Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Oxidoreductase
Patent
1980-01-21
1980-12-09
Shapiro, Lionel M.
Chemistry: molecular biology and microbiology
Enzyme , proenzyme; compositions thereof; process for...
Oxidoreductase
435191, C12N 902, C12N 906
Patent
active
042385660
ABSTRACT:
A milk xanthine oxidase active enzyme concentrate having an average protein to flavin ratio as measured by E.sub.280nm for protein and E.sub.450nm for flavin of 2.0 to 4.1, one symmetric peak by ion-exchange gel chromatography, and shows a single protein band by polyacrylamide disc gel electrophoresis. The xanthine oxidase is not denatured.
REFERENCES:
Waud et al., Archives of Biochemistry and Biophysics, vol. 169, pp. 695-701 (1975).
Methods in Enzymology, vol. II, 1955, pp. 482-485.
Shapiro Lionel M.
University of Delaware
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