Unique protonation states of aspartate and topaquinone in the active site of copper amine oxidase

Author:

Shoji Mitsuo12345ORCID,Murakawa Takeshi6784,Boero Mauro910111213ORCID,Shigeta Yasuteru1234ORCID,Hayashi Hideyuki14784,Okajima Toshihide1478415

Affiliation:

1. Center for Computational Sciences

2. University of Tsukuba

3. Tsukuba

4. Japan

5. JST-PRESTO

6. Department of Biochemistry

7. Osaka Medical College

8. Takatsuki

9. University of Strasbourg

10. Institut de Physique et Chimie des Matériaux de Strasbourg

11. CNRS

12. UMR 7504

13. France

14. Department of Chemistry

15. Institute of Scientific and Industrial Research

Abstract

Copper amine oxidases catalyze the oxidative deamination of biogenic amines. We investigated the unique protonation states in the active site using first-principle calculations.

Funder

Japan Society for the Promotion of Science

Grand Équipement National De Calcul Intensif

Japan Science and Technology Agency

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Reference26 articles.

1. M. J.McPherson , M. R.Parsons and C. M.Wilmot , Handbook of metalloproteins , John Wiley & Sons, Ltd , 2001 , vol. 2 , pp. 1245–1257

2. D. L.Wertz and J. P.Klinman , Handbook of metalloproteins , John Wiley & Sons, Ltd , 2001 , vol. 2 , pp. 1258–1271

3. Crystal structure of a quinoenzyme: copper amine oxidase of Escherichia coli at 2 å resolution

4. Crystal Structures of the Copper-Containing Amine Oxidase from Arthrobacter globiformis in the Holo and Apo Forms:  Implications for the Biogenesis of Topaquinone,

5. Evidence of a self-catalytic mechanism of 2,4,5-trihydroxyphenylalanine quinone biogenesis in yeast copper amine oxidase.

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