HisLink Spin Protein Purification System - MyBio Ireland - Promega

HisLink Spin Protein Purification System

HisLink Protein Purification Systems are designed for purification of polyhistidine (His)-tagged or HQ-tagged proteins directly from culture medium containing bacterial cells expressing the tagged protein of interest. The product uses the HisLink Protein Purification Resin (Cat.# V8821), a macroporous silica resin derivatized with a high level of tetradentate-chelated nickel (>20mmol Ni/ml settled resin). The resin performs well in either column, batch or vacuum-based methods with a binding capacity of >15mg/ml of resin. The HisLink Protein Purification Resin is useful in all general immobilized metal affinity chromatography (IMAC) applications matrix as well as in low- to medium-pressure liquid chromatography systems. The bacterial cells are lysed using the FastBreak Cell Lysis Reagent (Cat.# V8573), and the crude lysate is combined with the HisLink Resin. The addition of these reagents results in simultaneous bacterial lysis and binding of the polyhistidine- or HQ-tagged proteins. The samples are transferred to user-provided columns or to included Spin Columns (Cat.# V1320), where the untagged proteins are washed away and the His-tagged protein is recovered by elution with imidazole. If desired, the resin may be used in vacuum filtration devices (e.g., Vac-Man Vacuum Manifold [Cat.# A7231]) to rapidly process simultaneous samples.

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