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Reduced ascorbate oxidase (1aso) from Cucurbita pepo var. pepo (zucchini)

• What structural elements are present in each molecule?
• What is the subunit composition?
• What is the coordination geometry about the metal ion?
• Which are the type 1, 2, and 3 copper centers?

Messerschmidt, A., H. Luecke, and R. Huber. 1993. X-ray structures and mechanistic implications of three functional derivatives of ascorbate oxidase from zucchini. Reduced, peroxide and azide forms. J. Mol. Biol. 230:997-1014.

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