Targeted purification of SnAvi-tagged proteins

Area of Science:

• Molecular Biology
• Biochemistry
• Proteomics

Background:

• Tandem affinity purification (TAP) is crucial for identifying protein complex members.
• TAP-tags enable sequential enrichment steps, minimizing contaminants.
• A need exists for versatile TAP tags applicable across different expression systems.

Purpose of the Study:

• To describe the application and utility of the SnAvi-tag, a novel TAP tag.
• To highlight the SnAvi-tag's modular composition and multifunctional capabilities.
• To demonstrate its use in various expression systems for protein complex analysis.

Main Methods:

• Application of the SnAvi-tag in different expression systems.
• Utilizing the modular composition for sequential protein enrichment.
• Employing the tag for in vivo visualization of tagged proteins.

Main Results:

• The SnAvi-tag effectively reduces contaminants during protein complex purification.
• The tag facilitates in vivo visualization of tagged proteins.
• Demonstrated cell type-specific activation of tagged proteins is possible.

Conclusions:

• The SnAvi-tag is a powerful and multifunctional tool for protein complex identification.
• Its modular design offers advantages in reducing contaminants and enabling advanced applications.
• The SnAvi-tag is suitable for diverse research settings, including visualization and activation studies.