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Master's Dissertation
DOI
https://doi.org/10.11606/D.76.2000.tde-14032014-112134
Document
Author
Full name
Frederico Moraes Ferreira
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2000
Supervisor
Committee
Oliva, Glaucius (President)
Azevedo Junior, Walter Filgueira de
Polikarpov, Igor
Title in Portuguese
Cristalização e análise cristalográfica preliminar da N-acetilglicosamina 6-fosfato desacetilase de Escherichia coli
Keywords in Portuguese
Cristalização
Cristalografia de proteínas
Desacetilase
Difração de raios X
N-acetilglicosamina
nagA
Abstract in Portuguese
A N-acetilglicosamina 6-fosfato desacetilase (EC 3.5.1.25), uma enzima envolvida na via catabólica de açucares aminados da Escherichia coli, foi cristalizada pela técnica de difusão de vapor utilizando-se fosfato como agente precipitante. Experimentos de difração de raios-X mostraram que os cristais pertencem ao sistema cristalino ortorrômbico com grupo espacial P21212. Os parâmetros de cela são a=82,09(2) Å, b=114,50(1) Å e c=80,17(1) Å. Os cristais difrataram a uma resolução máxima de 1,8 Å e um conjunto de dados foi coletado até 2.0 Å. O conteúdo da unidade assimétrica provavelmente é um dímero, produzindo um coeficiente de Matthews de 2,30 Å3 Da-1
Title in English
Crystallization and preliminary crystallographic analysis of the N-aceylglucosamine 6-phosphate deacetylase from Escherichia coli
Keywords in English
Crystallization
Deacetylase
N-acetylglucosamine
nagA
Protein crystallography
X-ray diffraction
Abstract in English
N-acetylglucosamine 6-phosphate deacetylase (EC 3.5.1.25), an enzyme involved in amino sugar catabolismo from Escherichia coli has been crystallized by the vapor diffusion technique using phosphate as precipitant. X-ray diffraction experiments show the crystals to belong to the orthorhombic crystals system with space group P21212. The unit cell parameters are a=82,09(2) Å, b=114,50(1) Å e c=80,17(1) Å. The crystals diffract to a maximum resolution of 1.8 Å and a initial dataset was collected to 2.0 Å. The asymmetric unit content is likely to be a dimer, yielding a Matthews coefficient of 2.30 Å3 Da-1
 
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Publishing Date
2014-03-18
 
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