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ARS Home » Southeast Area » New Orleans, Louisiana » Southern Regional Research Center » Commodity Utilization Research » Research » Publications at this Location » Publication #160243


item Mullaney, Edward

Submitted to: Meeting Abstract
Publication Type: Abstract Only
Publication Acceptance Date: 5/9/2004
Publication Date: 5/9/2004
Citation: Mullaney, E.J. 2004. Enzymes with phytase activity(abstract). American Oil Chemists Society. p.118

Interpretive Summary:

Technical Abstract: Phytase can be defined as an enzyme that hydrolyzes phosphomonoester bonds from phytic acid liberating inorganic orthophosphates. A number of different classes of enzymes have now been identified that have this property. It is important to understand that these different classes of enzymes are structurally different and do not cleave phosphate groups from phytate with the same catalytic mechanism. Because of these structural differences, the research findings on any one phytase are not directly applicable to all other phytases. Today, three structurally different classes of phytases have been discerned. These three classes include representatives of Histidine Acid phosphatases, Beta Propeller phytases and Purple Acid Phosphatases. Examples of each of these classes will be presented along with their unique characteristics.