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Conformational and molecular responses to pH variation of the purified membrane adenosine triphosphatase of Micrococcus lysodeikticus.
Nieto M, Muñoz E, Carreira J, Andreu JM. Nieto M, et al. Biochim Biophys Acta. 1975 Dec 16;413(3):394-414. doi: 10.1016/0005-2736(75)90123-6. Biochim Biophys Acta. 1975. PMID: 91
A large conformational transition took place in the acid range with midpoints at about pH = 3.6 (I = 10(-4) M), 4.3 (I = 0.03 M) and 5.3 (I = 0.1 M). ...In the alkaline region the midpoint of the transition occurred near pH = 11 (I = 0.028 M). The pK o …
A large conformational transition took place in the acid range with midpoints at about pH = 3.6 (I = 10(-4) M), 4.3 (I = 0.03 M
Activation parameters of the adenosine triphosphatase of Micrococcus lysodeikticus. A comparison of the soluble and membrane-bound forms of the enzyme.
Ayala J, Nieto M, Carreira J, Muñoz E. Ayala J, et al. Among authors: nieto m. Eur J Biochem. 1976 Jun 15;66(1):43-7. doi: 10.1111/j.1432-1033.1976.tb10423.x. Eur J Biochem. 1976. PMID: 133801
Milk fat globule membranes. Inhibition by sucrose of the alkaline phosphomonoesterase.
Diaz-Mauriño T, Nieto M. Diaz-Mauriño T, et al. Among authors: nieto m. Biochim Biophys Acta. 1976 Oct 5;448(2):234-44. doi: 10.1016/0005-2736(76)90239-x. Biochim Biophys Acta. 1976. PMID: 183835
Molecular organization in bacterial cell membranes. IV. Isolation by preparative electrophoresis in sodium dodecylsulphate and properties of the two major polypeptide groups of a "soluble" fraction from Streptomyces albus membranes.
Larraga V, Nieto M, Muñoz E. Larraga V, et al. Among authors: nieto m. Biochim Biophys Acta. 1974 Aug 21;363(1):26-38. doi: 10.1016/0005-2736(74)90004-2. Biochim Biophys Acta. 1974. PMID: 4853248 No abstract available.
Thermal denaturation of Micrococcus lysodeikticus adenosine triphosphatase. Influence of temperature on the circular dichroism, fluroescence and enzymic activity of the protein.
Ayala JA, Nieto M. Ayala JA, et al. Among authors: nieto m. Biochem J. 1978 Feb 1;169(2):371-80. doi: 10.1042/bj1690371. Biochem J. 1978. PMID: 147080 Free PMC article.
The midpoints of the transition were 45 degrees C in 0.25 M-, 38 degrees C in 0.5 M-and 30 degrees C in 0.75 M-denaturant. In the highest concentration of guanidinium chloride a similar unfolding transition induced by cooling was observed. ...
The midpoints of the transition were 45 degrees C in 0.25 M-, 38 degrees C in 0.5 M-and 30 degrees C in 0.75 M-denatura …
Activation parameters and molecular changes induced by substrate hydrolysis of the adenosine triphosphatase of Micrococcus lysodeikticus. A comparison of three different soluble forms of the enzyme.
Ayala J, Carreira J, Nieto M, Muñoz E. Ayala J, et al. Among authors: nieto m. Mol Cell Biochem. 1977 Aug 19;17(1):17-23. doi: 10.1007/BF01732550. Mol Cell Biochem. 1977. PMID: 143600
Optical properties and denaturation by guanidinium chloride and urea of the adenosine triphosphatase of Micrococcus lysodeikticus. A comparison of four molecular forms of the enzyme.
Nieto M, Ayala JA. Nieto M, et al. Biochem J. 1977 Feb 1;161(2):321-31. doi: 10.1042/bj1610321. Biochem J. 1977. PMID: 139887 Free PMC article.
The four preparations undergo two consecutive major unfolding transitions in guanidinium chloride (midpoints at 0.94 and 1.5 M denaturant), with concomitant destruction of the quaternary structure of the protein. ...
The four preparations undergo two consecutive major unfolding transitions in guanidinium chloride (midpoints at 0.94 and 1.5 M denatu …
Micrococcus lysodeikticus membrane ATPase. Effect of trypsin on stimulation of a purified form of the enzyme and idenfification of its natural inhibitor.
Carreira J, Muńoz E, Andreu JM, Nieto M. Carreira J, et al. Among authors: nieto m. Biochim Biophys Acta. 1976 Jun 4;436(1):183-9. doi: 10.1016/0005-2736(76)90229-7. Biochim Biophys Acta. 1976. PMID: 132193
Analysis by sodium dodecyl sulphate-gel electrophoresis showed that stimulation of this form of M. lysodeikticus ATPase was always accompanied by the disappearance of a subunit of mol. wt. 25000 (epsilon subunit). It suggests that this subunit is the natural inhibitor of …
Analysis by sodium dodecyl sulphate-gel electrophoresis showed that stimulation of this form of M. lysodeikticus ATPase was always ac …
Membrane adenosine triphosphatase of Micrococcus lysodeikticus. ISolation of two forms of the enzyme complex and correlation between ezymatic stability, latency and activity.
Carreira J, Andreu JM, Nieto M, Muñoz E. Carreira J, et al. Among authors: nieto m. Mol Cell Biochem. 1976 Feb 16;10(2):67-76. doi: 10.1007/BF01742200. Mol Cell Biochem. 1976. PMID: 130538
These results show that M. lysodeikticus ATPase can be isolated in several forms. Although these variations may be artifacts caused by the purification procedures, they provide model systems for understanding the structural and functional relationships of the enzyme and fo …
These results show that M. lysodeikticus ATPase can be isolated in several forms. Although these variations may be artifacts caused b …
Effects of temperature and pH on the regeneration of the amino groups of ovalbumin after modification with citraconic and dimethylmaleic anhydrides.
Nieto MA, Palacián E. Nieto MA, et al. Biochim Biophys Acta. 1983 Dec 12;749(2):204-10. doi: 10.1016/0167-4838(83)90254-6. Biochim Biophys Acta. 1983. PMID: 6652099
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