Barstar

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Barstar

The tightly bound complex between barstar and barnase, the ribonuclease barstar inhibits. Barstar is colored by secondary structure and barnase is colored in blue.

Genetic data
Gene code: GenBank accession: CAB42577
Protein Structure/Function
Structure: 1BRS
Related information
Recent publications: Description of barnase-barstar complex
Discussion of barnase-barstar binding affinity

Barstar is a small protein synthesized by the bacterium Bacillus amyloliquefaciens. Its function is to inhibit the ribonuclease activity of its binding partner barnase, with which it forms an extraordinarily tightly bound complex within the cell until barnase is secreted.

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Kym, Whitney & Walter.