One-step HPLC purification procedure for porcine brain 90-kDa heat shock protein

Autor: Wen-Chuan Lee, Lawrence Fu-nien Chu, Teh-yang Huang, Simon J.T. Mao, Redman Chu, Ping-Cheng Yang
Rok vydání: 1997
Předmět:
Zdroj: Protein expression and purification. 10(2)
ISSN: 1046-5928
Popis: The 90-kDa heat shock protein (HSP90) was purified from porcine brain by a novel single-step purification procedure using diethylaminoethyl high-performance liquid chromatography (HPLC). About 4.8 mg of HSP90 was isolated from 25 g wet wt porcine brain tissue. The purified protein possessed a single moiety on one- and two-dimensional sodium dodecyl sulfate–polyacrylamide gel electrophoresis followed by silver staining. Western blotting using monoclonal antibody prepared against human HSP90 confirmed its identity as HSP90. These results indicate that small-scale HPLC purification of HSP90 from porcine brain tissue can be readily accomplished, with high yield, using a convenient one-step purification method. The procedure described in this paper represents a significant improvement in current purification methods for the isolation of HSP90 from porcine brain.
Databáze: OpenAIRE