barstar protein

barstar protein
A polypeptide inhibitor of barnase.

Glossary of Biotechnology for Food and Agriculture . 2015.

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  • 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… …   Wikipedia

  • barnase — A bacterial ribonuclease, which, when transformed into plants and expressed in the anthers, generates a male sterile phenotype. Thus it is a technology applicable to F1 hybrid seed production, which relies on the ability to genetically sterilize… …   Glossary of Biotechnology

  • Enzyme inhibitor — Enzyme inhibitors are molecules that bind to enzymes and decrease their activity. Since blocking an enzyme s activity can kill a pathogen or correct a metabolic imbalance, many drugs are enzyme inhibitors. They are also used as herbicides and… …   Wikipedia

  • Hydrophobic collapse — is a hypothesized event that occurs during the folding process of globular proteins, suggested on the basis of the observation that proteins native states often contain a hydrophobic core of nonpolar amino acid side chains (interspersed with… …   Wikipedia

  • Inhibidor enzimático — «inhibidor» redirige aquí. Para otras acepciones, véase perturbador. Modelo estructural de la proteasa del virus del SIDA unida a un inhibidor de la proteasa, el ritonavir. La estructura de la proteasa se muestra mediante cintas de color rojo,… …   Wikipedia Español

  • Barnase — is a bacterial protein that consists of 110 amino acids and has ribonuclease activity. It is synthesized and secreted by the bacterium Bacillus amyloliquefaciens, but is lethal to the cell when expressed without its inhibitor barstar. The… …   Wikipedia

  • Bacillus amyloliquefaciens — is a species of bacteria that is the source of the BamH1 restriction enzyme. It also synthesizes a natural antibiotic protein barnase, a widely studied ribonuclease that forms a famously tight complex with its intracellular inhibitor… …   Wikipedia

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