration is determined by the Precision Red Advanced Protein Assay Reagent, Cat. # ADV02.
The recombinant protein is approximately 27 kDa, consisting of the RhoA protein plus a histidine tag in the amino-terminus.
For other forms of RhoA as well as many other purified small G-proteins, see our main small G-protein product page.
Purity：
Purity is determined by scanning densitometry of proteins on SDS-PAGE gels. His-RhoA samples are >85% pure.
Figure 1: His-RhoA protein purity determination. A 10 μg sample of RH01 (His-RhoA molecular weight approx. 28 kDa) was separated by electrophoresis in a 12% SDS-PAGE system. The protein was stained with Coomassie Blue.
Biological Activity：
The biological activity of His-RhoA is determined from its ability to catalyze the exchange of GDP for GTP. The human Dbs (DH/PH) protein (Cat. # GE01) is an exchange factor for RhoA and Cdc42, and is used with the RhoGEF exchange assay Biochem Kit? (Cat. # BK100) to monitor the exchange ability of His-RhoA. Stringent quality control ensures that the exchange rate (Vmax) of RhoA is enhanced eight fold in the presence of an equimolar amount of hDbs.
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