描述
Profinity eXact Purification Resin consists of a highly engineered subtilisin protease conjugated to an agarose-based matrix. The resulting purity of the eluted protein is typically higher than that for other affinity-tag systems due to the specific recognition (KD < 100 pM) that subtilisin has for its prodomain sequence (the Profinity eXact Tag). Once the Profinity eXact fusion protein has been captured by the Profinity eXact Purification Resin — and the cleavage reaction has been triggered with a sodium fluoride-containing buffer — the affinity tag is precisely cleaved at the C-terminus of the cleavage recognition sequence (EEDKLFKAL). The result is a quickly purified protein product that lacks any amino acid residues derived from the Profinity eXact Tag.
Features and Benefits
- Purification and processing of fusion-tagged proteins in a single-step
- On-column cleavage in as little as 30 min
- No protease addition required
- Precise cleavage at N-terminus to generate native protein sequence
The following convenient packaging configurations allow easy evaluation of Profinity eXact technology:
- Profinity eXact Resin — 10 ml affinity resin supplied in 100 mM sodium phosphate, pH 7.2 containing 0.02% sodium azide
- Profinity eXact Mini Spin Columns — 10-pack of single-use columns that contain 0.1 ml settled resin in addition to all required collection tubes for binding, washing, and elution steps. Fit all benchtop centrifuges
- Profinity eXact Mini Spin Starter Kit — comprehensive 10-pack kit that ensures purification success upon initial trial. Includes 10 prepacked spin columns, collection tubes, lysis reagent, buffers for purification, and lyophilized MBP control protein lysate
- Bio-Scale Mini Profinity eXact Cartridges — 1 ml and 5 ml cartridges that can be used with BioLogic chromatography systems, the Profinia Protein Purification System, a peristaltic pump, or with appropriate column adaptors with any other chromatography system
- Profinity eXact Expression and Purification Starter Kit — includes two kits:
- 1 Profinity eXact Cloning and Expression Starter Kit for the cloning and expression of a target gene using pPAL vectors and competent cells
- 1 Profinity eXact Mini Spin Purification Starter Kit for single-step purification and on-column cleavage of the tagged protein
More Information
- Profinity eXact Resin Product Information Sheet (Bulletin 5655)
- Profinity eXact Fusion-Tag System Brochure (Bulletin 5668)
- Profinity eXact Protein Purification System Manual (Bulletin 10011260)
Related Technologies
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Activated Supports
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Profinity eXact pPAL Supercoiled Expression Vector Kit ( 1563002 )
1708237
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Opti-4CN Substrate Kit ( 1708235 )
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相关资料
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Profinity eXact™ Resin Product Information Sheet, Rev A
Profinity eXact Fusion-Tag System Brochure, Rev A
Profinity eXact™ Cloning and Expression Kits, PIS, Rev B
Purification of Tag-Free Recombinant Proteins Using the Profinity eXact Fusion-Tag System, Rev B
Profinity eXact Fusion-Tag System Performs On-Column Cleavage and Yields Pure Native Protein From Lysate in Less Than an Hour, Rev A
Profinity eXact™ Mini Spin Columns Manual, Rev A
Purification of Functional Heterotrimeric G-Protein a-Subunits Using the Profinity eXact Fusion-Tag System on the Profinia Protein Purification System, Rev A
Profinia Buffers for Profinity eXact Chromatography Product Information Sheet, Rev A
Profinity eXact Protein Purification System Manual, Rev A