Other

Satoshi Kuroyanagi

Keiichi Yano

Hideharu Anazawa

Seiji Sugimoto

Tadashi Nagashima

Yoko Kato

Tadanori Yamamura

Provided is an isolated phytase derived from a microorganism. The microorganism is preferably from the genus Monascus. The phytase has a Michaelis constant of 10 to 110 &mgr;M when phytic acid is used as a substrate. A process for producing the phytase is also provided as is an animal feed comprising the phytase. The phytase is preferably isolated from IFO 30873. The phytase has a Km of 107 &mgr;m when phytic acid is used as a substrate, the optimum pH is 2.5, the optimum temperature is 45&deg; C., the molecular weight of the phytase is 140 kDa when measured by gel filtration, and the isolectric point is 5.2 using chromatofocusing.

Phytase having a low Michaelis constant for phytic acid from monascus

The phytase is preferably isolated from IFO 30873. The phytase has a Km of 20 &mgr;m when phytic acid is used as a substrate, the optimum pH is 6.0, the optimum temperature is 50&deg; C., the molecular weight of the phytase is 120 kDa when measured by gel filtration, and the isolectric point is 4.8 using chromatofocusing.

Phytase having a low michaelis constant for phytic acid from monascus

Provided is an isolated phytase derived from a microorganism. The microorganism is preferably from the genus Monascus. The phytase has a Michaelis constant of 10 to 110 &mgr;M when phytic acid is used as a substrate. A process for producing the phytase also is provided, as is an animal feed comprising the phytase.

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Aichi, Japan

Satoshi Kuroyanagi