Mutant citrobacter freundii phytase polypeptide

US9273295B2 · kind B2 · utility

Assignee

• DUPONT NUTRITION BIOSCIENCES APS · DK

Inventors

• Andrei Miasnikov · Mountain View, US
• Vijay Kumar · Zürich, CH
• Oliver Kensch · Pulheim, DE
• Klaus Pellangahr · Cologne, DE
• Birgitta Leuthner · Darmstadt, DE
• Ulrich Kettling
• Andre Koltermann · Icking, DE

Key dates

• Filing date: Sep 14, 2011
• Grant date: Mar 1, 2016
• Expiry date: Jul 3, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12N9/16
• WIPO field: Biotechnology
• WIPO sector: Chemistry

Abstract

The present invention relates to enzymes and processes. In particular, there is described an isolated polypeptide comprising the amino acid sequence corresponding to Citrobacter freundii phytase or a homologue, a modified form, a functional equivalent or an effective fragment thereof. There is also described a host cell transformed or transfected with a nucleic acid encoding a bacterial phytase enzyme or a modified form as well as the use of such a phytase or modified form in food or animal feed.