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CATION-INDUCED REGULATORY MECHANISM OF GTPASE ACTIVITY DEPENDENT ON POLYPEPTIDE INITIATION FACTOR-2
被引:14
作者
:
BEAUDRY, P
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,F-75005 PARIS,FRANCE
BEAUDRY, P
SANDER, G
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,F-75005 PARIS,FRANCE
SANDER, G
GRUNBERGMANAGO, M
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,F-75005 PARIS,FRANCE
GRUNBERGMANAGO, M
DOUZOU, P
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,F-75005 PARIS,FRANCE
DOUZOU, P
机构
:
[1]
INST BIOL PHYS CHIM,13 RUE P & M CURIE,F-75005 PARIS,FRANCE
[2]
ECOLE POLYTECH,BIOCHIM LAB,F-91128,PALAISEAU,FRANCE
来源
:
BIOCHEMISTRY
|
1979年
/ 18卷
/ 01期
关键词
:
D O I
:
10.1021/bi00568a031
中图分类号
:
Q5 [生物化学];
Q7 [分子生物学];
学科分类号
:
071010 ;
081704 ;
摘要
:
Initiation factor IF-2 ribosome dependent GTP hydrolysis (uncoupled GTPase) presents a bell-shaped pH profile which is shifted by changes in ionic strength. At low-ionic strength (I = 25 mM) the maximal hydrolytic activity occurs at pH 7.5; when the ionic strength is increased the pH optimum of the reaction is shifted toward more acidic values. Such behavior can be satisfactorily explained as the effect of an electrostatic potential developed by a neighboring polyanion, presumably RNA, on the catalytic site. The addition of fMet-tRNAfMet or AcPhe-tRNAPhe and messenger RNA (coupled GTPase) changes the ionic strength-pH characteristics of the reaction. Thus there is an effect, direct or indirect, of components located at the ribosomal P site. Investigation of the effect of neighboring polyanions on the catalytic activity of the factor-dependent ribosomal GTPases can be seen to provide information about their functional significance that is complementary to that gained from direct structural studies. © 1979, American Chemical Society. All rights reserved.
引用
收藏
页码:202 / 207
页数:6
相关论文
共 36 条
[31]
COMPARATIVE STUDY OF 50S RIBOSOMAL-SUBUNIT AND SEVERAL 50S SUBPARTICLES IN EF-T-DEPENDENT AND EF-G-DEPENDENT ACTIVITIES
SANDER, G
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
SANDER, G
MARSH, RC
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
MARSH, RC
VOIGT, J
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
VOIGT, J
PARMEGGIANI, A
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
PARMEGGIANI, A
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BIOCHEMISTRY,
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SANDER G, 1978, RIBOSOMES NUCLEIC AC, V3
[33]
RAPID, SENSITIVE, AND SPECIFIC METHOD FOR DETERMINATION OF PROTEIN IN DILUTE-SOLUTION
SCHAFFNE.W
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
SCHAFFNE.W
WEISSMAN.C
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
WEISSMAN.C
[J].
ANALYTICAL BIOCHEMISTRY,
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514
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Stoffler G., 1977, MOL MECHANISMS PROTE, P117
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EFFECT OF NH+4 AND K+ ON ACTIVITY OF RIBOSOMAL-SUBUNITS IN EF-G-DEPENDENT GTP HYDROLYSIS
VOIGT, J
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
VOIGT, J
SANDER, G
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
SANDER, G
NAGEL, K
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
NAGEL, K
PARMEGGIANI, A
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
PARMEGGIANI, A
[J].
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,
1974,
57
(04)
: 1279
-
1286
[36]
KINETICS OF REVERSIBLE ASSOCIATION OF RIBOSOMAL-SUBUNITS - STOPPED-FLOW STUDIES OF RATE LAW AND OF EFFECT OF MG2+
WISHNIA, A
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
WISHNIA, A
BOUSSERT, A
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
BOUSSERT, A
GRAFFE, M
论文数:
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引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
GRAFFE, M
DESSEN, P
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
DESSEN, P
GRUNBERGMANAGO, M
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
GRUNBERGMANAGO, M
[J].
JOURNAL OF MOLECULAR BIOLOGY,
1975,
93
(04)
: 499
-
515
←
1
2
3
4
→
共 36 条
[31]
COMPARATIVE STUDY OF 50S RIBOSOMAL-SUBUNIT AND SEVERAL 50S SUBPARTICLES IN EF-T-DEPENDENT AND EF-G-DEPENDENT ACTIVITIES
SANDER, G
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
SANDER, G
MARSH, RC
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
MARSH, RC
VOIGT, J
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
VOIGT, J
PARMEGGIANI, A
论文数:
0
引用数:
0
h-index:
0
机构:
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
GESELLSCHAFT MOLELUKARBIOL FORSCH, ABT BIOCHEM, 3301 BRAUNSCHWEIG, FED REP GER
PARMEGGIANI, A
[J].
BIOCHEMISTRY,
1975,
14
(09)
: 1805
-
1814
[32]
SANDER G, 1978, RIBOSOMES NUCLEIC AC, V3
[33]
RAPID, SENSITIVE, AND SPECIFIC METHOD FOR DETERMINATION OF PROTEIN IN DILUTE-SOLUTION
SCHAFFNE.W
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
SCHAFFNE.W
WEISSMAN.C
论文数:
0
引用数:
0
h-index:
0
机构:
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
UNIV ZURICH,INST MOLEK BIOL,ZURICH,SWITZERLAND
WEISSMAN.C
[J].
ANALYTICAL BIOCHEMISTRY,
1973,
56
(02)
: 502
-
514
[34]
Stoffler G., 1977, MOL MECHANISMS PROTE, P117
[35]
EFFECT OF NH+4 AND K+ ON ACTIVITY OF RIBOSOMAL-SUBUNITS IN EF-G-DEPENDENT GTP HYDROLYSIS
VOIGT, J
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
VOIGT, J
SANDER, G
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
SANDER, G
NAGEL, K
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
NAGEL, K
PARMEGGIANI, A
论文数:
0
引用数:
0
h-index:
0
机构:
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
GESELL MOLEK BIOL FORSCH, 3301 STOCKHEIM, WEST GERMANY
PARMEGGIANI, A
[J].
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS,
1974,
57
(04)
: 1279
-
1286
[36]
KINETICS OF REVERSIBLE ASSOCIATION OF RIBOSOMAL-SUBUNITS - STOPPED-FLOW STUDIES OF RATE LAW AND OF EFFECT OF MG2+
WISHNIA, A
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
WISHNIA, A
BOUSSERT, A
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
BOUSSERT, A
GRAFFE, M
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
GRAFFE, M
DESSEN, P
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
DESSEN, P
GRUNBERGMANAGO, M
论文数:
0
引用数:
0
h-index:
0
机构:
INST BIOL PHYS CHIM,13 RUE P & M CURIE,75005 PARIS,FRANCE
GRUNBERGMANAGO, M
[J].
JOURNAL OF MOLECULAR BIOLOGY,
1975,
93
(04)
: 499
-
515
←
1
2
3
4
→