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.
Patent No.:
Date of Patent:
Mar. 21, 1978
Filed:
Oct. 06, 1976
Applicant:
Inventors:
Takehiko Shibata, Wako, JA;
Tadahiko Ando, Tokyo, JA;
Assignee:
Rikagaku Kenkyusho, , JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12D / ; C12D / ;
U.S. Cl.
CPC ...
195 62 ; 195 65 ; 195 / ; 195 / ;
Abstract
The present invention relates to new enzymes which decompose nucleic acid and are endowed with a substrate specificity recognizing specific biological desoxyribonucleic acid and cleaving specific bonds thereof to produce fragments of desoxyribonucleic acid of specific sizes and which are obtained by culturing microorganisms belonging to genus Bucillus and purifying the cell free extract thereof by such treatment as streptomycin treatment, ammonium sulfate precipitation, ion exchange chromatography, gel filtration or combination of these processes.