The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 10, 2006

Filed:

Jun. 14, 2002
Applicants:

Tatsuo Hoshino, Kamakura, JP;

Keiko Ichikawa, Fujisawa, JP;

Masaaki Tazoe, Yokohama, JP;

Inventors:

Tatsuo Hoshino, Kamakura, JP;

Keiko Ichikawa, Fujisawa, JP;

Masaaki Tazoe, Yokohama, JP;

Assignee:

DSM IP Assets B.V., Heerlen, NL;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 9/12 (2006.01); C12N 9/00 (2006.01); C12P 17/00 (2006.01); C12P 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A purified vitamin B-phosphate phosphatase (VB6PP), having the following physico-chemical properties: a) Molecular weight: 29,000±5,000 (consisting of a monomer having a molecular weight of 29,000±5,000); b) Co-factor: Mn, Mg, Co, Sn, or Ni; c) Substrate specificity: active on pyridoxol 5'-phosphate, pyridoxal 5′-phosphate and pyridoxamine 5′-phosphate; d) Optimum temperature: 30–400° C. at pH 7.5; and e) Optimum pH: 7.0–8.0 is disclosed. Also disclosed are a process for producing VB6PP from a microorganism belonging to the genuscapable of producing VB6PP, a process for producing vitamin Bfrom vitamin B-phosphate (VB6P) utilizing VB6PP, and a cell-free extract of a microorganism belonging to the genuscapable of producing VB6PP.


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