A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure.

A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Research Abstract Details 

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A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Abstract Text:

A Ishihama,T Ikeuchi,A Matsumoto,S Yamamoto,

An adenosinetriphosphatase (ATPase) [EC 3.6.1.3] copurified with the DNA-dependent RNA polymerase [EC 2.7.7.6] from Escherichia coli was isolated to apparent homogeneity and some of its functional as well as structural properties were examined. Although the novel ATPase exhibited metal requirements similar to those of Mg2+, Ca2+-ATPase, its response to NaN3 and antisera appeared completely different from that of the Mg2+, Ca2+-ATPase. The purified ATPase was found to be a large protein with a molecular weight of 9.3X10(5) daltons, composed of identical subunits of 7X10(4) daltons. When viewed under an electron microscope, the ATPase appeared to be very similar to material previously misidentified as the RNA polymerase. The physiological role of the novel ATPase, however, remains unclear.

A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Publishing Authors By Initials

A Ishihama,T Ikeuchi,A Matsumoto,S Yamamoto,

For similar inorganic chemicals: elements: metals, alkali: sodium research abstracts see: inorganic chemicals: elements: metals, alkali: sodium research

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A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of biochemistry

VOLUME: 79

Page Numbers: 927-37

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: May

YEAR: 1976

A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Information

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LANGUAGE: eng

NlmUniqueID: 376600

A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Keywords Mesh Terms:

KEYWORDS: Sodium

MESH TERMS: pharmacology

Chemical & Substance for Abstract: A novel adenosine triphosphatase isolated from RNA polymerase preparations of Escherichia coli. II. Enzymatic properties and molecular structure. Information

Substance Name: Adenosine Triphosphatases

Registry Number: EC 3.6.1.-

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Country: JAPAN

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MEDLINETA: J Biochem

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