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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D550-2

In this computer-generated image, the red beads highlight the important “active site” of the phytase molecule. The active site allows the enzymes to release phosphorus from the phytate in the feed and make it available to the animal. Changes to this site or neighboring region can drastically change how well phytase performs in an animal’s digestive tract.

Photo by Jaffor Ullah.



640 pixels wide: (d550-2.jpg)




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Last Modified: 6/27/2006
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