Fui , Chin Chong and Wen, Siang Tan and Awang Biak, Dayang Radiah and Tau, Chuan Ling and Beng , Ti Tey (2009) Purification of histidine-tagged nucleocapsid protein of Nipah virus using immobilized metal affinity chromatography. Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, 877 (14-15). pp. 1561-1567. ISSN 1570- 0232
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Nucleocapsid (N) protein of Nipah virus (NiV) is a potential serological marker used in the diagnosis of NiV infections. In this study, a rapid and efficient purification system, HisTrapTM 6 Fast Flowpacked bed column was applied to purify recombinant histidine-tagged N protein of NiV from clarified feedstock. The optimizations of binding and elution conditions of N protein of NiV onto and from Nickel SepharoseTM 6 Fast Flow were investigated. The optimal binding was achieved at pH 7.5, superficial velocity of 1.25 cm/min.The bound N protein was successfully recovered by a stepwise elution with different concentration of imidazole (50, 150, 300 and 500 mM). The N protein of NiV was captured and eluted from an inlet N protein concentration of 0.4 mg/ml in a scale-up immobilizedmetal affinity chromatography (IMAC) packed bed column of Nickel SepharoseTM 6 Fast Flow with the optimized condition obtained from the method scouting. The purification of histidine-tagged N protein using IMAC packed bed column has resulted a 68.3% yield and a purification factor of 7.94.
|Keyword:||Nucleocapsid protein; Nipah virus; Immobilized metal affinity chromatography; Escherichia coli|
|Subject:||Proteins - Purification|
|Faculty or Institute:||Faculty of Biotechnology and Biomolecular Sciences|
|Deposited By:||Nida Hidayati Ghazali|
|Deposited On:||16 Jul 2012 02:51|
|Last Modified:||02 Nov 2012 03:46|
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